Wavelength-selective filter based on a hollow optical waveguide

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/51063

Title:	Wavelength-selective filter based on a hollow optical waveguide
Authors:	Chiu,HK;Chang,CH;Hou,CH;Chen,CC;Lee,CC
Contributors:	光電科學與工程學系
Keywords:	OMNIDIRECTIONAL REFLECTORS;BRAGG GRATINGS
Date:	2011
Issue Date:	2012-03-27 18:17:06 (UTC+8)
Publisher:	國立中央大學
Abstract:	In this paper, we describe a theoretical and experimental study of a wavelength-selective filter derived from hollow optical waveguides composed of Bragg reflectors with defect layers on a silicon substrate. The defect states of the transmission filter at wavelengths of 1519 and 1571 nm were realized using one-dimensional photonic crystals (1D PCs) formed from a-Si and SiO(2). The transmission spectra of the filter waveguides and the band structure of the defect 1D PCs were calculated using the two-dimensional finite-difference time-domain and transfer matrix methods, respectively. The device exhibited the narrow bandwidths of 0.5 and 1:1 nm for wavelengths of 1571 and 1519 nm, respectively. (C) 2011 Optical Society of America
Relation:	APPLIED OPTICS
Appears in Collections:	[Department of Optics and Photonics] journal & Dissertation

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