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Proceedings Paper

Woodpile photonic crystal of various crystal orientations
Author(s): Lingling Tang; Shu-Yu Su; Tomoyuki Yoshie
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Paper Abstract

Three-dimensional woodpile photonic crystals with a variety of crystal orientations and surfaces, including (110), (001), (100) and (010) planes, are fabricated in GaAs and silicon with the multi-directional etching method. The optical properties of the fabricated woodpile photonic crystals are characterized via reflectance spectra measurement. High reflectivity is observed in 1200 nm to 1550 nm wavelength, exhibiting a photonic bandgap. The ultra-high-Q microcavities designed by unit cells size modulation consist of straight dielectric rods only; therefore, they could be fabricated by the directional etching methods. A high quality factor is expected in the microcavity fabricated by the one-top, one-side etching approach.

Paper Details

Date Published: 28 February 2011
PDF: 7 pages
Proc. SPIE 7946, Photonic and Phononic Properties of Engineered Nanostructures, 79460M (28 February 2011); doi: 10.1117/12.874287
Show Author Affiliations
Lingling Tang, Duke Univ. (United States)
Shu-Yu Su, Duke Univ. (United States)
Tomoyuki Yoshie, Duke Univ. (United States)

Published in SPIE Proceedings Vol. 7946:
Photonic and Phononic Properties of Engineered Nanostructures
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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