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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 21, Iss. 7 — Jul. 1, 2004
  • pp: 1397–1402

Picojoule threshold, picosecond optical parametric generation in reverse proton-exchanged lithium niobate waveguides

Xiuping Xie, Andrew M. Schober, Carsten Langrock, Rostislav V. Roussev, Jonathan R. Kurz, and Martin M. Fejer  »View Author Affiliations


JOSA B, Vol. 21, Issue 7, pp. 1397-1402 (2004)
http://dx.doi.org/10.1364/JOSAB.21.001397


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Abstract

We have demonstrated picosecond optical parametric generation in reverse proton-exchanged waveguides in periodically poled lithium niobate with thresholds as low as 200 pJ. Near-transform-limited near-infrared pulses were obtained from cascaded optical parametric generation. For a 1.8-ps (FWHM) pump pulse at 769.6 nm, a saturated internal photon-conversion efficiency of 33% was obtained with 1 nJ of pump energy. The signal-wavelength tuning range was from 1.15 μm to 2.3 μm with a pump wavelength between 770 nm and 789.5 nm. Numerical simulations well predicted the mechanism for the transform-limited pulse generation. These results enable optical parametric generation devices with low threshold and good temporal properties with a simple single-pass setup.

© 2004 Optical Society of America

OCIS Codes
(070.4550) Fourier optics and signal processing : Correlators
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.5390) Ultrafast optics : Picosecond phenomena
(320.7080) Ultrafast optics : Ultrafast devices

Citation
Xiuping Xie, Andrew M. Schober, Carsten Langrock, Rostislav V. Roussev, Jonathan R. Kurz, and Martin M. Fejer, "Picojoule threshold, picosecond optical parametric generation in reverse proton-exchanged lithium niobate waveguides," J. Opt. Soc. Am. B 21, 1397-1402 (2004)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-21-7-1397

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