Broad-bandwidth parametric amplification in the visible: femtosecond experiments and simulations

Broad-bandwidth parametric amplification in the visible: femtosecond experiments and simulations

A general geometric condition, involving group velocities, for large bandwidth parametric amplification with all types of phase-matching and in certain wavelength ranges is derived. This condition has been exploited to produce visible widely tunable sub-20-fs pulses from an optical parametric oscill...

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Veröffentlicht in:IEEE journal of selected topics in quantum electronics 1998-03, Vol.4 (2), p.224-229
Hauptverfasser: Gale, G.M., Hache, F., Cavallari, M.
Format: Artikel
Sprache:eng
Schlagworte:
Bandwidth
Frequency conversion
Geometrical optics
Nonlinear optics
Optical frequency conversion
Optical pumping
Optical solitons
Oscillators
Pulse amplifiers
Stimulated emission
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Beschreibung
Zusammenfassung:A general geometric condition, involving group velocities, for large bandwidth parametric amplification with all types of phase-matching and in certain wavelength ranges is derived. This condition has been exploited to produce visible widely tunable sub-20-fs pulses from an optical parametric oscillator and an optical parametric amplifier based on /spl beta/-barium borate (BaB/sub 2/O/sub 4/) pumped in the blue. These results are interpreted in terms of a modified soliton model for the optical parametric oscillator (OPO) and detailed numerical simulations for both devices.
ISSN:1077-260X
1558-4542
DOI:10.1109/2944.686727