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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 5 — Mar. 1, 2009
  • pp: 689–691

High-energy, sub- 30 fs near-IR pulses from a broadband optical parametric amplifier based on collinear interaction in Bi B 3 O 6

M. Ghotbi, M. Beutler, V. Petrov, A. Gaydardzhiev, and F. Noack  »View Author Affiliations

Optics Letters, Vol. 34, Issue 5, pp. 689-691 (2009)

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We report efficient generation of tunable femtosecond pulses in the near IR using a two stage, white-light seeded, collinear, femtosecond optical parametric amplifier (OPA). The OPA, based on Bi B 3 O 6 crystal in both stages and pumped at 807 nm by a 1 kHz Ti:sapphire laser amplifier, provides sub- 30 fs signal pulses after compression with energies exceeding 200 μ J , which corresponds to fivefold pulse shortening and 30 % internal conversion efficiency in the second stage considering 150 fs pump pulses with 1.5 mJ energy. The corresponding idler pulses with more than 100 μ J have sub- 60 fs duration without compression. The first stage alone is capable of producing sub- 20 fs pulses near 1400 nm at the microjoule level without using any compression.

© 2009 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(320.7080) Ultrafast optics : Ultrafast devices
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Ultrafast Optics

Original Manuscript: December 9, 2008
Manuscript Accepted: January 4, 2009
Published: February 27, 2009

M. Ghotbi, M. Beutler, V. Petrov, A. Gaydardzhiev, and F. Noack, "High-energy, sub-30 fs near-IR pulses from a broadband optical parametric amplifier based on collinear interaction in BiB3O6," Opt. Lett. 34, 689-691 (2009)

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