Wavelength-selective filter based on a hollow optical waveguide

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题名:	Wavelength-selective filter based on a hollow optical waveguide
作者:	Chiu,HK;Chang,CH;Hou,CH;Chen,CC;Lee,CC
贡献者:	光電科學與工程學系
关键词:	OMNIDIRECTIONAL REFLECTORS;BRAGG GRATINGS
日期:	2011
上传时间:	2012-03-27 18:17:06 (UTC+8)
出版者:	國立中央大學
摘要:	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
關聯:	APPLIED OPTICS
显示于类别:	[光電科學與工程學系] 期刊論文

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