A gated optical amplifier for a PON includes an input for receiving an optical signal to be amplified, an output for outputting and amplified optical signal, an optical amplifier device for amplifying an optical input thereto, a detector, and an optical switch for allowing the amplified optical signal to leave the output upon the detector detecting the presence of an optical signal of a predetermined magnitude.
申请公布号
EP0815659(B1)
申请公布日期
2000.05.10
申请号
EP19960908198
申请日期
1996.03.22
申请人
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人
LOBBETT, ROY, ANDREW;PAYNE, DAVID, BRIAN;COOK, ANDREW, ROBERT, JOHN