Fiber optical parametric chirped-pulse amplification in the femtosecond regime

We study parametric amplification in optical fibers for chirped-pulse femtosecond laser systems. Compared to conventional OPCPA operating in bulk crystals, the fiber geometry offers a greater interaction length and spatial confinement, an increased flexibility in the choice of wavelengths for signal...

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Bibliographic Details
Published inOptics express Vol. 14; no. 7; pp. 2783 - 2790
Main Authors Hanna, Marc, Druon, Frédéric, Georges, Patrick
Format Journal Article
LanguageEnglish
Published United States Optical Society of America - OSA Publishing 03.04.2006
Subjects
Engineering Sciences
Optics
Photonic
Physics
Parametric oscillators and amplifiers
fibers
Ultrafast processes in fibers
Nonlinear optics
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Summary:We study parametric amplification in optical fibers for chirped-pulse femtosecond laser systems. Compared to conventional OPCPA operating in bulk crystals, the fiber geometry offers a greater interaction length and spatial confinement, an increased flexibility in the choice of wavelengths for signal and pump beams, and the robustness of fiber setups. As opposed to rare-earth doped fibers, parametric amplifiers potentially provide wideband amplification in arbitrary regions of the spectrum. Numerical simulations are undertaken as a proof of principle for a picosecond 1064 nm pump and femtosecond 1025 nm signal. Guidelines for phase matching engineering are given, and limitations in spectral bandwidth and achievable pulse energy are discussed.
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ISSN:1094-4087
1094-4087
DOI:10.1364/oe.14.002783