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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 15 — May. 20, 2004
  • pp: 3005–3009

Temporal Transformation of Periodic Incoherent Ultrashort Light Pulses by Chirped Fiber Gratings

Dobryna Zalvidea, Ricardo Duchowicz, and Enrique E. Sicre  »View Author Affiliations


Applied Optics, Vol. 43, Issue 15, pp. 3005-3009 (2004)
http://dx.doi.org/10.1364/AO.43.003005


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Abstract

The analogy between free-space propagation of optical beams and light-pulse reflection from linearly chirped fiber gratings is used to analyze the Lau effect in the temporal domain. The coherence conditions that are satisfied in the spatial domain for obtaining, at certain fixed locations, periodic fringes patterns are reformulated for guided light propagation. In this analogy, spatial periodic irradiance distributions are transformed in periodic sequences of light pulses. An optical setup is proposed to produce sharp pulse trains, with minimal distortion effects, that have repetition frequencies that are different from those associated with the input periodic optical signal. Some numerical results are given to illustrate this approach.

© 2004 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
(070.6760) Fourier optics and signal processing : Talbot and self-imaging effects
(260.2030) Physical optics : Dispersion

Citation
Dobryna Zalvidea, Ricardo Duchowicz, and Enrique E. Sicre, "Temporal Transformation of Periodic Incoherent Ultrashort Light Pulses by Chirped Fiber Gratings," Appl. Opt. 43, 3005-3009 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-15-3005

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