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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 9, Iss. 1 — Jan. 10, 2011
  • pp: 011301–

A concave photonic crystal waveguide with a corrugated surface for high-quality focusing

Hong Wu, Liyong Jiang, Haipeng Li, Wei Jia, Gaige Zheng, Haixia Qiang, and Xiangyin Li  »View Author Affiliations


Chinese Optics Letters, Vol. 9, Issue 1, pp. 011301- (2011)


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Abstract

A concave two-dimensional (2D) photonic crystal waveguide (PCW) with corrugated surface is theoretically used as a focusing structure. To design this structure, a genetic algorithm is combined with the finite-difference time-domain method. For PCWs with different degrees of concaveness, the power reaches about 80% at different focusing points when the morphology of the concave surface is optimized. More importantly, the focusing location is easily controlled by changing the location of the detector placed in the output field.

© 2011 Chinese Optics Letters

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(130.5296) Integrated optics : Photonic crystal waveguides

Citation
Hong Wu, Liyong Jiang, Haipeng Li, Wei Jia, Gaige Zheng, Haixia Qiang, and Xiangyin Li, "A concave photonic crystal waveguide with a corrugated surface for high-quality focusing," Chin. Opt. Lett. 9, 011301- (2011)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-9-1-011301

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