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Optics Letters

Optics Letters


  • Vol. 20, Iss. 17 — Sep. 1, 1995
  • pp: 1785–1787

Group-velocity mismatch compensation in continuous-wave lasers mode locked by second-order nonlinearities

G. Cerullo, V. Magni, and A. Monguzzi  »View Author Affiliations

Optics Letters, Vol. 20, Issue 17, pp. 1785-1787 (1995)

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A group-velocity mismatch compensation technique has been applied to cw Nd:YAG and Nd:YLF lasers mode locked by use of the nonlinear reflectivity or the nonlinear phase shift that arises from the intracavity parametric interaction of a pulse with its second harmonic. An intracavity birefringent plate, which delays the fundamental wavelength pulse with respect to the second-harmonic pulse, compensates for the opposite effect that arises in the second-harmonic crystal. Compensation reduces the pulse duration by a factor of 2 and allows pulses of 5.1 and 5.9 ps to be obtained from Nd:YLF and Nd:YAG lasers, respectively.

© 1995 Optical Society of America

Original Manuscript: May 24, 1995
Published: September 1, 1995

G. Cerullo, V. Magni, and A. Monguzzi, "Group-velocity mismatch compensation in continuous-wave lasers mode locked by second-order nonlinearities," Opt. Lett. 20, 1785-1787 (1995)

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