Phase-only synthesis of ultrafast stretched square pulses

We report the generation of square temporal-shape pulses with no loss of spectral bandwidth, using an analytic expression for the spectral phase modulation dependent only on the input spectrum and stretching factor. We demonstrate numerically and experimentally conversion of 40fs pulses into 150 tim...

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Bibliographic Details
Published inOptics express Vol. 23; no. 21; pp. 27105 - 27112
Main Authors Lozovoy, Vadim V, Rasskazov, Gennady, Ryabtsev, Anton, Dantus, Marcos
Format Journal Article
LanguageEnglish
Published United States 19.10.2015
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Summary:We report the generation of square temporal-shape pulses with no loss of spectral bandwidth, using an analytic expression for the spectral phase modulation dependent only on the input spectrum and stretching factor. We demonstrate numerically and experimentally conversion of 40fs pulses into 150 times longer flat top pulses with sharp on and off fronts. Applications in pulse amplification and free electron lasers are considered.
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content type line 23
ISSN:1094-4087
1094-4087
DOI:10.1364/oe.23.027105