We predict that employing a Bragg grating to simultaneously phase match and induce large temporal walk-off between the signal and slow propagating pump in a nonlinear crystal can be conducive to development of passively mode locked optical parametric oscillators in which cw near-infrared pump is efficiently converted into short middle-infrared pulses.
© 2008 Optical Society of America
Original Manuscript: October 15, 2007
Revised Manuscript: November 23, 2007
Manuscript Accepted: November 28, 2007
Published: January 9, 2008
Jacob B. Khurgin, J.-M. Melkonian, Antoine Godard, and E. Rosencher, "Passively mode-locked slow pump optical parametric oscillators," Opt. Lett. 33, 153-155 (2008)