We show that an enhancement cavity seeded at the full repetition rate of the pump laser can automatically reshape small-signal gain across the interacting pulses in an optical parametric chirped-pulse amplifier for close-to-optimal operation, significantly increasing both the gain bandwidth and the conversion efficiency, in addition to boosting gain for high-repetition-rate amplification. Applied to a degenerate amplifier, the technique can provide an octave-spanning gain bandwidth.
© 2010 Optical Society of America
Original Manuscript: March 15, 2010
Manuscript Accepted: April 6, 2010
Published: June 2, 2010
Aleem M. Siddiqui, Jeffrey Moses, Kyung-Han Hong, Chien-Jen Lai, and Franz X. Kärtner, "Performance scaling via passive pulse shaping in cavity-enhanced optical parametric chirped-pulse amplification," Opt. Lett. 35, 1929-1931 (2010)