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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.2
- 수록면
- 1 - 6 (6page)
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Degradation of bit-error-rate (BER), caused by atmospheric turbulence, seriously hinders the performanceof coherent Free Space Optical (FSO) communication systems. An adaptive optics system proves to beeffective in suppressing the atmospheric turbulence. The holographic modal wavefront sensor (HMWFS)proposed in our previous work, noted for its fast detecting rates and insensitivity to beam scintillation,is applied to the coherent FSO communication systems. In this paper, based on our previous work, wefirst introduce the principle of the HMWFS in brief and give the BER of the coherent FSO with homodynedetection in theory, and then analyze the improvement of BER for a coherent FSO system based on ourprevious simulation works. The results show that the wavefront sensor we propose is better for weakatmospheric turbulence. The most obvious advantages of HMWFS are fast detecting rates and insensitivityto beam scintillation.
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참고문헌 (29)
참고문헌 신청
L. Wei / 2016 / Performance evaluation of coherent free space optical communications with a double-stage fast-steeringmirror adaptive optics system depending on the Greenwood frequency / Opt. Express 24:13288~13302
J. Ma / 2015 / Performance analysis of satellite-to-ground downlink coherent optical communications with spatial diversity over Gamma-Gamma atmospheric turbulence / Appl. Opt 54:7575~7585
D. Geng / 2014 / Single laser free-space duplex communication system with adaptive threshold technique and BER analysis in weak turbulent atmosphere / Opt. Letters 39:3950~3953
R. M. Rennie / 2012 / Wavefront measurements of a laser-induced breakdown spark in still air / Appl. Opt 51:2306~2314
W. Liu / 2014 / Bit error rate analysis with real-time pointing errors correction in free space optical communication system / Optik 12:324~328
J. Ma / 2015 / Performance analysis of satellite-to-ground downlink coherent optical communications with spatial diversity over Gamma-Gamma atmospheric turbulence / Appl. Opt 54:7575~7585
D. Geng / 2014 / Single laser free-space duplex communication system with adaptive threshold technique and BER analysis in weak turbulent atmosphere / Opt. Letters 39:3950~3953
R. M. Rennie / 2012 / Wavefront measurements of a laser-induced breakdown spark in still air / Appl. Opt 51:2306~2314
W. Liu / 2014 / Bit error rate analysis with real-time pointing errors correction in free space optical communication system / Optik 12:324~328
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