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  • Proceedings of the International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim 2011
  • (Optica Publishing Group, 2011),
  • paper J526

High quality factor nanocavity in a rod-type photonic crystal structure for controlling TM light

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Abstract

In this study, we propose a high quality (Q) factor nanocavity in a rod-type photonic crystal slab structure for controlling TM light. By analyzing the dispersion relations of the rod-type photonic crystal waveguides, we design a heterostructure nanocavity consisting of many waveguides with different lattice constants. The Q factor of the nanocavity is as high as 470,000, and its modal volume is as small as 0.7(λ/n)3. Furthermore, we investigate the influence of asymmetrically and symmetrically low-index-clad structures on the Q factor of the cavity.

© 2011 AOS

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