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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 5 — Mar. 2, 2009
  • pp: 3500–3507

Enhanced spontaneous Raman scattering in silicon photonic crystal waveguides on insulator

Xavier Checoury, Moustafa El Kurdi, Zheng Han, and Philippe Boucaud  »View Author Affiliations


Optics Express, Vol. 17, Issue 5, pp. 3500-3507 (2009)
http://dx.doi.org/10.1364/OE.17.003500


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Abstract

We study the spontaneous Raman scattering in a W1 photonic crystal waveguide on silicon-on-insulator where the lower silica cladding remains. Despite the vertical asymmetry that exists in such a waveguide, we numerically and experimentally show that the propagation losses at the pump and the Stokes wavelengths remain low enough to allow a significant exaltation of the spontaneous Raman scattering. In particular, we observe a reshaping of the Raman spectrum and a more than ten-fold enhancement of the Raman scattering efficiency in a W1 photonic crystal waveguide as compared to a single-mode ridge waveguide.

© 2009 Optical Society of America

OCIS Codes
(130.5296) Integrated optics : Photonic crystal waveguides
(230.5298) Optical devices : Photonic crystals

ToC Category:
Photonic Crystals

History
Original Manuscript: October 27, 2008
Revised Manuscript: December 12, 2008
Manuscript Accepted: December 15, 2008
Published: February 23, 2009

Citation
Xavier Checoury, Moustafa El Kurdi, Zheng Han, and Philippe Boucaud, "Enhanced spontaneous Raman scattering in silicon photonic crystal waveguides on insulator," Opt. Express 17, 3500-3507 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-5-3500


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