Coherent light generators – Particular beam control device – Modulation
Reexamination Certificate
2011-06-21
2011-06-21
Harvey, Minsun (Department: 2828)
Coherent light generators
Particular beam control device
Modulation
C372S020000, C372S032000, C398S162000
Reexamination Certificate
active
07965745
ABSTRACT:
Among others, RF receivers based on whispering gallery mode resonators are described. In one aspect, a photonic RF device includes a laser that is tunable in response to a control signal and produces a laser beam at a laser frequency. The RF device includes a first optical resonator structured to support a whispering gallery mode circulating in the first optical resonator, the optical resonator being optically coupled to the laser to receive a portion of the laser beam into the optical resonator in the whispering gallery mode and to feed laser light in the whispering gallery mode in the optical resonator back to the laser to stabilize the laser frequency at a frequency of the whispering gallery mode and to reduce a linewidth of the laser. The RF device includes a second optical resonator made of an electro-optic material to support a whispering gallery mode circulating in the optical resonator.
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Ilchenko Vladimir
Maleki Lutfollah
Seidel David
Harvey Minsun
Niu Xnning
OEwaves, Inc.
Perkins Coie LLP
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