Optical coupling device for single mode optical fibers

Optical waveguides – Temporal optical modulation within an optical waveguide – Electro-optic

Reexamination Certificate

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C385S001000, C385S039000, C372S029016

Reexamination Certificate

active

07054511

ABSTRACT:
A device for coupling incident radiation to a single mode fiber optic a solid state interferormeter having a front end similar to a Mach-Zehnder integrated interferometer and a back end formed by two converging radiation channels converging at an angle θ and terminating prior to overlapping. The angle θ is calculated to produce an interference zone formed by the exiting radiation a primary constructive interference fringe that provides an optimum match to an input fiber mode of a fiber positioned within the interference zone.

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