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학술지 Channel Enlargement of PON System Using Nonreciprocal Multiplexing Filter Based on CWDM
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저자
김봉규, 윤빈영, 권율
발행일
200904
출처
ETRI Journal, v.31 no.2, pp.231-233
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.09.0208.0346
초록
We propose a nonreciprocal filter based on coarse wavelength division multiplexing (CWDM) that reduces the upstream channel insertion loss in a passive optical network (PON). We also propose a method to increase the number of channels/optical network units (ONUs) in PON systems using the proposed filter to reduce the service cost per subscriber. Experimental results show that the PON system with the proposed 4-channel filter can reduce the power budget of the upstream and increase the number of ONUs by 3 to 4 times that of a conventional time-division multiplexing PON. © 2009 ETRI.
키워드
Fiber optics communications, Optical access network, Passive optical network (PON)
KSP 제안 키워드
Coarse wavelength-division multiplexing(CWDM), Fiber optics communications, Optical access network, Optical network unit(ONU), PON system, Passive optical network (pon), Service Cost, Time division multiplexing, Wavelength Division Multiplexing(WDM), insertion loss, power budget