Fiber-ring optical resonators

Details Fiber-ring optical resonators Fiber-ring optical resonators

2005-05-10

2005-05-10

Lee, John D. (Department: 2874)

Optical waveguides

With optical coupler

Particular coupling function

C385S015000, C385S028000, C385S043000, C385S050000

Reexamination Certificate

active

06891997

ABSTRACT:
A fiber-ring optical resonator comprises a transverse segment of an optical fiber differing from adjacent segments in at least one physical property (e.g., diameter, density, refractive index, chemical composition, etc) so that it may support a resonant circumferential optical mode and enable evanescent optical coupling between the circumferential mode and an optical mode of a second optical element. The resonator may be fabricated with alignment structure(s) for enabling passive alignment of the second optical element for evanescent coupling, and/or with structure for suppressing undesired modes and/or resonances. A fiber-ring resonator may form a portion of a resonant optical filter or modulator. A plurality of optically-coupled fiber-ring resonators (formed on one or more fibers) may provide tailored spectral properties. Spatially-selective techniques for forming a fiber-ring resonator may include masking/etching, masking/deposition, laser machining, laser patterning, combinations thereof, and/or functional equivalents thereof.

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