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Ultrashort-pulse high-power Yb3+-doped fiber amplifiers

Yahel, E, Hess, O and Hardy, AA (2007) Ultrashort-pulse high-power Yb3+-doped fiber amplifiers IEEE JOURNAL OF QUANTUM ELECTRONICS, 43 (9-10). 824 - 832. ISSN 0018-9197

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Abstract

Ultrashort optical pulse propagation in high-power Yb3+ -doped fiber amplifiers (YDFA) is studied using a spectrally resolved nonlinear power equation for the coupled pulse components. The Yb3+ ions transitions are modeled using a rate equation. Examples for high-power YDFAs with normal dispersion show good qualitative agreement with experimental results. We analyze the effects of the incident pulse wavelength, pulse peak power, Yb3+ concentration, pump filling factor, fiber length, pumping configuration, pump power and nonlinear index, on the intensity distribution of short amplified pulses. We also demonstrate the spectral compression of an initially negative-chirped pulse.

Item Type: Article
Uncontrolled Keywords: Science & Technology, Technology, Physical Sciences, Engineering, Electrical & Electronic, Optics, Physics, Applied, Engineering, Physics, optical fiber amplifiers, optical fiber dispersion, optical fiber theory, optical pulse amplifiers, ytterbium (Yb), SELF-SIMILAR PROPAGATION, YTTERBIUM-DOPED FIBER, PARABOLIC PULSES, OPTICAL-FIBERS, AVERAGE-POWER, AMPLIFICATION, DISPERSION, EQUATION, LASERS, NOISE
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Divisions: Faculty of Engineering and Physical Sciences > Physics
Depositing User: Mr Adam Field
Date Deposited: 27 May 2010 14:05
Last Modified: 23 Sep 2013 18:25
URI: http://epubs.surrey.ac.uk/id/eprint/93

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