Title:
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Picosecond difference-frequency-generation in orientation-patterned gallium phosphide
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Author:
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Casals, J.; Parsa, S.; Chaitanya Kumar, S.; Devi, K.; Schunemann, P. G.; Ebrahim-Zadeh, M.
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Other authors:
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Universitat Politècnica de Catalunya. Institut de Ciències Fotòniques |
Abstract:
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We report the generation of tunable high-repetition-rate picosecond radiation in the
mid-infrared using the new quasi-phase-matched nonlinear material of orientation-patterned
gallium phosphide (OP-GaP). The source is realized by single-pass difference-frequencygeneration
(DFG) between the output signal of a picosecond optical parametric oscillator
(OPO) tunable across 1609-1637 nm with input pump pulses at 1064 nm in OP-GaP, resulting
in tunable radiation across 3040-3132 nm. Using a 40-mm-long crystal, we have generated up
to 57 mW of DFG average power at ~80 MHz repetition rate for a pump power of 5 W and
signal power of 0.9 W, with >30 mW over >50% of the tuning range. The DFG source
exhibits a passive power stability better than 3.2% rms over 1 hour in good spatial beam
quality. To the best of our knowledge, this is the first picosecond frequency conversion source
based on OP-GaP |
Abstract:
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Peer Reviewed |
Subject(s):
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-Àrees temàtiques de la UPC::Física -Optical parametric oscillators -optical parametric oscillator -Oscil·ladors -- PFC |
Rights:
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Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
Document type:
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Article - Published version Article |
Published by:
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OSA
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