IEICE Electronics Express
Online ISSN : 1349-2543
LETTER
Compact silica arrayed-waveguide grating with small bend radius utilizing trenches filled with low-refractive index material
Jiro ItoTom Yen-Ting FanTakanori SuzukiHiroyuki Tsuda
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2006 Volume 3 Issue 23 Pages 499-503

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Abstract

We present details of a local high-index contrast silica waveguide that uses trenches filled with a low-refractive index material enabling bends with small radius to be used. The lateral relative refractive index difference was 8.34% and the minimum bend radius was 300µm. An 8-channel, 100GHz spacing compact arrayed-waveguide grating using waveguides with small bend radius was successfully fabricated.

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© 2006 by The Institute of Electronics, Information and Communication Engineers
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