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Proceedings Paper

Stronger slow light effect in densely doped erbium fibers
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Paper Abstract

We perform a study of extremely slow pulse propagation speed in densely-doped erbium fibers by using a detuned signal. A quantum coherence effect, coherent population oscillations, produces a very narrow spectral "hole" in the homogeneous broadened absorption profile of the erbium-doped fiber. The resulting rapid spectral variation of the refractive index leads to a large value of the group index. The interparticle interaction between the nearest neighboring active particles due to the high density of erbium ions is considered. The result shows that the nonlinear refractive index can be greatly increased which leads to the smaller group velocity and the larger time delay.

Paper Details

Date Published: 11 November 2008
PDF: 10 pages
Proc. SPIE 7136, Optical Transmission, Switching, and Subsystems VI, 713622 (11 November 2008); doi: 10.1117/12.803442
Show Author Affiliations
Xioajue Tang, East China Normal Univ. (China)
Yan Ling Xue, East China Normal Univ. (China)

Published in SPIE Proceedings Vol. 7136:
Optical Transmission, Switching, and Subsystems VI
Ken-ichi Kitayama; Pierpaolo C. Ghiggino; Kim Roberts; Yikai Su, Editor(s)

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