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Compression of ultrashort laser pulses in planar hollow waveguides: a stability Analysis

Abstract : We investigate compression of ultrashort laser pulses by nonlinear propagation in gas-filled planar hollow waveguides, using (3+1)- dimensional numerical simulations. In this geometry, the laser beam is guided with a fixed size in one transverse dimension, generating significant spectral broadening, while it propagates freely in the other, allowing for energy up-scalability. In this respect the concept outperforms compression techniques based on hollow core fibers or filamentation. Small-scale self-focusing is a crucial consideration, which introduces mode deterioration and finally break-up in multiple filaments. The simulation results, which match well with initial experiments, provide important guidelines for scaling the few-cycle pulse generation to higher energies. Pulse compression down to few-cycle duration with energies up to 100mJ levels should be possible.
keyword : ultrafast optics
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Contributor : Aurélien Houard Connect in order to contact the contributor
Submitted on : Thursday, February 18, 2010 - 7:26:59 PM
Last modification on : Friday, December 3, 2021 - 11:34:03 AM

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Cord Arnold, Selcuk Akturk, Michel Franco, Arnaud Couairon, André Mysyrowicz. Compression of ultrashort laser pulses in planar hollow waveguides: a stability Analysis. Optics Express, Optical Society of America - OSA Publishing, 2009, 17 (13), pp.11122. ⟨10.1364/OE.17.011122⟩. ⟨hal-00457964⟩



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