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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 22, Iss. 2 — Jan. 15, 1997
  • pp: 105–107

Fiber-laser-based femtosecond parametric generator in bulk periodically poled LiNbO3

A. Galvanauskas, M. A. Arbore, M. M. Fejer, M. E. Fermann, and D. Harter  »View Author Affiliations


Optics Letters, Vol. 22, Issue 2, pp. 105-107 (1997)
http://dx.doi.org/10.1364/OL.22.000105


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Abstract

A diode-pumped system for optical parametric generation of wavelength-tunable femtosecond pulses is demonstrated. It comprises an Er-doped fiber mode-locked laser, a fiber chirped-pulse amplifier, and a bulk periodically poled LiNbO3 (PPLN) optical parametric generator. The parametric generator is pumped at 777 nm with frequency-doubled microjoule pulses from the fiber amplifier and produces 300-fs pulses tunable from 1 to 3µm with output energies up to ~200 nJ. Use of a PPLN nonlinear crystal substantially reduces the pump energies required for efficient parametric generation. Saturated single-pass parametric energy conversion of 38% (internal) has been achieved with only 220 nJ of pump inside the crystal. A parametric generation threshold of 54 nJ is observed, and efficient parametric conversion is obtained with repetition rates up to 200 kHz.

© 1997 Optical Society of America

Citation
A. Galvanauskas, M. A. Arbore, M. M. Fejer, M. E. Fermann, and D. Harter, "Fiber-laser-based femtosecond parametric generator in bulk periodically poled LiNbO3," Opt. Lett. 22, 105-107 (1997)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-22-2-105

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