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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 21, Iss. 2 — Feb. 1, 2004
  • pp: 376–383

Controllable Raman-like nonlinearities from nonstationary, cascaded quadratic processes

Fatih Ö. Ilday, Kale Beckwitt, Yi-Fan Chen, Hyungsik Lim, and Frank W. Wise  »View Author Affiliations

JOSA B, Vol. 21, Issue 2, pp. 376-383 (2004)

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We show that useful noninstantaneous, nonlinear phase shifts can be obtained from cascaded quadratic processes in the presence of group-velocity mismatch. The two-field nature of the process permits responses that can be effectively advanced or retarded in time with respect to one of the fields. There is an analogy to a generalized Raman-scattering effect, permitting both red and blueshifts of short pulses. We expect this capability to have many applications in short-pulse generation and propagation, such as the compensation of Raman-induced effects and high-quality pulse compression, which we discuss.

© 2004 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.2640) Nonlinear optics : Stimulated scattering, modulation, etc.
(190.5650) Nonlinear optics : Raman effect
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.5520) Ultrafast optics : Pulse compression

Fatih Ö. Ilday, Kale Beckwitt, Yi-Fan Chen, Hyungsik Lim, and Frank W. Wise, "Controllable Raman-like nonlinearities from nonstationary, cascaded quadratic processes," J. Opt. Soc. Am. B 21, 376-383 (2004)

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