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학술지 Fabrication of 10-Channel Polymer Thermo-Optic Digital Optical Switch Array
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저자
한영탁, 신장욱, 박상호, 한상필, 백용순, 이철희, 노영욱, 이형종, 박효훈
발행일
200910
출처
IEEE Photonics Technology Letters, v.21 no.20, pp.1556-1558
ISSN
1041-1135
출판사
IEEE
DOI
https://dx.doi.org/10.1109/LPT.2009.2029870
협약과제
09MB1800, ROADM용 광스위치 기술개발, 백용순
초록
We present a 10-channel polymer thermo-optic digital optical switch (DOS) array with very low optical crosstalk. The 10-channel DOS array has a crosstalk-improved structure in which radiation-type attenuators are integrated in a series with a conventional 1 × 2 DOS. It is fabricated using a quartz substrate on which grid patterns for dispersion of stray light are formed to reduce the optical crosstalk. The measured crosstalk values are as low as 45 dB at a low electrical power of 50 mW. Insertion losses of less than 1.35 dB are achieved for all channels. © 2009 IEEE.
키워드
Array, Digital optical switch (DOS), Optical crosstalk, Polymer, Quartz, Silicon, Thermo-optic
KSP 제안 키워드
As 4, Digital optical switch, Electrical power, Optical crosstalk, Optical switch array, Quartz substrate, Stray light, Thermo-optic, improved structure, insertion loss