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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
IEICE TRANSACTIONS on Electronics
Publication Date: 2012/02/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: BRIEF PAPER
integrated optics, photonic crystals, waveguides,
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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.