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Optics Letters

Optics Letters


  • Vol. 30, Iss. 14 — Jul. 15, 2005
  • pp: 1782–1784

Long optically controlled delays in optical fibers

Kwang Yong Song, Miguel González Herráez, and Luc Thévenaz  »View Author Affiliations

Optics Letters, Vol. 30, Issue 14, pp. 1782-1784 (2005)

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Optically controlled delay lines in optical fibers are demonstrated by use of the group-velocity control of signal pulses based on stimulated Brillouin scattering. We achieve continuous time delay within the range of 150 ns, much larger than the width of the 40 ns signal pulse, using cascaded fiber segments joined by unidirectional optical attenuators. In the meantime, we also observe a large amount of pulse broadening, which agrees well with a theoretical prediction based on linear theory.

© 2005 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(290.5900) Scattering : Scattering, stimulated Brillouin
(350.5500) Other areas of optics : Propagation

Kwang Yong Song, Miguel González Herráez, and Luc Thévenaz, "Long optically controlled delays in optical fibers," Opt. Lett. 30, 1782-1784 (2005)

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