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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 15, Iss. 2 — Feb. 1, 1998
  • pp: 570–576

Distortion of a chirped short pulse in type II second-harmonic generation

Dalwoo Kim and Gang-Yao Xiao  »View Author Affiliations

JOSA B, Vol. 15, Issue 2, pp. 570-576 (1998)

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We theoretically studied temporal properties of the second-harmonic generation of a chirped short pulse. Transient coupling-wave equations are used in describing the time-dependent nonlinear process. The pulse distortion of a fundamental wave occurs at the leading or trailing edge, which is determined by the difference of the group velocity between fundamental and harmonic waves. Pulse chirp and phase mismatch disturb the pulse shape and cause phase distortion. Even in exact phase matching, phase distortion is expected because of pulse chirp. Both distortion of pulse shape and phase shift are dependent on the sign and the quantity of the chirp.

© 1998 Optical Society of America

OCIS Codes
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(190.7220) Nonlinear optics : Upconversion
(320.1590) Ultrafast optics : Chirping
(320.5550) Ultrafast optics : Pulses

Dalwoo Kim and Gang-Yao Xiao, "Distortion of a chirped short pulse in type II second-harmonic generation," J. Opt. Soc. Am. B 15, 570-576 (1998)

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