Tunable all-optical delays via Brillouin slow light in an optical fiber.


Journal Article

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.

Full Text

Cited Authors

  • Okawachi, Y; Bigelow, MS; Sharping, JE; Zhu, Z; Schweinsberg, A; Gauthier, DJ; Boyd, RW; Gaeta, AL

Published Date

  • April 18, 2005

Published In

Volume / Issue

  • 94 / 15

Start / End Page

  • 153902 -

PubMed ID

  • 15904146

Pubmed Central ID

  • 15904146

Electronic International Standard Serial Number (EISSN)

  • 1079-7114

International Standard Serial Number (ISSN)

  • 0031-9007

Digital Object Identifier (DOI)

  • 10.1103/physrevlett.94.153902


  • eng