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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 5, Iss. 12 — Dec. 10, 2007
  • pp: 690–692

Self-imaging effect in photonic crystal multimode waveguides exhibiting no band gaps

Tianbao Yu, Xiaoqing Jiang, Qinghua Liao, Wei Qi, Jianyi Yang, and Minghua Wang  »View Author Affiliations


Chinese Optics Letters, Vol. 5, Issue 12, pp. 690-692 (2007)


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Abstract

The properties of the propagating field in multimode photonic crystal waveguides (PCWs) exhibiting no photonic band gaps (PBGs) are investigated. The transmission spectrum shows that the input field can be guided with high efficiency, and resemble index-guided modes owing to the combination of total internal reflection (TIR) and distributed Bragg reflection (DBR). Self-imaging effect happens and the filling fraction determines the beating lengths. The rows of air holes decide DBR coming from the mirrors on both sides of the guiding region, which governs the transmission spectrum. It provides a new way to realize the components for both polarizations by combining PBG and TIR effects in PCWs.

© 2007 Chinese Optics Letters

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(130.2790) Integrated optics : Guided waves

Citation
Tianbao Yu, Xiaoqing Jiang, Qinghua Liao, Wei Qi, Jianyi Yang, and Minghua Wang, "Self-imaging effect in photonic crystal multimode waveguides exhibiting no band gaps," Chin. Opt. Lett. 5, 690-692 (2007)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-5-12-690

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