title: Performance scaling via passive pulse shaping in cavity-enhanced optical parametric chirped-pulse amplification.
abstract: 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.
authors.affiliation: Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. siddiq@mit.edu
authors.forename: Aleem M
authors.initials: AM
authors.lastname: Siddiqui
authors.forename: Jeffrey
authors.initials: J
authors.lastname: Moses
authors.forename: Kyung-Han
authors.initials: KH
authors.lastname: Hong
authors.forename: Chien-Jen
authors.initials: CJ
authors.lastname: Lai
authors.forename: Franz X
authors.initials: FX
authors.lastname: Kärtner