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Opt Lett. 2005 Nov 1;30(21):2921-3.

Pump-noise transfer in optical parametric chirped-pulse amplification.

Author information

  • 1Centre National de la Recherche Scientifique, Commissariat a l'Energie Atomique, Ecole Polytechnique, Université Pierre et Marie Curie, Ecole Polytechnique, 91128 Palaiseau, France. nicolas.forget@polytechnique.fr

Abstract

We report on direct observation of temporal contrast degradation of short pulses amplified by optical parametric chirped-pulse amplification. We show that, despite injection seeding, quantum-noise-induced fast modulations (< 50 ps) of the temporal profile of the pump pulse are imprinted on the spectrum of the amplified chirped pulse and give rise to a large picosecond pedestal in the time domain.

PMID:
16281322
[PubMed]
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