title: Tunable ultrashort laser pulses generated through filamentation in gases.
abstract: Tunable and stable ultrashort laser pulses in the visible spectrum are generated with high efficiency by four-wave mixing process during the filamentation of near-infrared and infrared laser pulses in gases. It is shown that these tunable ultrashort pulses have a very low energy fluctuation and an excellent mode quality due to the processes of intensity clamping and self-filtering in the filament.
authors.affiliation: Centre d'Optique, Photonique et Laser, COPL, and Département de physique, de génie physique et d'optique, Université Laval, Québec, Québec G1K 7P4, Canada.
authors.forename: Francis
authors.initials: F
authors.lastname: Théberge
authors.forename: Neset
authors.initials: N
authors.lastname: Aközbek
authors.forename: Weiwei
authors.initials: W
authors.lastname: Liu
authors.forename: Andreas
authors.initials: A
authors.lastname: Becker
authors.forename: See Leang
authors.initials: SL
authors.lastname: Chin