Title :
Efficient femtosecond traveling-wave optical parametric amplification in periodically poled KTiOPO/sub 4/
Author :
Rotermund, Fabian ; Petrov, V. ; Noack, F. ; Pasiskevicius, V. ; Hellstrom, J. ; Laurell, F.
Author_Institution :
Max-Born-Inst. for Nonlinear Opt. & UltrafastSpectroscy, Berlin, Germany
Abstract :
Summary form only given. Group velocity mismatch (GVM) which determines the nonlinear interaction length in ultrafast parametric processes limits the useful length of the nonlinear medium and increases threshold of the parametric process. Quasi-phase-matched nonlinear materials provide higher nonlinear coefficients d/sub eff/ in noncritical interaction and can potentially offset the GVM-related increase in threshold. We report on the experiments of a seeded traveling wave optical parametric amplifier (OPA) based on periodically poled KTiOPO/sub 4/ (PPKTP) with femtosecond pumping near 800 nm.
Keywords :
dielectric polarisation; optical materials; optical parametric amplifiers; optical phase matching; optical pulse generation; optical pumping; potassium compounds; titanium compounds; travelling wave amplifiers; 800 nm; KTiOPO/sub 4/; femtosecond pumping; femtosecond traveling-wave optical parametric amplification; group velocity mismatch; noncritical interaction; nonlinear coefficients; nonlinear interaction length; nonlinear medium; parametric process; periodically poled materials; quasi-phase-matched nonlinear materials; seeded traveling wave optical parametric amplifier; ultrafast parametric processes; Nonlinear optics; Stimulated emission; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics, 2000. (CLEO 2000). Conference on
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
1-55752-634-6
DOI :
10.1109/CLEO.2000.907136
