Femtosecond pulse spectral synthesis in coherently-spectrally combined multi-channel fiber chirped pulse amplifiers

We demonstrate coherent spectral beam combining and femtosecond pulse spectral synthesis using three parallel fiber chirped pulse amplifiers, each amplifying different ultrashort-pulse spectra. This proof-of-concept experiment opens a path to simultaneously overcome individual-amplifier energy and p...

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Bibliographic Details
Published in:	Optics express 2013-02, Vol.21 (3), p.3897-3910
Main Authors:	Chang, Wei-zung, Zhou, Tong, Siiman, Leo A, Galvanauskas, Almantas
Format:	Article
Language:	eng
Subjects:	Amplifiers, Electronic Equipment Design Equipment Failure Analysis Fiber Optic Technology - instrumentation Lasers Signal Processing, Computer-Assisted - instrumentation
Online Access:	Get full text
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Summary:	We demonstrate coherent spectral beam combining and femtosecond pulse spectral synthesis using three parallel fiber chirped pulse amplifiers, each amplifying different ultrashort-pulse spectra. This proof-of-concept experiment opens a path to simultaneously overcome individual-amplifier energy and power limitations, as well as limitations on amplified pulse spectra due to the gain narrowing in a single fiber amplifier.
ISSN:	1094-4087 1094-4087