Woodpile photonic crystal of various crystal orientations

Lingling Tang; Shu-Yu Su; Tomoyuki Yoshie

doi:10.1117/12.874287

28 February 2011 Woodpile photonic crystal of various crystal orientations

Lingling Tang, Shu-Yu Su, Tomoyuki Yoshie

Proceedings Volume 7946, Photonic and Phononic Properties of Engineered Nanostructures; 79460M (2011) https://doi.org/10.1117/12.874287
Event: SPIE OPTO, 2011, San Francisco, California, United States

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.

Citation Download Citation

Lingling Tang, Shu-Yu Su, and Tomoyuki Yoshie "Woodpile photonic crystal of various crystal orientations", Proc. SPIE 7946, Photonic and Phononic Properties of Engineered Nanostructures, 79460M (28 February 2011); https://doi.org/10.1117/12.874287

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