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Opt Express. 2004 Dec 13;12(25):6372-6.

Polymeric multi-channel bandpass filters in phase-shifted Bragg waveguide gratings by direct electron beam writing.


We apply direct electron beam writing to fabricate corrugated sidewall Bragg gratings in polymer waveguides and demonstrate multi-channel passband filters based on a phase-shifted design. Experimental results are compared with numerical fittings to analyze the impact of signal polarization and waveguide cladding material upon device performance.


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