Coherent light generators – Particular component circuitry – Having noise suppression circuitry
Reexamination Certificate
2011-06-28
2011-06-28
Harvey, Minsun (Department: 2828)
Coherent light generators
Particular component circuitry
Having noise suppression circuitry
C356S486000
Reexamination Certificate
active
07970032
ABSTRACT:
The present invention relates to a method and device for reducing the phase noise of a laser signal from a laser source. This device comprises a first current generator for supplying a driving current to the laser source in view of producing the laser signal. A phase noise detector is responsive to the laser wavelength for generating a phase error signal and a second current generator is responsive to the phase error signal for generating a compensation current added to the driving current supplied to the laser source for generating a phase-adjusted laser signal. The device therefore defines a phase stabilization loop formed by the phase noise detector and the second current generator, for reducing the phase noise of the laser signal.
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Harvey Minsun
K&L Gates LLP
Nguyen Tuan N.
Sensilaser Technologies Inc.
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