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학술지 InP-Based Polarization Insensitive Planar Waveguide Concave Grating Demultiplexer with Flattened Spectral Response
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저자
권오기, 이철욱, 이동훈, 심은덕, 김종회, 백용순
발행일
200904
출처
ETRI Journal, v.31 no.2, pp.228-230
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.09.0208.0223
협약과제
08MB2300, ROADM용 광스위치 기술개발, 백용순
초록
InP-based planar waveguide 48-channel concave grating demultiplexers with a channel spacing of 0.8 nm (100 GHz) are described and demonstrated. Polarization insensitivity and flattened spectral response are successfully achieved by the introduction of a polarization compensator and a two-focus grating, respectively. The fabricated device shows a polarization-dependent wavelength shift of less than 20 pm and a -3 dB spectral width of about 0.55 nm (68.75 GHz) over all channels.
키워드
Concave grating, Demultiplexer, Planar waveguides, Polarization, Wavelength division multiplexing
KSP 제안 키워드
5 GHz, 5 nm, Channel spacing, Concave grating(CG), InP-based, Planar waveguide, Polarization insensitivity, Polarization-dependent wavelength shift, Spectral Response, Wavelength Division Multiplexing(WDM), polarization-insensitive