A Mysyrowicz et al 2008 New J. Phys. 10 025023 doi:10.1088/1367-2630/10/2/025023
A Mysyrowicz1,4, A Couairon2 and U Keller3
Show affiliationsPart of Focus on Attosecond Physics
During the propagation of intense femtosecond laser pulses in a transparent medium, pulse shortening can occur without external guiding. Experimental evidence for this effect and a description of its physical origin are presented. Nearly single cycle pulses at 800 nm with an energy of 0.120 mJ can be obtained with excellent beam quality. Carrier envelope offset phase (CEP) stability is conserved or even improved after the nonlinear propagation stage. Prospects for further improvement are discussed.
42.65.Re Ultrafast processes; optical pulse generation and pulse compression
Issue 2 (February 2008)
Received 24 September 2007
Published 29 February 2008
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