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Optics Letters

Optics Letters


  • Vol. 29, Iss. 23 — Dec. 1, 2004
  • pp: 2776–2778

Retiming of picosecond pulses by a cascaded second-order nonlinear process in quasi-phase-matched LiNbO3 waveguides

T. Hasegawa, X. Wang, and A. Suzuki  »View Author Affiliations

Optics Letters, Vol. 29, Issue 23, pp. 2776-2778 (2004)

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A new technique for reducing timing jitter by using a cascaded second-order nonlinear process in quasi-phase-matched (QPM) LiNbO<sub>3</sub> waveguides is proposed. It was found that the timing jitter of a signal at QPM wavelength is not transferred to the converted pulses during cascading in a 30-mm-long LiNbO<sub>3</sub> QPM waveguide. Timing-jitter transfer characteristics in QPM LiNbO<sub>3</sub> waveguides are evaluated by calculation of pulse evolution, and retiming of 1.5-ps pulses in 10- and 30-mm-long waveguides is demonstrated experimentally.

© 2004 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(230.4320) Optical devices : Nonlinear optical devices
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

T. Hasegawa, X. Wang, and A. Suzuki, "Retiming of picosecond pulses by a cascaded second-order nonlinear process in quasi-phase-matched LiNbO3 waveguides," Opt. Lett. 29, 2776-2778 (2004)

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  1. T. Ohara, H. Tanaka, I. Shake, K. Mori, S. Kawanishi, S. Mino, T. Yamada, M. Ishii, T. Kitoh, T. Kitagawa, K. P. Parameswaran, and M. M. Fejer, IEEE Photon. Technol. Lett. 15, 302 (2003).
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