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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 17 — Sep. 1, 2013
  • pp: 3387–3389

Periodic self-accelerating beams by combined phase and amplitude modulation in the Fourier space

Yi Hu, Domenico Bongiovanni, Zhigang Chen, and Roberto Morandotti  »View Author Affiliations

Optics Letters, Vol. 38, Issue 17, pp. 3387-3389 (2013)

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We propose and demonstrate the generation of periodic self-accelerating beams through both phase and amplitude modulation in the Fourier space. For small amplitude variations, an accelerating beam still follows a smooth convex trajectory, which can be traced by acting on the spectral phase only. However, large modulations such as those generated from the Heaviside function with a zero amplitude distribution partially modify the convex trajectory due to the appearance of straight-line paths. Furthermore, periodic self-accelerating beams along convex trajectories are realized by employing an array of “spectral wells” in both the paraxial and nonparaxial regimes.

© 2013 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(070.4790) Fourier optics and signal processing : Spectrum analysis
(070.7345) Fourier optics and signal processing : Wave propagation

ToC Category:
Fourier Optics and Signal Processing

Original Manuscript: May 3, 2013
Revised Manuscript: July 31, 2013
Manuscript Accepted: August 1, 2013
Published: August 26, 2013

Yi Hu, Domenico Bongiovanni, Zhigang Chen, and Roberto Morandotti, "Periodic self-accelerating beams by combined phase and amplitude modulation in the Fourier space," Opt. Lett. 38, 3387-3389 (2013)

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