Agent
John A. Miller
Applicant
NORTHROP GRUMMAN SYSTEMS CORPORATION
Grantee
NORTHROP GRUMMAN SYSTEMS CORPORATION
Primary examiner
Mark Hellner
Application number
14483887
Kind
B1
Document number
9036252
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Nonlinear Spectrally Narrowed Fiber Amplifier

9036252 - 14483887 - USPTO

Application Sep 11, 2014 - Publication May 19, 2015

Gregory D. Goodno Peter A. Thielen Joshua E. Rothenberg

Abstract

A fiber amplifier system including at least one seed source providing an optical seed beam and a harmonic driver providing a sinusoidal drive signal at a predetermined frequency. The system also includes a harmonic phase modulator that receives the seed beam and the drive signal, where the harmonic phase modulator frequency modulates the seed beam using the drive signal so as to remove optical power from a zeroth-order frequency of the seed beam and create sidebands separated by the frequency of the drive signal. A dispersion element receives the frequency modulated seed beam and provides temporal amplitude modulation to the seed beam and a nonlinear fiber amplifier receives the amplitude modulated seed beam from the dispersion element and amplifies the seed beam, where the dispersion element and the fiber amplifier combine to remove optical power from the sidebands and put optical power back into the zeroth-order frequency.

Description

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