Sharply bent hollow optical waveguides formed by an omni-directional reflector

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/28153

Title:	Sharply bent hollow optical waveguides formed by an omni-directional reflector
Authors:	Chiu,HK;Hsu,CM;Lo,SS;Chen,CC;Lee,CC
Contributors:	光電科學研究所
Keywords:	CRYSTAL BEAM-SPLITTERS;LIGHT;PHYSICS
Date:	2009
Issue Date:	2010-06-29 19:42:36 (UTC+8)
Publisher:	中央大學
Abstract:	In this work, we demonstrate theoretically and experimentally the air core bent optical waveguide composed of omni-directional reflectors on a silicon substrate. Amorphous silicon and silicon oxide are used for high index-contrast Bragg reflectors. The transmission efficiency of power for the bent optical waveguide with various bending angles of 1 degrees-90 degrees is calculated by the two-dimensional finite-difference time-domain method and the three-dimensional beam propagation method. The sample is measured using the end-butt method. The device exhibits a lower polarization dependent loss at the operation wavelength of 1550 nm.
Relation:	JOURNAL OF PHYSICS D-APPLIED PHYSICS
Appears in Collections:	[Graduate Institute of Optics and Photonics] journal & Dissertation

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