3.times.3 waveguide coupler for bidirectional dual wavelength tr

Details 3.times.3 waveguide coupler for bidirectional dual wavelength tr 3.times.3 waveguide coupler for bidirectional dual wavelength tr

1996-05-09

1998-08-18

Ullah, Akm E.

Optical waveguides

With optical coupler

G02B 626

Patent

active

057968853

ABSTRACT:
The invention provides an optic coupler for a fiber optic system, having a single coupler, a first optical, a second optical port, a system port and a detector port. The first optical port responds to and provides a first forward optical signal. The second optical port responds to and provides a second forward optical signal. The single coupler responds to the first forward optical signal and the second forward optical signal, for providing a coupled first and second forward optical signal. The single coupler also responds to a combined first and second reverse optical signal, for providing a coupled first and second reverse optical signal. The system port responds to and provides the coupled first and second forward optical signal to the fiber optic system. The system port also responds to and provides the combined first and second reverse optical signal to the single coupler. The detector port responds to and provides the coupled first and second reverse optical signal to a detector.

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