標題: Fabrication of optical filters based on polymer asymmetric Bragg couplers
作者: Chuang, Wei-Ching
Lee, An-Chen
Chao, Ching-Kong
Ho, Chi-Ting
機械工程學系
Department of Mechanical Engineering
公開日期: 28-Sep-2009
摘要: In this work, we successfully developed a process to fabricate dual-channel polymeric waveguide filters based on an asymmetric Bragg coupler (ABC) using holographic interference techniques, soft lithography, and micro molding. At the cross-and self-reflection Bragg wavelengths, the transmission dips of approximately -16.4 and -11.5dB relative to the 3dB background insertion loss and the 3dB transmission bandwidths of approximately 0.6 and 0.5nm were obtained from an ABC-based filter. The transmission spectrum overlaps when the effective index difference between two single waveguides is less than 0.002. (C) 2009 Optical Society of America
URI: http://hdl.handle.net/11536/6659
ISSN: 1094-4087
期刊: OPTICS EXPRESS
Volume: 17
Issue: 20
起始頁: 18003
結束頁: 18013
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