title: Narrow-bandwidth, ~100 ps seeded optical parametric generation in CdSiP2 pumped by Raman-shifted pulses at 1198 nm.
abstract: Low-threshold, efficient optical parametric generation at ~4.64 μm is demonstrated using CdSiP2 nonlinear crystal pumped by 150 ps Raman shifted pump pulses at 1198 nm in noncritical configuration at 1 kHz repetition rate. Maximum single pulse idler energy of 6 μJ and total conversion efficiency of 30% are achieved. Seeding at the signal wavelength with a distributed feedback laser diode enables ~25 fold narrowing of the bandwidths down to ~10 GHz, resulting in a Fourier product of ~1 for the ~100 ps long signal (1615 nm) and idler (4.64 μm) pulses.
authors.affiliation: Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy, Berlin, Germany.
authors.forename: Georgi
authors.initials: G
authors.lastname: Marchev
authors.forename: Federico
authors.initials: F
authors.lastname: Pirzio
authors.forename: Riccardo
authors.initials: R
authors.lastname: Piccoli
authors.forename: Antonio
authors.initials: A
authors.lastname: Agnesi
authors.forename: Giancarlo
authors.initials: G
authors.lastname: Reali
authors.forename: Peter G
authors.initials: PG
authors.lastname: Schunemann
authors.forename: Kevin T
authors.initials: KT
authors.lastname: Zawilski
authors.forename: Aleksey
authors.initials: A
authors.lastname: Tyazhev
authors.forename: Valentin
authors.initials: V
authors.lastname: Petrov