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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.10
- 수록면
- 514 - 524 (11page)
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We proposed an integrated wavelength-selective photodetector based on a grating-assisted contradirectionalcoupler and a graphene absorption layer for a coarse wavelength division multiplexing (CWDM)communication system. The center wavelength of the absorption spectrum of the proposed device can betuned simply by changing the period of the grating, and the proposed device structure is suitable to forminga cascaded structure. Therefore, an array of the proposed device of different grating periods can be usedfor simultaneous wavelength demultiplexing and signal detection in a CWDM communication system. Ourtheoretical study showed that the designed device with a grating length of 500 μm could have an absorptionof 95.1%, an insertion loss of 0.2 dB, and a 3 dB bandwidth of 7.5 nm, resulting in a -14 dB crosstalkto adjacent CWDM channels. We believe that the proposed device array can provide a compact and economicsolution to receiver implementation in the CWDM system by combining functions of wavelengthdemultiplexing and signal detection.
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참고문헌 (28)
참고문헌 신청
X. J. Leijtens / 2006 / Wavelength Filters in Fibre Optics / Springer
T. Numai / 1993 / Semiconductor wavelength tunable optical filters / Int. J. Nonlinear Opt. Phys 2(4):643~659
T. Barwicz / 2004 / Microring-resonatorbased add-drop filters in SiN: fabrication and analysis / Opt. Express 12(7):1437~1442
L. Dong / 1996 / Novel add/drop filters for wavelength-divisionmultiplexing optical fiber systems using a Bragg grating assisted mismatched coupler / IEEE Photon. Technol. Lett 8(12):1656~1658
C. Riziotis / 2001 / Design considerations in optical add/drop multiplexers based on grating-assisted null couplers / J. Lightwave Technol 19(1):92~104
T. Numai / 1993 / Semiconductor wavelength tunable optical filters / Int. J. Nonlinear Opt. Phys 2(4):643~659
T. Barwicz / 2004 / Microring-resonatorbased add-drop filters in SiN: fabrication and analysis / Opt. Express 12(7):1437~1442
L. Dong / 1996 / Novel add/drop filters for wavelength-divisionmultiplexing optical fiber systems using a Bragg grating assisted mismatched coupler / IEEE Photon. Technol. Lett 8(12):1656~1658
C. Riziotis / 2001 / Design considerations in optical add/drop multiplexers based on grating-assisted null couplers / J. Lightwave Technol 19(1):92~104
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