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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 12 — Jun. 15, 2009
  • pp: 1792–1794

Experimental demonstration of ultrafast all-fiber high-order photonic temporal differentiators

Luis M. Rivas, Sylvain Boudreau, Yongwoo Park, Radan Slavík, Sophie LaRochelle, Alejandro Carballar, and José Azaña  »View Author Affiliations

Optics Letters, Vol. 34, Issue 12, pp. 1792-1794 (2009)

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We propose and demonstrate what we believe to be a new, simple, and compact all-fiber design for arbitrary-order ultrafast optical temporal differentiation. The proposed design allows us to implement any desired differentiation order using a maximum of two concatenated fiber gratings, both operating in transmission. A single specially apodized chirped fiber Bragg grating is required for implementing any even-order differentiator, whereas the immediately next odd-order differentiator can be implemented by concatenating a long-period fiber-grating first-order differentiator. Besides its simplicity, this scheme provides an optimized energetic efficiency. We experimentally demonstrate a set of high-order all-optical time differentiators (up to the fourth order) capable of accurately processing arbitrary optical waveforms with picosecond time features.

© 2009 Optical Society of America

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(220.1230) Optical design and fabrication : Apodization
(230.1150) Optical devices : All-optical devices
(230.1950) Optical devices : Diffraction gratings

ToC Category:
Optical Devices

Original Manuscript: February 18, 2009
Revised Manuscript: April 15, 2009
Manuscript Accepted: April 16, 2009
Published: June 3, 2009

Luis M. Rivas, Sylvain Boudreau, Yongwoo Park, Radan Slavík, Sophie LaRochelle, Alejandro Carballar, and José Azaña, "Experimental demonstration of ultrafast all-fiber high-order photonic temporal differentiators," Opt. Lett. 34, 1792-1794 (2009)

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