Interferometer based optical devices such as amplifiers
First Claim
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1. A method for adjusting optical path length of an optical waveguide comprising the step of polishing a waveguide'"'"'s end to shorten said optical path length.
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Abstract
An improved optical module (OM) is provided by polishing the end of an optical waveguide in one of the arms of a Mach-Zehnder Interferometer to adjust its optical path length and placing mirrors against the ends of the polished waveguide ends. The result is an interferometer with two arms terminating in reflectors and one optical coupler.
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Citations
11 Claims
- 1. A method for adjusting optical path length of an optical waveguide comprising the step of polishing a waveguide'"'"'s end to shorten said optical path length.
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5. An optical module (OM) comprising:
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(a) a multi-port optical coupler having bilateral ports; and
(b) an optical waveguide connected at one end to one of said bilateral ports and having its other end adjacent an optical reflector for reflecting optical energy back into it. - View Dependent Claims (6, 7, 8, 9)
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10. An optical module (OM) of the Mach-Zehnder Interferometer (MZI) type, comprising:
a pair of optical waveguide arms each terminating in an optical reflector at one end, and each connected to a port of a multi-port optical coupler at the other end. - View Dependent Claims (11)
Specification