Optical waveguides – With optical coupler – Particular coupling structure
Reexamination Certificate
2008-07-22
2009-06-30
Le, Uyen Chau N (Department: 2874)
Optical waveguides
With optical coupler
Particular coupling structure
Reexamination Certificate
active
07555179
ABSTRACT:
An optical microresonator is formed as a microcylinder and a resonant waveguide on the microcylinder and having a plurality of spaced resonant elements such as circumferential ridges for optically coupling light from an optical source waveguide onto the microcylinder. The resonant elements have a spacing, height and angle to impart a desire polarization and bring in the polarization states into degenerancy. A coating could also be formed over the resonant waveguide and operative with the resonant waveguide and of a refractive index to bring any polarization states into degenerancy.
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Moon et al., “Cylindrical Microcavity Laser Based on the Evanescent-Wave-Coupled Gain,” Physical Review Letters, vol. 85, No. 15, Oct. 9, 2000, pp. 3161-3164.
DeRoy Michael
Lange Michael R.
Montgomery Robert M.
Allen Dyer Doppelt Milbrath & Gilchrist, P.A.
Harris Corporation
Le Uyen Chau N
Tran Hoang
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