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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Grover Swartzlander
  • Vol. 30, Iss. 3 — Mar. 1, 2013
  • pp: 723–729

Characteristics and dispersion of time grating

Jun Zheng, Shiwei Wang, and Jianqiu Xu  »View Author Affiliations

JOSA B, Vol. 30, Issue 3, pp. 723-729 (2013)

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Time grating, a temporal analogy of the diffraction grating, is proposed. In the time grating, a laser pulse is split into several embranchments, which are modulated in phase by the phase-modulation function and then combined into a short pulse train. The characteristics and dispersion of the time grating are studied theoretically. Its dispersion, similar to that of the diffraction grating, is time dependent. The characteristics of the output pulse train are controllable by the phase-modulated function. The time grating has several applications, such as in temporal spectrum measurement and in the generation of a short pulse train with arbitrary shape.

© 2013 Optical Society of America

OCIS Codes
(050.1590) Diffraction and gratings : Chirping
(060.5060) Fiber optics and optical communications : Phase modulation
(140.3538) Lasers and laser optics : Lasers, pulsed

ToC Category:
Diffraction and Gratings

Original Manuscript: September 10, 2012
Revised Manuscript: December 25, 2012
Manuscript Accepted: January 18, 2013
Published: February 27, 2013

Jun Zheng, Shiwei Wang, and Jianqiu Xu, "Characteristics and dispersion of time grating," J. Opt. Soc. Am. B 30, 723-729 (2013)

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