18 November 2008 Central hole effect on Whispering-Gallery-Mode of triangular lattice photonic crystal microcavity
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Proceedings Volume 7135, Optoelectronic Materials and Devices III; 71353K (2008) https://doi.org/10.1117/12.803240
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China
Abstract
Whispering-Gallery-Mode (WGM) photonic crystal microcavity is a kind of photonic crystal application and can potentially be used for miniaturized photonic devices, such as thresholdless lasers. In this paper we study the WGM of photonic crystal microcavities focusing on the so called H2 cavities which are formed by removing seven air holes. The WGM in these large-size cavities has some advantages compared with single defect WGM in the view of real device applications. We further add a central air hole in the cavity region to analyze the effect on WGM in the microcavity by finite difference time domain (FDTD) and plane wave expansion (PWE). It is found that the tolerance of WGM is large enough for the fabrication of electrical injection structure.
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Guangyu Liu, Yongqiang Ning, Te Li, Jinjiang Cui, Yan Zhang, Xing Zhang, Zhenfu Wang, Lijun Wang, "Central hole effect on Whispering-Gallery-Mode of triangular lattice photonic crystal microcavity", Proc. SPIE 7135, Optoelectronic Materials and Devices III, 71353K (18 November 2008); doi: 10.1117/12.803240; https://doi.org/10.1117/12.803240
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