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Conferences > CLEOPR > 2013 > WI1 > WI1_5
  • 2013 Conference on Lasers and Electro-Optics Pacific Rim
  • (Optica Publishing Group, 2013),
  • paper WI1_5

High-Q Microdisk Resonator Having Sub-Wavelength Grating on Its Sidewall

Shohei Iijima, Yasuo Ohtera, and Hirohito Yamada

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Abstract

A novel type of dielectric microdisk resonator for integrated optics is proposed. The disk has angular grating on its sidewall, which exhibits guided-mode resonance (GMR) and thus functions as a highly reflective mirror for diverging waves inside the disk. Due to the wavelength sensitive property of GMR, a particular cavity mode can have large quality factor (Q) than other ones. Basic optical characteristics such as input/output characteristics, Q-factors, mode field patterns were investigated through Finite-Difference Time-Domain (FDTD) simulation.

© 2013 IEICE

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