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Applied Optics

Applied Optics


  • Vol. 37, Iss. 12 — Apr. 20, 1998
  • pp: 2411–2413

Automatic time delay optimization between the pump and seed pulses of a broadly tunable femtosecond optical parametric amplifier

Eric Freysz, Joel Plantard, Remy Gillet, Rysvan Maleck Rassoul, Philippe Grelu, and André Ducasse  »View Author Affiliations

Applied Optics, Vol. 37, Issue 12, pp. 2411-2413 (1998)

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We propose a scheme for optimizing the time delay between the pump and seed pulses of an optical parametric amplifier (OPA) over a large spectral range. The efficiency of this method is demonstrated for a femtosecond BBO parametric amplifier seeded with a white-light continuum pulse. The error signal used for intensity stabilization results from a modulation of the temporal delay between the pump and the continuum pulses and phase-sensitive detection of the amplified signal. It allows us to lock the delay to the position that maximizes the OPA gain.

© 1998 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(320.7120) Ultrafast optics : Ultrafast phenomena
(350.4600) Other areas of optics : Optical engineering

Original Manuscript: October 14, 1997
Published: April 20, 1998

Eric Freysz, Joel Plantard, Remy Gillet, Rysvan Maleck Rassoul, Philippe Grelu, and André Ducasse, "Automatic time delay optimization between the pump and seed pulses of a broadly tunable femtosecond optical parametric amplifier," Appl. Opt. 37, 2411-2413 (1998)

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