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학술지 Mitigation of Interferometric Crosstalk by Using a Single Mode Laser with Optical Feedback in a Loop-Back WDM-PON Based on RSOA
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저자
조승현, 이한협, 이지현, 이종현, 명승일, 이상수
발행일
201211
출처
Optical Fiber Technology, v.18 no.6, pp.523-526
ISSN
1068-5200
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.yofte.2012.08.007
협약과제
12VI1200, OFDMA 기반 10Gb/s급 광링크 및 유무선 융합 액세스 네트워크 기술 개발, 명승일
초록
To alleviate the back-reflection induced interferometric crosstalk in a loop-back WDM-PON based on RSOA, we propose the use of off-the-shelf single mode operated laser with intentional optical feedback as a seeding source. For adjusting the external optical feedback quantity, we could effectively broaden the spectral linewidth of single mode operated laser output. We also experimentally demonstrated that our proposed method could enhance the up- and down-stream transmission performances under relatively lower signal to crosstalk ratio. © 2012 Elsevier Inc. All rights reserved.
키워드
Back-reflection, Interferometric crosstalk, Optical feedback, RSOA, WDM-PON
KSP 제안 키워드
Back-reflection, Down Stream, Laser output, Off-the-shelf, Signal to crosstalk ratio, Single-mode laser, Spectral linewidth, Wavelength-division-multiplexing passive optical network(WDM-PON), optical feedback