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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 15 — Aug. 1, 2006
  • pp: 2284–2286

Enhanced all-optical tuning of leaky eigenmodes in photonic crystal waveguides

A. D. Bristow, D. O. Kundys, A. Z. García-Déniz, J.-P. R. Wells, A. M. Fox, M. S. Skolnick, D. M. Whittaker, A. Tahraoui, T. F. Krauss, and J. S. Roberts  »View Author Affiliations


Optics Letters, Vol. 31, Issue 15, pp. 2284-2286 (2006)
http://dx.doi.org/10.1364/OL.31.002284


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Abstract

We demonstrate all-optical switching in an active two-dimensional photonic crystal waveguide, observing as large as 16 nm blueshifts of a leaky eigenmode at 839 nm and switching ratios of almost 70%. These results are larger than those previously observed in similar experiments performed on passive photonic crystal waveguides; the enhancement is due to resonant photogeneration of carriers by In 0.12 Al 0.2 Ga 0.68 As quantum wells in the core of the waveguide. The effective change in the refractive index of the structure is 10 2 , with a rise time of 1 ps and a decay time of 10 ps , potentially allowing high-speed switching and fast modulation rates.

© 2006 Optical Society of America

OCIS Codes
(130.0250) Integrated optics : Optoelectronics
(160.6000) Materials : Semiconductor materials
(190.4180) Nonlinear optics : Multiphoton processes

ToC Category:
Integrated Optics

History
Original Manuscript: March 17, 2006
Revised Manuscript: May 8, 2006
Manuscript Accepted: May 9, 2006
Published: July 10, 2006

Citation
A. D. Bristow, D. O. Kundys, A. Z. García-Déniz, J.-P. R. Wells, A. M. Fox, M. S. Skolnick, D. M. Whittaker, A. Tahraoui, T. F. Krauss, and J. S. Roberts, "Enhanced all-optical tuning of leaky eigenmodes in photonic crystal waveguides," Opt. Lett. 31, 2284-2286 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-15-2284


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