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

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...

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Bibliographic Details
Published in:Optics express 2008-10, Vol.16 (21), p.17119-17130
Main Authors: Pietroy, David, Flury, Manuel, Parriaux, Olivier, Liebig, Carl, Stoian, Razvan, Quesnel, Etienne
Format: Article
Language:English
Subjects:
Computer Simulation
Computer-Aided Design
Engineering Sciences
Equipment Design
Equipment Failure Analysis
Lasers
Lenses
Light
Models, Theoretical
Optics
Photonic
Refractometry - instrumentation
Scattering, Radiation
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Summary: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.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.16.017119