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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 7 — Apr. 1, 2010
  • pp: 1073–1075

Nonlinear loss dynamics in a silicon slow-light photonic crystal waveguide

Bill Corcoran, Christelle Monat, Dominik Pudo, Benjamin J. Eggleton, Thomas F. Krauss, David J. Moss, Liam O’Faolain, Mark Pelusi, and Thomas P. White  »View Author Affiliations


Optics Letters, Vol. 35, Issue 7, pp. 1073-1075 (2010)
http://dx.doi.org/10.1364/OL.35.001073


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Abstract

We directly investigate both experimentally and numerically the influence of optical nonlinear loss dynamics on a silicon waveguide based all-optical device. The dynamics of these nonlinear losses are explored through the analysis of optical limiting of an amplitude distorted 10 Gbit/s signal in a slow-light silicon photonic crystal waveguide. As the frequency of the distortion approaches the free-carrier recombination rate, free-carrier absorption reaches a steady state, leaving two-photon absorption the dominant dynamic nonlinear loss. Our results highlight the importance of engineering the free-carrier lifetime in silicon waveguides for high speed all-optical processing applications.

© 2010 Optical Society of America

OCIS Codes
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(130.5296) Integrated optics : Photonic crystal waveguides

ToC Category:
Nonlinear Optics

History
Original Manuscript: December 10, 2009
Revised Manuscript: February 10, 2010
Manuscript Accepted: February 14, 2010
Published: March 31, 2010

Citation
Bill Corcoran, Christelle Monat, Dominik Pudo, Benjamin J. Eggleton, Thomas F. Krauss, David J. Moss, Liam O'Faolain, Mark Pelusi, and Thomas P. White, "Nonlinear loss dynamics in a silicon slow-light photonic crystal waveguide," Opt. Lett. 35, 1073-1075 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-7-1073

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