Long-reach wavelength division multiplexing passive optical networks by using the position adjustment of broadband light source 광대역 비간섭성 광원의위치 조정을 이용한 정거리 전송 파장분할다중방식 수동형 광 가입자망

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An optical network system includes a central office (CO) comprising an A-band BLS to be injected into a light source for downstream signals, an A-band BLS coupling device for coupling the A-band BLS, a first wavelength-division multiplexer/demultiplexer connected to the A-band BLS coupling device for multiplexing/demultiplexing, and a plurality of first optical transceivers connected to the first wavelength-division multiplexer/demultiplexer; a remote node (RN) comprising a B-band BLS coupling device and a second wavelength-division multiplexer/demultiplexer connected to the B-band BLS coupling device for multiplexing/demultiplexing, and being connected to the CO through an optical fiber; and a plurality of optical network terminations (ONTs) including a plurality of second optical transceivers connected to the second wavelength-division multiplexer/demultiplexer, wherein either the RN or one of the plurality of ONTs further includes a B-band BLS to be injected to a light source for upstream signals.
Assignee
KAIST
Country
US (United States)
Issue Date
2009-09-29
Application Date
2007-05-10
Application Number
11747164
Registration Date
2009-09-29
Registration Number
7596317
URI
http://hdl.handle.net/10203/230157
Appears in Collection
EE-Patent(특허)
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