An Experimental Investigation on Controllable Slow Light Based on a New-Type Multi-Stage Delay SBS Structure

Hong Qiao Cheng; Li Yang; Long Yin Chen; Ye Cao; Zheng Rong Tong; Xiu Feng Yang

doi:10.4028/www.scientific.net/AMM.130-134.4069

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 130-134An Experimental Investigation on Controllable Slow...

An Experimental Investigation on Controllable Slow Light Based on a New-Type Multi-Stage Delay SBS Structure

Abstract:

A new-type controllable slow light system based on a multi-stage delay Stimulated Brilliouin Scattering (SBS) structure is proposed. In this experiment, a shorter fiber (600 meters) is used to raise the Brillouin thresholds, and the pump power is also increased, therefore the unsaturated gain and the single-stage delay effect are enhanced. Moreover, the two fiber segments of slow light delay are cascaded by two circulators in the configuration, which can increase the delay time and the utilization rate of stokes signal during the experiment, the signal light which the power is-15dBm has acquired 51.299dB gain and the delay time is 55.333ns. Compared with the single-stage delay, the delay time has been increased.

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Periodical:

Applied Mechanics and Materials (Volumes 130-134)

Pages:

4069-4072

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.130-134.4069

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Online since:

October 2011

Authors:

Hong Qiao Cheng, Li Yang, Long Yin Chen, Ye Cao, Zheng Rong Tong, Xiu Feng Yang

Keywords:

Multi-Stage Delay, Short Fiber, Slow Light, Stimulated Brilliouin Scattering (SBS)

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References

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