3 x 3 waveguide coupler for bidirectional dual wavelength...

G - Physics – 02 – B

Patent

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G02B 6/26 (2006.01) G02B 6/34 (2006.01) G02B 6/28 (2006.01)

Patent

CA 2203751

The invention provides an optic coupler for a fiber optic system, having a single coupler, a first optical port, 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.

L'invention est un coupleur optique pour système à fibres optiques, ce coupleur optique étant constitué d'un coupleur simple, d'un premier port optique, d'un second port optique, d'un port de système et d'un port de détection. Le premier port optique réagit à la réception d'un signal lumineux en produisant un premier signal lumineux direct. Le second port optique réagit à la réception d'un signal lumineux en produisant un second signal lumineux direct. Le coupleur simple réagit à la réception du premier signal lumineux direct et du second signal lumineux direct en produisant un signal lumineux direct combiné. Il réagit également à la réception d'un signal lumineux inverse combiné en produisant un premier et un second signaux lumineux inverses. Le port de système reçoit le premier et le second signaux lumineux directs et les transmet au système à fibres optiques. Il reçoit également le signal lumineux inverse combiné et le transmet au coupleur simple. Le port de détection reçoit le premier et le second signaux lumineux inverses et les transmet au détecteur.

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