Femtosecond Kerr-lens mode locking with negative nonlinear phase shifts
Optics Letters, Vol. 24, Issue 3, pp. 166-168 (1999)
http://dx.doi.org/10.1364/OL.24.000166
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Abstract
We report a Kerr-lens mode-locked Cr:forsterite laser operated with negative nonlinear phase shift. The nonlinear phase shift is induced by the cascade χ(2`):χ(2) process in a lithium triborate crystal. Employing the cascade process at large phase mismatch produces a nearly linear frequency chirp. Transform-limited pulses as short as 60 fs are generated with positive cavity dispersion.
[Optical Society of America ]
OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(320.7090) Ultrafast optics : Ultrafast lasers
Citation
L.J. Qian, X. Liu, and F.W. Wise, "Femtosecond Kerr-lens mode locking with negative nonlinear phase shifts," Opt. Lett. 24, 166-168 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-3-166
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