Built-In Microplanar Lens for Light Coupling to Two-Dimensional Photonic Crystal Waveguide

Naoki IKEDA; Yu TANAKA; Hitoshi KAWASHIMA; Yoshimasa SUGIMOTO; Toshifumi HASAMA; Kiyoshi ASAKAWA; Hiroshi ISHIKAWA

doi:10.1587/transele.E95.C.243

IEICE Transactions on Electronics

Online ISSN : 1745-1353
Print ISSN : 0916-8524

Special Section on Photonic Devices using Nanofabrication Technology and Their Applications

Built-In Microplanar Lens for Light Coupling to Two-Dimensional Photonic Crystal Waveguide

Naoki IKEDA, Yu TANAKA, Hitoshi KAWASHIMA, Yoshimasa SUGIMOTO, Toshifumi HASAMA, Kiyoshi ASAKAWA, Hiroshi ISHIKAWA

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Keywords: integrated optics, photonic crystals, waveguides

JOURNAL RESTRICTED ACCESS

2012 Volume E95.C Issue 2 Pages 243-246

DOI https://doi.org/10.1587/transele.E95.C.243

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Abstract

We propose a built-in planar lens for coupling light to a waveguide on a 2-D photonic crystal (PhC) membrane. A 2-D PhC waveguide with the built-in lens has been fabricated with AlGaAs. Improvement in coupling performance is discussed in comparison to waveguides with straight ends as cleaved.

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