Simultaneous femtosecond-pulse compression and second-harmonic generation in aperiodically poled KTiOPO_4
Pablo Loza‐ÁlvarezSchool of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife KY16 9SS, UKDerryck T. ReidSchool of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife KY16 9SS, UKPeter FallerSchool of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife KY16 9SS, UKM. Ebrahim-ZadehSchool of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife KY16 9SS, UKW. SibbettSchool of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife KY16 9SS, UKHåkan KarlssonRoyal Institute of Technology, Lindstedtsvägen 24, 100 44 Stockholm, SwedenFredrik LaurellRoyal Institute of Technology, Lindstedtsvägen 24, 100 44 Stockholm, Sweden
1999en
ABI
Аннотация
We report both extracavity and intracavity simultaneous second-harmonic generation and compression of pulses at 1.25 mum from a synchronously pumped RbTiOAsO(4) -based optical parametric oscillator, using an aperiodically poled crystal of KTiOPO(4) . The 290-fs input pulses were temporally compressed to 120 fs, with average output powers as great as 120 mW. The experimental results are compared with a numerical model that uses data obtained by characterization of the input pulses by use of the frequency-resolved optical gating technique.
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