Wavelength division multiplex optical star coupler,...

Details Wavelength division multiplex optical star coupler,... Wavelength division multiplex optical star coupler,...

2005-04-19

2005-04-19

Chan, Jason (Department: 2633)

Optical communications

Multiplex

Broadcast and distribution system

C398S063000

Reexamination Certificate

active

06882801

ABSTRACT:
A wavelength division multiplex optical star coupler comprises an input port which inputs a first optical signal, a first optical coupler which divides the first optical signal input from the input port into a plurality of first optical signals, a plurality of input/output ports, each of which outputs one of the plurality of first optical signals divided by the first optical coupler and inputs a second optical signal, an output port which outputs the second optical signal, and a second optical coupler, provided between the input port and the first optical coupler or between the first optical coupler and the input/output ports, which provides the first optical signal to the input/output ports and the second optical signal to the output port.

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patent: 5926298 (1999-07-01), Li
patent: 5936753 (1999-08-01), Ishikawa

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