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Proceedings Paper

SBS-based slow light in optical fibers: optimum design considerations for undistorted slow-light signal propagation in steady-state and transient regimes
Author(s): Liyong Ren; Yasuo Tomita
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Paper Abstract

Slow-light techniques are promising for obtaining tunable delay lines which are potential candidates for bit synchronization and buffer applications in optical packet switching networks. We describe a theoretical study on slowlight in optical fibers based on stimulated Brillouin scattering (SBS). A general model for resonant three-wave nonlinear interactions between a pump beam, an acoustic wave and a counterpropagating signal pulse is proposed. Analytic and numerical solutions of the three-wave coupled equations are obtained for the steady-state and the transient regimes, respectively. Space-time evolutions of a generating slow-light pulse for both small-signal and pump-depletion (or gainsaturation) cases in the above two regimes are given and compared, for different pump powers and signal pulse widths. The physical origin of broadening and distortion of slow-light pulse is discussed. Optimum design considerations for undistorted slow-light signal propagation also are discussed.

Paper Details

Date Published: 3 February 2009
PDF: 14 pages
Proc. SPIE 7226, Advances in Slow and Fast Light II, 722605 (3 February 2009); doi: 10.1117/12.816339
Show Author Affiliations
Liyong Ren, Univ. of Electro-Communications (Japan)
Xi'an Institute of Optics and Precision Mechanics (China)
Yasuo Tomita, Univ. of Electro-Communications (Japan)


Published in SPIE Proceedings Vol. 7226:
Advances in Slow and Fast Light II
Selim M. Shahriar; Philip R. Hemmer; John R. Lowell, Editor(s)

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