Tunable All-Optical Delays via Brillouin Slow Light in an Optical Fiber

Yoshitomo Okawachi, Matthew S. Bigelow, Jay E. Sharping, Zhaoming Zhu, Aaron Schweinsberg, Daniel J. Gauthier, Robert W. Boyd, and Alexander L. Gaeta
Phys. Rev. Lett. 94, 153902 – Published 18 April 2005

Abstract

We demonstrate a technique for generating tunable all-optical delays in room temperature single-mode optical fibers at telecommunication wavelengths using the stimulated Brillouin scattering process. This technique makes use of the rapid variation of the refractive index that occurs in the vicinity of the Brillouin gain feature. The wavelength at which the induced delay occurs is broadly tunable by controlling the wavelength of the laser pumping the process, and the magnitude of the delay can be tuned continuously by as much as 25 ns by adjusting the intensity of the pump field. The technique can be applied to pulses as short as 15 ns. This scheme represents an important first step towards implementing slow-light techniques for various applications including buffering in telecommunication systems.

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  • Received 7 January 2005

DOI:https://doi.org/10.1103/PhysRevLett.94.153902

©2005 American Physical Society

Authors & Affiliations

Yoshitomo Okawachi1, Matthew S. Bigelow2, Jay E. Sharping1, Zhaoming Zhu3, Aaron Schweinsberg2, Daniel J. Gauthier3, Robert W. Boyd2, and Alexander L. Gaeta1

  • 1School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, USA
  • 2The Institute of Optics, University of Rochester, Rochester, New York 14627, USA
  • 3Department of Physics, Duke University, Durham, North Carolina 27708, USA

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Issue

Vol. 94, Iss. 15 — 22 April 2005

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