Homodyne optical receiver equipment

Details Homodyne optical receiver equipment Homodyne optical receiver equipment

H - Electricity

04

B

H04B 10/12 (2006.01) H04B 10/148 (2006.01)

Patent

CA 2052834

A homodyne optical receiver equipment has a polarization beam splitter for dividing an optical signal into an optical signal with horizontal polariza- tion and an optical signal with vertical polarization; optical couplers for combining two optical signals of the two poalrized components with two optical local signals, which are almost matched therewith in the polarization, in a state where they are matched with each other in the phase, respectively; detectors for homodyne-detecting respective output optical signals of the optical couplers; two weighting circuits for giving output signals of the detectors weights approxi- mately proportinal to amplitudes thereof, respectively; and an adder, which adds output signals of said weighting circuits to each other.

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