The Effect of the Different Core Layer on Polymer Asymmetric Bragg Couplers

Fang Chang Hsu; Che Yi Liao; Xiao Han Yu; Xuan Ming Lai; Chi Ting Ho

doi:10.4028/www.scientific.net/AMM.284-287.2821

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 284-287The Effect of the Different Core Layer on Polymer...

The Effect of the Different Core Layer on Polymer Asymmetric Bragg Couplers

Abstract:

In this work, we successfully developed a process to fabricate dual-channel polymeric waveguide filters based on an asymmetric Bragg coupler using holographic interference techniques, soft lithography, and micro molding. At the cross- and self-reflection Bragg wavelengths, the transmission dips of approximately –16.5 and –11.7dB 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 0.0025.

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Periodical:

Applied Mechanics and Materials (Volumes 284-287)

Pages:

2821-2825

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.284-287.2821

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Online since:

January 2013

Authors:

Fang Chang Hsu, Che Yi Liao, Xiao Han Yu, Xuan Ming Lai, Chi Ting Ho

Keywords:

Coupler, Effective Refractive Index, Filter, Grating, Waveguide

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