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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 11, Iss. 11 — Jun. 2, 2003
  • pp: 1297–1302

High-peak power nanosecond optical parametric amplifier with periodically poled KTP

A. Fragemann, V. Pasiskevicius, G. Karlsson, and F. Laurell  »View Author Affiliations

Optics Express, Vol. 11, Issue 11, pp. 1297-1302 (2003)

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A two-stage optical parametric amplifier generating 5 ns 208 kW peak power pulses in the spectral region at 1.535 µm in a diffraction-limited beam was realized in a single periodically poled KTP crystal. The maximum small-signal gain for the two stages reached 75dB and the total conversion efficiency was 30%. An analysis of the small-signal gain dependence on the M2 of the pump beam is presented for the collinear and noncollinear OPA. Efficient spectral broadening of the signal was demonstrated in short pieces of single-mode telecommunication fiber.

© 2003 Optical Society of America

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

ToC Category:
Research Papers

Original Manuscript: May 7, 2003
Revised Manuscript: May 16, 2003
Published: June 2, 2003

A. Fragemann, Valdas Pasiskevicius, G. Karlsson, and F. Laurell, "High-peak power nanosecond optical parametric amplifier with periodically poled KTP," Opt. Express 11, 1297-1302 (2003)

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