Ultrashort laser pulse splitting upon resonant reflection on a mirror-based waveguide grating

Abstract : A resonant waveguide grating based on a high reflectivity mirror causes a 2pi phaseshift of adjustable slope in the spectrum of an ultrashort light pulse, giving rise to a controllable, lossless temporal pulse splitting. This monolithic phase shifter can simply be placed on the path of the beam as a mirror. A functional element was designed and fabricated. Temporal splitting of a femtosecond laser pulse is experimentally demonstrated. The possibility of obtaining variable delay between subpulses is theoretically discussed.
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Submitted on : Tuesday, October 28, 2008 - 7:17:50 PM
Last modification on : Monday, February 25, 2019 - 4:34:17 PM

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David Pietroy, Manuel Flury, Olivier Parriaux, Carl Liebig, Razvan Stoian, et al.. Ultrashort laser pulse splitting upon resonant reflection on a mirror-based waveguide grating. Optics Express, Optical Society of America, 2008, 16 (21), pp.17119-17130. ⟨ujm-00335243⟩

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