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Proceedings Paper

Fiber-length dependence of slow light with a swept-frequency source
Author(s): Rui Zhang; Yunhui Zhu; Jing Wang; Daniel J. Gauthier
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Paper Abstract

We study the slow light effect via stimulated Brillouin scattering (SBS) using broadly-tunable frequency-swept sources, such as that used in optical coherence tomography. Slow light can be achieved, in principle, over the entire transparency window of the optical fiber (many 100's of nm at telecommunication wavelengths). We demonstrate a SBS slow light delay of more than 1 ns over a wide bandwidth at 1.55 μm using a 2-km-long highly nonlinear fiber with a source sweep rate of 20 MHz/μs and a delay of 10 ns using a 10-m-long photonic crystal fiber with a sweep rate of 400 MHz/μs. We also find that, for a given sweep rate R, there is an optimum value of fiber length L to obtain the largest delay.

Paper Details

Date Published: 17 February 2011
PDF: 7 pages
Proc. SPIE 7949, Advances in Slow and Fast Light IV, 794909 (17 February 2011); doi: 10.1117/12.876805
Show Author Affiliations
Rui Zhang, Duke Univ. (United States)
Yunhui Zhu, Duke Univ. (United States)
Jing Wang, Beijing Jiaotong Univ. (China)
Daniel J. Gauthier, Duke Univ. (United States)

Published in SPIE Proceedings Vol. 7949:
Advances in Slow and Fast Light IV
Selim M. Shahriar; Philip R. Hemmer, Editor(s)

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