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Polymeric Wavelength Filter Based on a Bragg Grating Using Nanoimprint Technique  

Ahn, Seh-Won (LG전자기술원 소자재료연구소)
Lee, Ki-Dong (LG전자기술원 소자재료연구소)
Kim, Do-Hwan (광운대학교 전자공학과)
Chin, Won-Jun (광운대학교 전자공학과)
Lee, Sang-Shin (광운대학교 전자공학과)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers C / v.55, no.5, 2006 , pp. 267-271 More about this Journal
Abstract
A polymeric waveguide-type wavelength filter based on a Bragg grating has been proposed and fabricated using the simple nanoimpring technique, for the first time to our knowledge. An ultraviolet transparent stamp with the single-mode waveguide pattern incorporating a surface-relief-type Bragg grating was specially designed selective dry-etching process. Using this stamp, the device fabrication was substantially involving just a single-step process of imprint followed by polymer spin-coating. The achieved maximum reflection was higher than 25 dB at the center wavelength of 1569 nm. And the 3-dB bandwidth was 0.8 nm for the device length of 1.5 cm.
Keywords
Nanoimpring; Bragg Grating; Photonic Wavelength Filter; Polymer; Optical Filter;
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