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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 20 — Oct. 15, 2007
  • pp: 2978–2980

Design of terahertz-bandwidth arbitrary-order temporal differentiators based on long-period fiber gratings

Mykola Kulishov, David Krčmařík, and Radan Slavík  »View Author Affiliations


Optics Letters, Vol. 32, Issue 20, pp. 2978-2980 (2007)
http://dx.doi.org/10.1364/OL.32.002978


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Abstract

We show that long-period fiber grating (LPG) incorporating N 1 π-phase shifts can serve as an Nth order temporal differentiator that operates in transmission. Due to the inherent large bandwidth provided by LPGs, subpicosecond (terahertz-bandwidth) optical signals may be processed with centimeters-length devices. Design parameters for up to fifth-order differentiators are given.

© 2007 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2340) Fiber optics and optical communications : Fiber optics components
(200.4740) Optics in computing : Optical processing
(320.5540) Ultrafast optics : Pulse shaping

ToC Category:
Optics in Computing

History
Original Manuscript: July 18, 2007
Revised Manuscript: August 31, 2007
Manuscript Accepted: September 2, 2007
Published: October 8, 2007

Citation
Mykola Kulishov, David Krcmarík, and Radan Slavík, "Design of terahertz-bandwidth arbitrary-order temporal differentiators based on long-period fiber gratings," Opt. Lett. 32, 2978-2980 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-20-2978


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