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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 19 — Sep. 18, 2006
  • pp: 8728–8736

Broadly tunable picosecond narrowband pulses in a periodically-poled KTiOPO4 parametric amplifier

M. Tiihonen, V. Pasiskevicius, and F. Laurell  »View Author Affiliations

Optics Express, Vol. 14, Issue 19, pp. 8728-8736 (2006)

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A picosecond double-pass periodically poled KTiOPO4 (PPKTP) noncollinear parametric amplifier that delivers tunable and narrowband outputs between 1.1 µm and 1.65 µm is reported. The seed source is an ultra-broadband emitting PPKTP collinear parametric generator, which is spectrally narrowed, from a bandwidth of 80 THz to about 0.3 THz, by a Fourier-filtering arrangement. A parametric gain of 70 dB is measured with preserved spectral bandwidth, resulting in a signal energy of 6.5 µJ at a pump energy of 60 µJ from the Ti:sapphire regenerative amplifier. The total energy-budget for the setup is less than 100 µJ with an optical-to-optical efficiency of 12 %. This particular system is scalable to even lower pump energies by tighter focusing arrangements.

© 2006 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.7110) Nonlinear optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

Original Manuscript: May 17, 2006
Revised Manuscript: August 22, 2006
Manuscript Accepted: August 25, 2006
Published: September 18, 2006

M. Tiihonen, V. Pasiskevicius, and F. Laurell, "Broadly tunable picosecond narrowband pulses in a periodically-poled KTiOPO4 parametric amplifier," Opt. Express 14, 8728-8736 (2006)

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