Stronger slow light effect in densely doped erbium fibers

Xioajue Tang; Yan Ling Xue

doi:10.1117/12.803442

11 November 2008 Stronger slow light effect in densely doped erbium fibers

Xioajue Tang, Yan Ling Xue

Proceedings Volume 7136, Optical Transmission, Switching, and Subsystems VI; 713622 (2008) https://doi.org/10.1117/12.803442
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China

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.

Citation Download Citation

Xioajue Tang and Yan Ling Xue "Stronger slow light effect in densely doped erbium fibers", Proc. SPIE 7136, Optical Transmission, Switching, and Subsystems VI, 713622 (11 November 2008); https://doi.org/10.1117/12.803442

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