Follow the links to obtain an electronic copy of the slides or text
* denotes invited presentation
Upcoming Presentations
D.J. Gauthier, R. Zhang, and H. Calvalcante, *`Boolean Delay Systems,' Workshop on Delayed Complex Systems, Max-Planck Institute for the Physics of Complex Systems, Dresden, Germany, Oct. 5-9, 2009.
D.J. Gauthier, *College of Charleston Physics Department Colloquium, Charleston, SC, April 2, 2009.
D.J. Gauthier, *`Slow Light and Stopped Light using SBS in Fiber, `European Conference on Optical Communication, ECOC 2008, Brussels, Belguim, Sep. 21 - 25, 2008.
D.J. Gauthier, *`Slow and stopped light in optical waveguides,' Keynote Lecture, PHOTON 08, Edinburg, UK, Aug. 26-29, 2008.
D.J. Gauthier, R. Zhang, and H. Calvalcante, *`Chaos in simple high-speed logic-based devices,' 25 Years of Nonlinear Dynamics at ONR (a celebration of Mike Shlesinger's 60th Birthday), Amelia Island, FL, Jul. 21, 2008.
2008
D.J. Gauthier, *`Three lectures on the Physics and Application of Slow Light,' Masters in Photonics Program (Photonics BCN), Barcelona, Spain, Jun. 25-27, 2008.
Z. Zhu, D.J. Gauthier, and R.W. Boyd, `Stored Light in Optical Fibers via Stimulated Brillouin Scattering,' Quantum Electronics and Laser Science 2008, San Jose, CA, May 5, 2008.
A.M.C. Dawes and D.J. Gauthier, `Transverse Patterns for All-Optical Switching,' Quantum Electronics and Laser Science 2008, San Jose, CA, May 5, 2008.
D.J. Gauthier, H. Calvalcante, and R. Zhang, *`Boolean delay devices,' U. Maryland, MURI Seminar, U. Maryland, College Park, MD, Apr. 17, 2008.
D.J. Gauthier, C.M. Berger, X. Zhao, H. Dobrovolny, D.G. Schaeffer, and W. Krassowska, *`Evidence for an unfolded border-collision bifurcation in paced cardiac muscle,' Nonlinear Dynamics Seminar, U. Maryland, College Park, MD, Apr. 17, 2008.
C.M. Berger, X. Zhao, D.G. Schaeffer, S. Idriss, D.J. Gauthier, `Understanding a Period-Doubling Bifurcation in Cardiac Cells', American Physical Society March Meeting, New Orleans, LA, March 6, 2008.
D.J. Gauthier, *`Observation of Stopped Light in an Optical Fiber via Stimulated Brillouin Scattering," 38th Winter Colloquium on the Physics of Quantum Electronics, PQE-2008, Snowbird, UT, Jan. 7, 2008.
Z. Gao and D.J. Gauthier, `Parameter-space study of an ultra-high frequency chaotic circuit with delayed feedback,' Dynamics Days 2008, Knoxville, TN, Jan. 3-6, 2008.
2007
D.J. Gauthier, *`Slow Light, Fast Light, Backward Light: What does it all mean?,' Physics Department Colloquium, Bates College, Lewiston, ME, Nov. 30, 2007.
X. Zhao, D.G. Schaffer, W. Krassowska, and D.J. Gauthier, 'A model-independent technique for eigenvalue identification and its application in predicting cardiac alternans,' 2007 ASME International Mechanical Engineering Congress and Exhibition, Seattle, WA, Nov. 10-16, 2007.
D.J. Gauthier, *`Observation of Stopped Light in an Optical Fiber,' 2007 Fitzpatrick Institute of Photonics Annual Meeting, Oct. 11, 2007.
D.J. Gauthier, *`Slow Light, Fast Light, Backward Light: What does it all mean?,' Physics Department Colloquium, Wake Forest University, Winston-Salem, NC, Sep. 27, 2007.
X. Zhao, D.G. Schaeffer, C.M. Berger, D.J. Gauthier, and W. Krassowska, `Cardiac Alternans Arising from an Unfolded Border-collision bifurcation', ASME International Design Engineering Technical Conferences & Computers Information in Engineering Conference, Las Vegas, Nevada, September 4-7, 2007.
C.M. Berger, X. Zhao, D.G. Schaeffer, N. Rouse, S. Idriss, D. Hall, and D.J. Gauthier, *`Understanding an Unfolded Border-Collision Bifurcation in Paced Cardiac Tissue,' AAPT, Greensboro, NC, July 28-31, 2007.
D.J. Gauthier, *`Progress on stopped light and large-delay slow light in optical fibers,' OSA , Topical meeting on Slow and Fast Light, Salt Lake City, UT, July 8-11, 2007.
J.A. Greenberg, M. Oria, and D.J. Gauthier. `Anisotropic MOT for Nonlinear Optical Studies', Atomic Physics Gordon Research Conference, Tilton School, NH, July 1-6, 2007.
D.J. Gauthier, *`Tutorial: Slow-light in
room-temperature optical
waveguides,' International Quantum Electronics Conference (IQEC)
2007,
Munich, Germany, June 17-22, 2007.
A. M. C. Dawes and D. J. Gauthier, `Using
Transverse Patterns for All-Optical Switching,' Ninth Rochester
Conference on Coherence & Quantum Optics (CQO9), Rochester, NY,
June 10-13, 2007.
K. Callan, L. Illing, D.J. Gauthier, 'High Speed Chaos Generated in an Optoelectronic Oscillator', Gordon Research Conference: Nonlinear Science, Waterville, ME, June 24-29, 2007.
D.J. Gauthier, K. Callan and L. Illing, *'Broadband chaos in time-delay photonic and electroic devices: Potential implications for sensor networks,' Nonlinear Dynamics Seminar, University of Maryland, College Park, MD, May 23, 2007.
Z. Shi, R.W. Boyd, D.J. Gauthier and C. C. Dudley, `Enhancing the
Spectral Sensitivity and Resolution of Interferometers Using Slow-Light
Media, Conference on Lasers and Electro-Optics (CLEO), Baltimore, MD,
May 8, 2007.
B. Zhang, I. Fazal, L.-S. Yan, L. Zhang, A.E. Willner, Z. Zhu, and
D.J. Gauthier, `System performance of DPSK
signals transmitted through broadband SBS-based slow light element and
reduction of slow-light-induced data-pattern dependence,' Optical
Fiber Conference 2007, Aneheim, CA, March 28, 2007.
C. Berger, D. Schaeffer, S. Idriss, N. Rouze, D. Hall, D. Gauthier,
`Exploring the
Role of Calcium in Cardiac Cell Dynamics,' Gordon Conference: Cardiac
Arrhythmia Mechanisms, Ventura, CA, March 18, 2007.
C. Berger, S. Idriss, N. Rouze, D. Hall, D. Gauthier, `Exploring the
Role of Calcium in Cardiac Cell Dynamics,' American Physical Society
March Meeting, Denver, CO, March 6, 2007.
C.M. Berger, X. Zhao, D.G. Schaeffer, H. Dobrovolny, W. Krassowska,
D.J. Gauthier, `Evidence for an unfolded border-collision bifurcation
in paced cardiac tissue,' Dynamics Days 2007, Boston, MA, Jan. 2-6,
2007.
J. Cain, C. Berger and D. Gauthier, `Controlling Electrical Alternans in Paced Myocardium Using Extended Time-Delay Autosynchronization,' Dynamics Days 2007, Boston, MA, Jan. 2-6, 2007.
W. Krassowska, S.S. Kalb, D.J. Gauthier, D.G. Schaeffer, *`The Restitution Portrait: A Tool for Developing Models of Heart Rhythm Dynamics,' Dynamics Days 2007, Boston, MA, Jan. 2-6, 2007.
2006
D.J. Gauthier, Zhaoming Zhu, A.M.C. Dawes, L. Zhang, A.E. Willner,
`Optimizing Broadband SBS Slow Light in an Optical Fiber,' Laser
Science XXII, Rochester, NY, Oct. 9, 2006.
Z. Shi, R.W. Boyd, D.J. Gauthier, `Spectroscopic Interferometry Using Slow Light Media,' Optical Society of America Annual Meeting, Rochester, NY, Oct. 11, 2006.
J. Greenberg, A.M.C. Dawes, D.J. Gauthier, 'Theoretical Optimization of a DAVLL system for a Rubidium Vapor', Fitzpatrick Institute of Photonics Annual Meeting, Duke University, Sep. 28-29, 2006.
K. Callan, L. Illing, D.J. Gauthier, 'High Speed Chaos Generated in an Optoelectronic Oscillator', Fitzpatrick Institute of Photonics Annual Meeting, Duke University, Sep. 28-29, 2006.
D.G. Schaeffer, `Alternans in cardiac tissue: a period-doubling bifurcation of border-collision type,' International School on Piecewise-smooth Dynamical Systems, Naples, Italy, Sep. 18-20, 2006.
D.J. Gauthier, A.M.C. Dawes, L. Illing, and S. Clark, *`Ultra-low-light-level all-optical switching,' Physics Department Colloquium, Ohio University, Athens, OH, Sep. 15, 2006.
X. Zhao, D.G. Schaeffer, C.M. Berger, D.J. Gauthier and W. Krassowska, `Border-Collision Bifurcations in a Model of Cardiac Restitution,' Eleventh Conference on Nonlinear Vibrations, Stability, and Dynamics of Structures, Blacksburg, VA, Aug. 13-17, 2006.
Z. Shi, R.W. Boyd, Z. Zhu, D.J. Gauthier, R. Pant, M.D. Stenner, and
M.A. Neifeld,
`Distortion-reduced pulse-train propagation with large delay in a
triple gain medium,'
OSA Topical Meeting on Slow and Fast Light, OSA Headquarters,
Washington, DC, July 23-26, 2006.
Z. Zhu, A.M.C. Dawes, D.J. Gauthier, M.D. Stenner, M.A. Neifeld, T.
Luo, C. Yu, L. Zhang, and A.E. Willner, *`Recent Advances in Stimulated
Brillouin Scattering Slow Light,' OSA Topical Meeting on Slow and Fast
Light,
OSA Headquarters, Washington, DC, July 23-26, 2006.
Z. Zhu, A.M.C. Dawes, and D.J. Gauthier, *`Slow light via stimulated
Brillouin scattering in optical fibers,' IEEE/LEOS Summer Meeting,
Qebec City, Canada, July 17-19, 2006.
D.J. Gauthier, C.M. Berger, X. Zhao, D.G. Schaeffer, H. Dobrovolny,
and W. Krassowska, *`Discovery of a new type of bifurcation in paced
cardiac muscle,' Third Wrokshop Promotionskolleg, Helmholtz Center for
Brain and Mind Dynamics, Liebenwalde, Germany, July 14, 2006.
X. Zhao, D.G. Schaeffer, C.M. Berger, D.J. Gauthier and W.
Krassowska, 'Evidence of an unfolded border-collision bifurcation in
paced cardiac tissue.'
KITP Miniprogram on Cardiac Dynamics, Kavli Institute for Theoretical
Physics, Santa Barbara, CA, Jul. 13, 2006.
D. Gauthier, Z. Zhu, and A.M.C. Dawes, *`Slow-Light in Optical Fibers: From Fundamentals to Applications,' Physics Department Colloquium, University of Ottawa, Ottawa, Canada, June 20, 2006.
A.M.C. Dawes, L. Illing, J. Greenberg, S. Clark, and D. Gauthier, *`Recent progress in low-light switching via optical patterns,' Conference on coherent control of the fundamental processes in optics and X-ray-optics (CCFP'2006), Nizhny Novgorod - Kazan, Russia, June 29 - July 3, 2006.
Z. Zhu and D.J. Gauthier, `XPM-induced Pulse Delay and Advancement in Optical Fiber, 'Conference on Lasers and Electro-Optics and Quantum Electronics and Laser Science Conference (CLEO/QELS), Long Beach, CA, May 21-26, 2006.
A. M. C. Dawes, Z. Zhu, and D.J. Gauthier, `Improving the Bandwidth of SBS-Based Slow-Light Delay,' Conference on Lasers and Electro-Optics and Quantum Electronics and Laser Science Conference (CLEO/QELS), Long Beach, CA, May 21-26, 2006.
X. Zhao, D.G. Schaeffer, C.M. Berger, D.J. Gauthier, W. Krassowska, `Differentiation between Smooth and Nonsmooth Period-Doubling Bifurcations in Cardiac Tissue,' the 6th Symposium of Understanding Complex Systems, Urbana, Illinois, May 15-18, 2006.
X. Zhao, `Bifurcation Identification of Cardiac Alternans,' Seminar, Department of Manufacturing and Mechanical Engineering, Miami University, Oxford, OH, April, 2006.
Z. Zhu, A.M.C. Dawes, D.J. Gauthier, L. Zhang, and A.E. Willner, `12-GHz-Bandwidth SBS Slow Light in Optical Fibers,' postdeadline paper, OFC/NFOEC 2006, Anaheim, CA, Mar. 5-10, 2006.
D.J. Gauthier, *``Toward Single-Photon Switching for Quantum Information Networks,' Physics Department Colloquium, Oklahoma State University, Stillwater, OK, Feb. 2, 2006.
Z. Zhu, A.M.C. Dawes, and D.J. Gauthier, M.D. Stenner and M.A. Neifeld, * `Improving the bandwidth of slow-light delay lines,' Photonics West, San Jose, CA, Jan. 21-26, 2006.
X. Zhao, 'Bifurcation Analysis of Cardiac Dynamics,' Department of Mechanical Engineering, University of Maryland, College Park, MD, January, 2006.
D.J. Gauthier, A.M.C. Dawes, L. Illing, S.M. Clark, * `Using dissipative spatial structures to achieve ultra-low-light-level optical switching ,' Dynamics Days 2006, Bethesda, MD, Jan. 4-7, 2006.
X. Zhao, D.G. Schaeffer, C.M. Berger, D.J. Gauthier, and W. Krassowska, `Theoretical analysis of smooth and nonsmooth period-doubling bifurcations in cardiac tissue,' Dynamics Days 2006, Bethesda, MD, Jan. 4-7, 2006.
A.M. Pitruzzello, S.F. Idriss, D.J. Gauthier, W. Krassowska, `The Restitution Portrait Reveals Hidden Heterogeneity in Cardiac Rhythm Dynamics,' Dynamics Days 2006, Bethesda, MD, Jan. 4-7, 2006.
C.M. Berger, H.M. Dobrovolny, X. Zhao, D.G. Schaeffer, W. Krassowska and D.J. Gauthier, `Investigating a Period-Doubling Bifurcation in Cardiac Tissue Using Alternate Pacing,' Dynamics Days 2006, Bethesda, MD, Jan. 4-7, 2006.
2005
D.J. Gauthier, *``Toward Single-Photon Switching for Quantum Information Networks,' Physics Department Colloquium, North Carolina A&T University, Greensboro, NC, Nov. 28, 2005.
A.M. Pitruzzello, W. Krassowska, A.J. Lam, S.F. Idriss, `A multichannel fiber-optic mapping system for intramural recording of cardiac action potentials,' European Biomedical Engineering Conference, Prague, November 20-25, 2005. [IFBME Proeceedings, 11: 1973 (2005)]
N.H. Brown, P.D. Wolf, D.J. Gauthier, W. Krassowska. `Design of a Fiber-Optic Ratiometric System for Recording Cardiac Action Potentials,' Thirteenth Annual NHLBI Cardiovascular Diversity Research Supplement Awardee Session in conjunction with the American Heart Association's Annual Scientific Sessions, Dallas, TX, Nov. 12, 2005.
C.M. Berger, H. Dobrovolny, D.G. Schaeffer, W. Krassowska, D.J. Gauthier, 'Evidence for a border-collision bifurcation in paced cardiac tissue,' Southeastern Section of the APS, Gainesville, FL, November 10-12, 2005.
H. Jeong, A.M. Dawes, D.J. Gauthier, `Observation of the Sommerfeld Precursor,' Frontiers in Optics 2005/Laser Science XXI, Tucson, AZ, Oct. 18, 2005.
D.J. Gauthier, * `Optical Visualization of Nonlinear Pattern Dynamics in Biological Systems,' Frontiers in Optics 2005/Laser Science XXI, Tucson, AZ, Oct. 18, 2005.
D.J. Gauthier, A.M.C. Dawes, L. Illing, S.M. Clark, * `Toward single-photon switching for quantum information networks,' Eastern Carolina University, Physics Department Colloquium, Sep. 23, 2005.
A.L. Gaeta, Y. Okawachi, S. Ghosh, and J.E. Sharping, M.S. Bigelow, A. Schweinsberg, R.W. Boyd, Z.Zhu and D.J. Gauthier, * `Optically tunable “slow” light in waveguides,' Nonlinear Guided Waves and Their Applications (NLGW), Dresden, Germany, Sep. 6-9, 2005.
D.J. Gauthier, A.M.C. Dawes, L. Illing, S.M. Clark, * `Using dissipative spatial structures to achieve ultra-low-light-level optical switching ,' University of Maryland AMO Seminar, College Park, MD, Sep. 6, 2005.
L. Illing, J. N. Blakely, and D. Gauthier, * `Time delay systems with band-limited feedback,' Fifth EUROMECH Nonlinear Dynamics Conference (ENOC - 2005), Eindhoven, Netherlands, Aug. 7 - 12, 2005.
D.J. Gauthier, S.M. Clark, A.M. Dawes, and L. Illing, * `Using dissipative spatial structures to achieve ultra-low-light-level optical switching,' XXV Dynamics Days Europe, Berlin, Germany, Jul. 25 - 28, 2005.
D.J. Gauthier, W. Krassowska, and D.G. Schaeffer, *`Characterizing and controlling cardiac dynamics,' International Seminar and Workshop on Nonlinear Dynamics in Biophysics, Max-Planck-Institute for the Physics of Complex Systems, Dresden, Germany, Jun. 27- Jul. 1, 2005.
Y. Okawachi, J.E. Sharping, and A.L. Gaeta, M.S. Bigelow, A. Schweinsberg, and R.W. Boyd, Z. Zhu and D.J. Gauthier, `Tunable all-optical delays via Brillouin slow light in an optical fiber,' Conference on Lasers and Electro-Optics and Quantum Electronics and Laser Science Conference (CLEO/QELS), Baltimore, MD, May 22-27, 2005.
R.W. Boyd, D.J. Gauthier, A.L. Gaeta, and A.E Wilner, `Limits on the Time Delay Induced by Slow-Light Propagation,' Quantum Electronics and Laser Science Conference, Baltimore, MD, May 24, 2005.
Z. Zhu, D.J. Gauthier, Y. Okawachi, A.L. Gaeta, A. Schweinsberg, and R.W. Boyd, `Numerical study of slow light via stimulated Brillouin scattering in optical fiber,' Conference on Lasers and Electro-Optics and Quantum Electronics and Laser Science Conference (CLEO/QELS), Baltimore, MD, May 22-27, 2005.
H. Jeong, A.M. Dawes, and D.J. Gauthier, `Direct Observation of Optical Precursors in a Region of Anomalous Dispersion,' Quantum Electronics and Laser Science Conference, Baltimore, MD, May 24, 2005.
L. Illing, D. Gauthier, * `Hopf Bifurcations in Time-Delay Systems with Band-Limited Feedback,' SIAM Conference on Applications of Dynamical Systems, Snowbird, UT, May 22-26, 2005.
A.M. Pitruzzello, S.S. Kalb, D.J. Gauthier, W. Krassowska, S.F. Idriss, `The Restitution Portrait in Rabbit Epicardium Reveals Spatial Heterogeneity in Short-Term Memory,' Heart Rhythm 2005, New Orleans, LA, May 4-7, 2005. [Heart Rhythm, 2: S299 (2005)]
H. Dobrovolny, C. Berger, S. Kalb, S. Idriss, D. Schaeffer, W. Krassowska, D. Gauthier,`Spatial heterogeneity of the restitution portrait correlates with alternans in paced cardiac tissue,' Heart Rhythm, New Orleans, LA, May 4-7, 2005. [Heart Rhythm, 2: S297 (2005)]
W. Krassowska, * `Restitution portrait: A new tool to analyze cardiac dynamics,' Biomedical Engineering Department, Purdue University, West Layfette, IN, April 13, 2005.
C.M. Berger, H.M. Dobrovolny, S.S. Kalb, S.F. Idriss, D.G. Schaeffer, D.J. Gauthier, W. Krassowska,`Investigating a Period-Doubling Bifurcation in Cardiac Tissue using Alternate Pacing,' American Physical Society March Meeting, Los Angeles, CA, March 21-25, 2005.
H.M. Dobrovolny, E.G. Tolkacheva, D.J. Gauthier, `Spatiotemporal dynamics and control of alternans in cardiac tissue with short-term memory,' APS March meeting, Los Angeles, CA, Mar. 21-25, 2005.
D. J. Gauthier, D. Schaeffer, and W. Krassowska, * `New approaches for modelling heart dynamics,' Applied Math Seminar, Duke University, Mar. 7, 2005.
L. Illing, A. Dawes, S. M. Clark, and D. J. Gauthier, * `Ultra-low-level all-optical switching using a collective instability,' CNCS Seminar Series, Durham, NC, Feb. 15, 2005.
D. J. Gauthier, A. M Dawes, L. Illing, and S. M. Clark * `Ultra-low-light-level all-optical switching using dissipative optical patterns,' NC Photonics Seminar Series, Durham, NC, Jan. 28, 2005.
A. Dawes, S. M. Clark, L. Illing, D. J. Gauthier, * `Observation of ultra-low-light-level all optical switching,' Photonics West, San Jose, CA, Jan. 22-27, 2005.
L. Illing, S. M. Clark, A. Dawes, D. J. Gauthier, `Ultra-low-level light-by-light switching using a collective instability,' Dynamics Days 2005, Long Beach, CA, Jan. 7-10, 2005.
D. J. Gauthier, A. M Dawes, L. Illing, and S. M. Clark * `New techniques for ultra-low light-level nonlinear optics,' XXXV Winter Colloquium on the Physics of Quantum Electronics, Snowbird, UT, January 3, 2005.
2004
D. Gauthier, * `Superluminal light, subluminal information
transmission,' 2004 Annual Meeting of SESAPS, Oak Ridge, TN, Nov. 13,
2004.
S. S. Kalb, E. Tolkacheva, R. A. Oliver, D. G. Schaeffer, W. Krassowska, `Investigation of a cardiac mapping model using the restitution portrait,' 2004 BMES Annual Fall Meeting, Philadelphia, PA, October 13-16, 2004.
R. A. Oliver, A. W. Wood, S. S. Kalb, W. Krassowska, `Restitution portrait in Luo-Rudy-dynamic cardiac membrane model,' 2004 BMES Annual Fall Meeting, Philadelphia, PA, October 13-16, 2004.
N. Brown, D. Gauthier, and P. Wolf, `Improving optrode performance: Coupling light from a light emitting diode into a small core fiber,' 2004 BMES Annual Fall Meeting, Philadelphia, PA, Oct. 13-16, 2004.
D. Gauthier, *`The information velocity,' Center for Photonic Communication and Computing, Northwestern University, Evanston, IL, Oct. 18, 2004.
D. Gauthier, * `Tutorial on: Fast and Slow Light,' 2004 Optical Society of America Annual Meeting, Oct. 10-14, 2004.
D. Gauthier, * `Superluminal light pulses, subluminal information transmission,' 2004 Nonlinear Optics, Waikoloa, Hawaii, Aug. 2-6, 2004. Available as PowerPoint and PDF presentations.
D. Gauthier, * `Physics and Applications of "Slow" Light,' 2nd Annual Summer School, Fitzpatrick Center for Photonics and Communication Systems, Duke University, Durham, NC, July 27, 2004. Available as PowerPoint and PDF presentations.
J. Cain, E. Tolkacheva, D. Schaeffer and D. Gauthier `Rate-dependent waveback velocity of cardiac action potentials in a one-dimensional cable,' International Conference for Mathematics in Biology and Medicine (2004 Annual Meeting for the Society of Mathematical Biology "SMB-2004"), University of Michigan, Ann Arbor, MI, July 25-28, 2004. (Winner, Best Graduate Student Poster competition.)
D. Schaeffer, * `Derivation of a Mapping Model with Memory from an Ionic Model,' 2004 SIAM Conference on the Life Sciences, Portland, OR, July 11, 2004.
E. Tolkacheva, S. Kalb, H. Dobrovolny, S. Idriss, W. Krassowska, and D. Gauthier, * `Restitution Portrait: a New Technique for Investigating Restitution Properties of Periodically Paced Cardiac Tissue,' 2004 SIAM Conference on the Life Sciences, Portland, OR, July 11, 2004.
D. Gauthier, * `Information Velocity,' Workshop on Slow Light, Charlotte, NC, July 12, 2004.
H. Dobrovolny, R. Oliver, S. Kalb, E. Tolkacheva, W. Krassowska, and D. Gauthier,`Conduction velocity dispersion in cardiac tissue,' 2004 CAP Congress, Winnipeg, Canada, June 13-16, 2004.
D. Gauthier, `Observation of fast information velocity in a slow-light medium,' 2004 Annual Meeting of DAMOP, May 29, 2004.
L. Illing, `Controlling fast chaos in a time delay systems', Understanding Complex Systems Symposium, University of Illinois at Urbana-Champaign, May 17-20, 2004.<
E. Tolkacheva, * `The effect of memory on cardiac dynamics', Duke University, Center for Nonlinear and Complex Systems Seminar, March 30, 2004.
H. Dobrovolny, R. Oliver, S. Kalb, E. Tolkacheva, D. Schaeffer, W. Krassowska, D. Gauthier, 'Action potential and conduction velocity restitution in cardiac tissue', APS March Meeting, Montreal, Canada, March 21-26, 2004.
D. Gauthier, * `Measuring the information velocity in fast- and slow-light media,' North Carolina State University Physics Department Colloquium, Raleigh, NC, Mar. 15, 2004.
L. Illing, * `Control of fast chaos in a time delay system', Third Physical Institute, University of Göttingen, Germany, Seminar, Mar. 1, 2004.
L. Illing, * `Parameter estimation for simple neuron models,' Workshop on Multivariate Time Series Analysis, Internationales Wissenschaftsforum (IWH), Heidelberg, Germany, Feb. 25-28, 2004. (link)
D. Gauthier, * `Measuring the information velocity in fast- and slow-light media,' MIT/Harvard Center for Ultracold Atoms Seminar, Cambridge, MA, Feb. 24, 2004.
D. Gauthier, * `Measuring the information velocity in fast- and slow-light media,' University of Virgina Physics Department Colloquium, Charlottesville, VA, Feb. 13, 2004.
E. Tolkacheva, * `The effect of memory on cardiac dynamics', Cornell University, Ithaca, NY, February 2004.
D. Gauthier, * `Measuring the information velocity in fast- and slow-light media,' XXXIV Winter Colloquium on the Physics of Quantum Electronics, Snowbird, UT, January 6, 2004.
E.G. Tolkacheva, S. Kalb, D.G. Schaeffer, D.J. Gauthier,
`Short-term versus long-term memory in the two-dimensional mapping
model of paced cardiac tissue', Dynamics Days, Chapel Hill, NC, Jan.
2-5, 2004. (3rd place winner of best poster competition.)
2003
S. Kalb, E. Tolkacheva, * `The restitution portrait: a new tool to
analyze cardiac dynamics,' Duke University Hospital, Durham, NC, Dec.
2003.
D. Gauthier, * `Measuring the
information velocity in fast- and slow-light media,' University of
Rochester, Institute of Optics Colloquium,
Dec. 9, 2003.
H. Dobrovolny, * `Recent developments in cardiac dynamics',
University of Cambridge, Cambridge, UK, Nov. 26, 2003.
D. Gauthier, * `Controlling chaos in fast dynamical systems,' Laser
Science Conference XIX, Tuscon, AZ, Oct. 8, 2003.
E. Tolkacheva, * `The effect of memory on cardiac dynamics', Institute for Cardiovascular Research, Syracuse, NY, Sept. 2003.
S. Sau, H. Dobrovolny, E. Tolkacheva, D. Schaeffer, W. Krassowska, D. Gauthier, 'New Experimental Protocol for Simultaneous Measurement of the S1S2, Constant-BCL and Dynamic Restitution Curves,' Gordon Research Conference on Cardiac Arrhythmia Mechanisms, New London, NH, August 10-15, 2003 (Winner of Best Experimental Poster Award).
H. Dobrovolny, S. Sau, H. Elmariah, D. Gauthier, J. Gilligan, J. Wikswo, 'Use of LEDs for imaging cardiac tissue,' Gordon Research Conference on Cardiac Arrhythmia Mechanisms, New London, NH, August 10-15, 2003.
E. Tolkacheva, M. Romeo, M. Guerraty, D. Gauthier, 'Condition for alternans and its control in two-dimensional mapping model of paced cardiac tissue,' Gordon Research Conference on Cardiac Arrhythmia Mechanisms, New London, NH, August 10-15, 2003.
R. Oliver, C. Henriquez, W. Krassowska, 'Stability and arrhythmogenesis during rapid pacing of a right atrial model,' Gordon Research Conference on Cardiac Arrhythmia Mechanisms, New London, NH, August 10-15, 2003.
L.Illing, J. N. Blakely, and Daniel J. Gauthier, 'Control of fast Chaos in a Time-Delay System', Gordon Research Conference on Nonlinear Science,' Tilton, NH, August 3-8, 2003.
D. Gauthier, * `Measuring the effect of a "fast light" medium on the information velocity,' Physics Seminar, Departament de Física i Enginyeria Nuclear, Universitat Politècnica de Catalunya, Terrassa, Spain, Jul. 2, 2003.
D. Gauthier, * `Controlling cardiac dynamics,' Seminaire Général de Physique, Institut Non Linéaire de Nice, Sophia Antipolis, France, Jun. 27, 2003.
R. Vilaseca, `Multi-photon gain resonances and associated lasing in coherently-driven potassium atoms,' European Quantum Electronics Conference, Munich, Germany, Jun. 25, 2003.
R. Boyd, `Honeycomb pattern formation by laser-beam filamentation in atomic sodium vapor,' European Quantum Electronics Conference, Munich, Germany, Jun. 23, 2003.
D. Gauthier, * `Instability limits to "fast light" optical pulse propagation,' European Quantum Electronics Conference, Munich, Germany, Jun. 24, 2003.
M.D. Stenner and D.J. Gauthier
Observation of large
Conference on
Lasers and Electro-Optics
and Quantum Electronics and Laser Science Conference (CLEO/QELS) ,
Baltimore,
Maryland, June 1-6, 2003.
fast light
pulse advancement without
distortion,
D. Gauthier, `Information velocity in `fast light' optical pulse propagation,' 2003 Annual Meeting of DAMOP, Boulder, CO, May 21-24, 2003.
D. Gauthier, `A new electro-optic device for generating high-speed chaos,' 2003 Annual Meeting of DAMOP, Boulder, CO, May 21-24, 2003.
H. Dobrovolny, S. Sau, E. Tolkacheva, D. Schaeffer, W. Krassowska, D. Gauthier, 'New Experimental Protocol for Simultaneous Measurement of the S1S2, Constant-BCL and Dynamic Restitution Curves,' NASPE, Washington, DC, May 14-17, 2003.
D. Gauthier, * `Controlling Cardiac Dynamics,' General Physics Colloquium, Department of Physics, Cornell University, April 21, 2003.
H. Dobrovolny, S. Sau, E. Tolkacheva, D. Schaeffer, W. Krassowska, D. Gauthier, 'Stability of Cardiac Response Patterns', Dynamics Days, January, 2003.
2002
M.D. Stenner * The speed of
information in
Joint Workshop on Photonics in the 21st Century, National Chiao
Tung University, Kaung Fu Campus, Hsinchu, Taiwan, December 17-18, 2002.
fast light
pulse propagation,
D.J. Gauthier, * ` ``Fast'' and ``Slow'' light,' Department of Physics Colloquium, Davidson College, Davidson, NC, October 24, 2002.
D. Gauthier, * `Controlling cardiac arrhythmias,' Nonlinear Waves in Biology, Aspen Center for Physics, Aspen, CO, August 5, 2002.
D. Gauthier and M. Stenner, * ` Large fast-light pulse advancement,' Quantum Optics Mini Program, Institute for Theoretical Physics, Santa Barbara, CA, July 18, 2002.
D. Gauthier and M. Stenner, ` Instability limits to "fast light" propagation,' 2002 Annual Meeting of DAMOP, College of William and Mary, Williamsburg, VA, June 1, 2002.
M.D. Stenner, ' Instability Limits to ``Fast'' Light Pulse Propagation,', CLEO/QELS (Conference on Lasers and Electro-Optics / Quantum Electronics and Laser Science Conference) Long Beach, CA, May 19-24, 2002.
D.J. Gauthier, * ` ``Fast'' and ``Slow'' light,' Department of Physics and Physical Oceanography Colloquium, University of North Carolina at Wilmington, NC, April 26, 2002.
A. Talkachova, D. Schaeffer, C. Mitchell, `Analysis of the Fenton-Karma model through approximation by a one-dimensional map,' Annual American Physics Society March Meeting 2002, Indianapolis, IN, March 20, 2002.
S. Sau, W. Krassowska, D. Gauthier, `Restitution Properties and Stability of Response Patterns in Cardiac Muscle,' Annual American Physics Society March Meeting 2002, Indianapolis, IN, March 20, 2002.
R. Oliver and W. Krassowska, `Concentration drift and rate-dependent restitution in the CRN atrial membrane model,' Annual American Physics Society March Meeting 2002, Indianapolis, IN, March 20, 2002.
D.J. Gauthier, * `Modulation-instability limits to "fast" light pulse propagation', XXXII Winter Colloquium on the Physics of Quantum Electronics, Snowbird, UT, January 10, 2002.
2001
D.J. Gauthier, * 'Dynamics of a two-photon laser,' Naval Research Laboratory Seminar, November 29, 2001, Washington, DC.
D.J. Gauthier, * ' "Slow" and "Fast" Light,' 68th Annual Meeting Southeastern Section Meeting of the APS, November 5, 2001, Charlottesville, VA.
D.J. Gauthier, * 'Suppressing Alternans in Small Pieces of Periodically-Paced Myocardium,' Annual Fall Meeting of the Biomedical Engineering Society, October 4, 2001, Durham, NC.
D.J. Gauthier, 'Existence of Bistability and Correlation with Arrhythmogenesis in Paced Sheep Atria,' Biophysics Seminar, Vanderbilt University, July 24, 2001, Nashville, TN.
D.J. Gauthier, * ' Polarization dynamics of a two-photon Raman laser,', Eighth Rochester Conference on Coherence & Quantum Optics Rochester, NY, June 13-16, 2001.
D.J. Gauthier, ' Pulse propagation in a high-gain bichromatically-driven Raman amplifier,', Eighth Rochester Conference on Coherence & Quantum Optics Rochester, NY, June 13-16, 2001.
M.D. Stenner, ' Quantum limits to superluminal pulse advancement,', CLEO/QELS (Conference on Lasers and Electro-Optics / Quantum Electronics and Laser Science Conference) Baltimore, MD, May 6-11, 2001.
D.J. Gauthier, * `A Flexible Source of Optical Chaos for Use in Communications,' Center for Engineering Science Advanced Research, Advances in Computational Nonlinear Science Seminar, Oak Ridge National Laboratory, Oak Ridge, TN, May 1, 2001.
D.J. Gauthier, `A Flexible Source of Optical Chaos for Use in Communications,' Weapons Sciences Directorate, AMSAM-RD-WS-ST Missile Research, Development and Engineering Center, U. S. Army Aviation and Missile Command, Redstone Arsenal, AL, April 23, 2001.
M.D. Stenner, * 'Quantum limits to superluminal pulse advancement', XXXI Winter Colloquium on the Physics of Quantum Electronics, Snowbird, UT, January 7-11, 2001.
J.N. Blakely, 'Flexible Source of Optical Chaos for Use in Communications', Dynamics Days 2001, Chapel Hill, NC, January 4, 2001.
2000
D.J. Gauthier, * `Progress toward controlling fibrillation in sheep atria using small electrical stimuli and chaos-control protocol,' Workshop on Mapping and Control of Complex Arrhythmias, Universite de Montreal, Montreal, Canada, October 29, 2000.
J.N. Blakely, 'Flexible Source of Optical Chaos for Use in Communications', OPTO-Southeast Meeting on Optoelectronics, Photonics, and Imaging, Charlotte, North Carolina, September 19, 2000.
M.D. Stenner, 'Observation of polarization instabilities in a two-photon laser,', OPTO-Southeast Meeting on Optoelectronics, Photonics, and Imaging, Charlotte, North Carolina, September 19, 2000.
M.D. Stenner, `Observation of polarization instabilities in a two-photon laser,' 2000 Annual Meeting of DAMOP, University of Connecticut, Storrs, Connecticut, June 14 - 17, 2000.
D.J. Gauthier, * `Delay-Induced Instabilities in Semiconductor Lasers,' IEEE Colloquium and Nonlinear Systems Program Seminar, School of Electrical Engineering, Cornell University, Ithaca, NY, February 1, 2000.
D.J. Gauthier, `Preliminary Attempts to Control Experimentally a Fibrillating Sheep Atrium,' 19th Annual International Conference on Chaos and Nonlinear Dynamics, Dynamics Days 2000, Sante Fe, NM, January 5-8, 2000.
1999
J.N. Blakely, ‘Observation of a New Scaling Relation in the Transition from Synchronized Chaos to Attractor Bubbling’, 66th Annual Meeting Southeastern Section Meeting of the APS, Chapel Hill, NC, November 8, 1999.
O. Pfister, * `Experimental Realization of a two-photon laser in strongly driven potassium atoms,' Quantum Electronics and Laser Science Conference, May 1999, Baltimore, MD.
J.N. Blakely,‘Experimental Evaluation of Several Proposed Criteria for Synchronization’, 5th SIAM Conference on Applications of Dynamical Systems, May 23, 1999, Snowbird, UT.
D.J. Gauthier, * `Controlling Heart Dynamics Using Small Perturbations,' Simpson Forum, Simpson College, March 31, 1999, Indianola, IA.
J.N. Blakely, ‘Experimental Determination of the Coupling Required for Synchronization of Hyperchaos’, APS Centennial Meeting, March 22, 1999, Atlanta, GA.
J.N. Blakely, ‘Experimental Comparison of Synchronization Criteria Using Non-normal Oscillators’, Dynamics Days, January 6, 1999, Atlanta, GA.
1998
D.J. Gauthier, * `Controlling the Dynamics of Cardiac Tissue using Electrical Stimuli,' Mathematical Biology Seminar, Duke University, December 2, 1998.
D.J. Gauthier, * `The Two-Photon Laser,' Southeastern Section of the American Physics Society Annual Meeting, November 14, 1998, Miami, FL.
D.J. Gauthier, * `Nonlinear Dynamics of the Heart,' Center for Emerging Cardiovascular Technologies Industrial Associates Meeting, October 22, 1998, Durham, NC.
D.J. Gauthier, * `Controlling Heart Dynamics Using Small Perturbations,' Biophysics Seminar, Vanderbilt University, October 8, 1998, Nashville, TN.
D.J. Gauthier, * `Controlling Cardiac Dynamics,' Department of Zoology Colloquium, Duke University, September 14, 1998, Durham, NC.
D.J. Gauthier, * `Experimental Control of Cardiac Dynamics Using Small Perturbations,' Minisymposium on Unstable Periodic Orbits in Biology: Identification and Control, Annual Meeting of the Society for Industrial and Applied Mathematics, July 16, 1998, Toronto, Canada.
D.J. Gauthier, * `Robust Control and Synchronization of Chaos,' U.S. Army Research Office Seminar, July 1, 1998, Research Triangle Park, NC.
O. Pfister, `A new mechanism for continuous-wave two-photon amplification,' International Quantum Electronics Conference, May, 1998, San Francisco, CA.
D.J. Gauthier, * `Spatio-Temporal Complexity and Fast Synchronization in a Neuronal Network,' Annual March Meeting of the American Physics Society, March 18, 1998, Los Angeles, CA.
D.J. Gauthier, * `Controlling Heart Dynamics Using Small Perturbations,' Center for Emerging Cardiovascular Technologies Video Seminar, Duke University, February 24, 1998, Durham, NC.
D.J. Gauthier, * `Controlling Heart Dynamics Using Small Perturbations,' Biomedical Engineering Center for Dynamic Control Seminar, Boston University, January 29, 1998, Boston, MA.
D.J. Gauthier, `Controlling Heart Dynamics Using Small Perturbations,' Dynamics Days, January 9, 1998, Chapel Hill, NC.
G.M. Hall, `A Test Bed for Control of Cardiac Tissue,' Dynamics Days, January 8, 1998, Chapel Hill, NC.
1997
D.J. Gauthier, * `Linear and Nonlinear Chaos Control without Reference States,' Workshop on Theory, Diagnostics and Control of Chaos, December 5, 1997, Redstone Arsenal, Huntsville, AL.
D.J. Gauthier, * `The Two-Photon Laser,' Department of Physics Colloquium, November 12, 1997, Georgia Institute of Technology, Atlanta, GA.
D.J. Gauthier, * `Controlling Heart Dynamics Using Small Perturbations,' Nonlinear Dynamics Seminar, November 11, 1997, Georgia Institute of Technology, Atlanta, GA.
D.J. Gauthier, * `Controlling Chaos in Fast Optical Systems,' Southeastern Section of the American Physics Society Annual Meeting, November 6, 1997, Nashville, TN.
D.J. Gauthier, *`Synchronization of Chaotic Systems,' 4th Experimental Chaos Conference, Aug. 8, 1997, Boca Raton, FL.
G.M. Hall, `Experimental Control of a Chaotic System Using Interspike Intervals,' 4th Experimental Chaos Conference, Aug. 6, 1997, Boca Raton, FL.
D.J. Gauthier, *`Dynamics and Control of High-Speed Instabilities and Chaos in Semiconductor Lasers,' Fundamentals and Modelling of Lasers and Ultra Short Pulse Interactions, University College, July 23, Cork, Ireland.
W.R. Brown, `Quantum Noise Properties of a Saturated Amplifier,' Quantum Electronics and Laser Science Conference, May 22, 1997, Baltimore, MD.
J.R. Gardner, `Collective Atomic Recoil and Dressed-State Resonances,' Quantum Electronics and Laser Science Conference, May 23, 1997, Baltimore, MD.
D.J. Gauthier, `Laser Beam Amplification due to Collective Atomic Recoil,' Quantum Electronics and Laser Science Conference, May 21, 1997, Baltimore, MD.
D.W. Sukow, `Suppression and entrainment of power-dropout events in external-cavity semiconductor lasers,' Quantum Electronics and Laser Science Conference, May 22, 1997, Baltimore, MD.
D.J. Gauthier, *`Controlling Chaos in Fast Optical Systems,' American Physics Society Annual March Meeting, March 17-21, 1997, Kansas City, MO.
D.J. Gauthier, *`Dynamics of Hearts and Brains,' Nonlinear Dyamics Seminar, February 20, 1997, Naval Research Laboratory, Washington, DC.
D.J. Gauthier *`Controlling the Dynamics of the Heart Using Small Perturbations,' Condensed Matter Seminar, University of North Carolina at Chapel Hill, February 5, 1997, Chapel Hill, NC.
G.M. Hall, `Complex Dynamical Behavior of Small Pieces of Cardiac Tissue,' Dynamics Days Arizona, January 8-11, 1997, Scottsdale, AZ.
D.W. Sukow,` Regulation of power-dropout events in an external Cavity Semiconductor Laser under Drive Current Modulation,' Dynamics Days Arizona, January 8-11, 1997, Scottsdale, AZ.
1996
D.J. Gauthier, *`The two-photon laser,' Department of Physics Colloquium, Wake Forest University, September 26, 1996, Winston-Salem, NC.
D.J. Gauther, *`Issues in controlling chaos in fast optical systems,' Workshop on Communication by Chaos: Digital Signal Generation by Simple Nonlinear Devices, U.S. Army Research Office, June 5, 1996, RTP, NC.
J.R. Gardner, `Observation of large cw two-photon optical amplification,' DAMOP Annual Meeting, May 15, 1996, Ann Arbor, MI.
D.J. Gauthier, *`Two-photon lasers and amplifiers,' Center for Laser Research Colloquium, March 11, 1996, Stillwater, OK.
D.J. Gauthier, *`Controlling chaos in fast optical systems,' 26th Winter Colloquium on the Physics of Quantum Electronics, January 8, 1996, Snowbird, UT.
1995
D.J. Gauthier, *`Intermittent loss of synchronization in coupled dynamical systems,' Nonlinear Dyamics Seminar, December 14, 1995, Department of Physics, University of Maryland, College Park, MD.
D.J. Gauthier, *`Intermittent loss of synchronization in coupled dynamical systems,' Nonlinear Dyamics Seminar, December 13, 1995, Naval Research Laboratory, Washington, DC.
D.J. Gauthier, *`Controlling chaos in fast optical systems,' IEEE Lasers and Electro-Optics Society Washington/Northern Virginia Monthly Meeting, December 12, 1995, College Park, MD.
D.J. Gauthier, *`Tutorial on chaos and fractals,' Workshop on Chaos, Fractals and Wavelets in Data Links, November 14, 1995, Redstone Arsenal, AL.
D.J. Gauthier, *`Controlling chaos in fast optical systems,' IEEE Lasers and Electro-Optics Society Annual Meeting, October 30, 1995, San Francisco, CA.
D.J. Gauthier, *`Control enhanced synchronization: toward controlling spatio-temporal chaos,' Workshop on Controlling chaos in Hearts and Brains, June 23, 1995, Pisa, Italy.
D.J. Gauthier, `Controlling the unstable steady-states of lasers using continuous feedback,' Conference on Nonlinear Dynamics in Optical Systems, June 7, 1995, Rochester, NY.
D.J. Gauthier, `Observation of 30% continuous-wave two-photon amplification,' Seventh Rochester Conference on Coherence and Quantum Optics, June 8, 1995, Rochester, NY.
H.M. Concannon, `Large cw two-photon optical amplification,' Quantum Electronics and Laser Science Conference '95, May 24, 1995, Baltimore, MD.
D.J. Gauthier, *`Large continuous-wave two-photon gain in laser driven alkali atoms,' National Institute of Standards and Technology Seminar, April 7, 1995, Boulder, CO.
D.J. Gauthier, *`Synchronizing chaos: Application to control of cardiac crrhythmias,' Duke Electrophysiology Seminar, February 21, 1995, Durham, NC.
D.J. Gauthier, *`Intermittent loss of synchronization in coupled chaotic oscillators,' Dynamics Days, January 5, 1995, Houston, TX.
1994
D.J. Gauthier, *`Synchronizing chaos - The next step in mastering chaos,' Nonlinear and Complex Systems Seminar, Duke University, November 8, 1994, Durham, NC.
D.J. Gauthier, *`On-off intermittency in synchronized chaotic systems,' Optics group seminar, Phillips Laboratory, October 28, 1994, Albuquerque, NM.
D.J. Gauthier, *`Synchronizing chaos - The next step in mastering chaos,' Condensed Matter Seminar, Pennsylvania State University, October 24, 1994, State College, PA.
D.J. Gauthier, *`Synchronizing chaos - The next step in mastering chaos,' Condensed Matter Seminar, University of North Carolina at Chapel Hill, October 4, 1994, Chapel Hill, NC.
D.J. Gauthier, *`Controlling chaos in fast dynamical systems,' Application of Chaos, Fractals, and Complex Spatio-Temporal Systems, May 27, 1994, Redstone Arsenal, AL.
D.J. Gauthier, *`Controlling chaos in fast dynamical systems,' Dynamics Days, January 5, 1994, Durham, NC.
D.W. Sukow, `Controlling chaos under 100 ns,' Dynamics Days, January 5, 1994, Durham, NC.
1993
D.J. Gauthier, *`Controlling chaos in fast dynamical systems,' Department Colloquium, University of Alabama, December 5, 1993, Huntsville, AL.
D.J. Gauthier, *`Controlling chaos using time-delay auto synchronization,' Optics group seminar, Phillips Laboratory, November 19, 1993, Albuquerque, NM.
D.J. Gauthier, *`Mastering chaos,' Department Colloquium, Duke University, November 10, 1993, Durham, NC.
D.J. Gauthier, *`Controlling chaos: the real world,' Nonlinear and Complex Systems Seminar, Duke University, October, 1993, Durham, NC.
D.J. Gauthier, `Two-photon Raman laser,' Optical Society of America Annual Meeting, October 8, 1993, Toronto, Canada.
D.J. Gauthier, `Electromagnetically enhanced two-photon gain and absorption', with D. Sukow and H. Concannon, Optical Society of America Annual Meeting, October 7, 1993, Toronto, Canada.
D.J. Gauthier, * `Instabilities in two-photon lasers,' SPIE Conference on Chaos in Optics, July 15, 1993, San Diego, CA.
D.J. Gauthier, * `The two-photon laser,' International School of Atomic and Molecular Spectroscopy, June 19, 1993, Erice, Sicily.
1992
D.J. Gauthier, `Dressed-state spectroscopy,' with D. Sukow and H. Concannon, Optical Society of America Annual Meeting, September 27, 1992, Albuquerque, NM.
D.J. Gauthier, * `New developments in two-photon lasers,' Multiphoton Processes Gordon Research Conference, June 9, 1992, New London, NH.
1991
D.J. Gauthier, * `Controlling optical chaos,' Naval Surface Weapons Laboratory, November 10, 1991, College Park, MD.