News from Dan Gauthier's Group

• Subwavelength Position Sensing!  Physorg.com describes our apprach for subwavelength position sensing using wave chaos and nonlinear feedback. Phys. Rev. Lett. 107, 254103 (2011).

• Stored Light!  Our paper on storing light in an optical fiber by converting the information to sound and back to light again appeared in the December 14 issue of Science Magazine.  See the link to the right to read more!  `Stored light in an optical fiber via Stimulated Brillouin Scattering,' Science 318, 1748 (2007).

• Our paper on 'Period-doubling bifurcation to alternans in paced-cardiac tissue: Crossover from smooth to border-collision characteristics,' has appeared on line in July in Physical Review Letters (Phys. Rev. Lett. 99, 058101 (2007).)

• Our paper on `Nearly transparent SBS slow light in an optical fiber,' appeared in the August 7 issue of Optics Express (Opt. Express 14, 7238 (2006)).

• Our paper on 'Direct Observation of Optical Precursors in a Region of Anomalous Dispersion,' appeared in the April 14 issue of Physical Review Letters (Phys. Rev. Lett. 96, 143901 (2006)).

• Our paper on 'All-optical switching in rubidium vapor' appeared in the April 29, 2005 issue of Science (Science 308, 672 (2005)). For more information, visit the All-Optical Switching Research section of our web site.

• Our paper on `Tunable All-Optical Delays via Brillouin Slow Light in an Optical Fiber,' appeared in the April 22 issue of Physical Review Letters (Phys. Rev. Lett. 94, 153902 (2005)).

• Our paper on  `Restitution in Mapping Models with an Arbitrary Amount of Memory,' (Chaos 15, 023701 (2005)) was selected to appear in the Virtual Journal of Biological Physics Research, Volume 9, Issue 8, April 15, 2005.

• Our paper on `Fast causal information transmission in a medium with a slow group velocity,' (Phys. Rev. Lett. 94, 053901 (2005)) appeared in February 11, 2005 issue of Physical Review Letters.  For more information, visit the Information Velocity Research section of our web site.
  
  
• Our paper on `Controlling Fast Chaos in Delay Dynamical Systems,' (Phys. Rev. Lett. 92, 193901 (2004)) was selected to appear in the Virtual Journal of Ultrafast Science, Volume 3, Issue 6, June 2004.

•  Our paper on `Condition for alternans and its control in a two-dimensional mapping model of paced cardiac dynamics,' (Phys. Rev. E 69, 031904 (2004)) was selected to appear in the Virtual Journal of Biological Physics Research, Volume 7, Issue 6, March 15, 2004.

• Our paper on 'The speed of information in a 'fast light' optical medium' appeared in the October 16, 2003 issue of Nature. For more information, visit the Information Velocity Research section of our web site.

•  Our paper on `Condition for alternans and its control in a two-dimensional mapping model of paced cardiac dynamics,' Phys. Rev. E 69, 031904 (2004) was selected to appear in the Virtual Journal of Biological Physics Research, Volume 7, Issue 6, March 15, 2004.
  

• The Nature Science Update has an excellent descriptive article about our recent Nature Paper.
  
  
• Science Now presents a very clear and compact description of our recent Nature Paper.
  
  
• An article at the Duke News site discussing our recent fast-light information velocity results.
  
  
• An article at the University of Arizona News site discussing our recent fast-light information velocity results.
  
  
• The Economist describing our fast-light information velocity research.
  
  
• A nice summary at Roland Piquepaille's Technology Trends based on the Ecomomist article.
  
  
• Our paper on  `Analysis of the Fenton-Karma model thorugh approximation by a one-dimensional map,' (Chaos 12, 1034 (2002)) was selected to appear in the Virtual Journal of Biological Physics Research, Volume 4, November 1, 2002.
  
  
• Our paper on `Experimental control of cardiac muscle alternans,' (Phys. Rev. Lett. 88, 198102 (2002)) was selected to appear in the Virtual Journal of Biological Physics Research, Volume 3, May 1, 2002.
  
  
• See the cover of Phys. Rev. Lett. on Honeycomb pattern formation by laser-beam filamentation in atomic sodium vapor, a joint project with Prof. Robert Boyd's group at the University of Rochester.
  
  
• See the Phys. Rev. Focus article on Communication with Dynamically Fluctuating States of Light Polarization with comments by Dan
  
  
• See the NY Times article on quantum lithography with comments by Dan part 1, part 2
  
  
• See the press releases about our recent reserach on two-photon lasers:
  • AIP press release  (Summer 2001)
  • Nature Physics Portal press release (you'll need to subscribe for a free account)
  • Optics.org press release  (Summer 2001)
  • The Phys. Rev. Lett. article describing the two-photon laser.  (Summer 2001)

News about related work

• sciencenews.org discussing work from the groups of Wang, Nimtz, and Chiao on light pulses that travel faster than the speed of light in vacuum.
• physicsweb.org discussing the work of Wang's group and their superluminal pulse result.