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Slow Light in Optical Fiber Using Stimulated Brillouin Scattering

机译:使用受激布里渊散射的光纤中的慢光

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The minimum duration of pulses, that can be delayed through so called "slow light" in stimulated Brillouin scattering (SBS) is limited by the relatively narrow bandwidth of SBS (~15-30 MHz). This limits useful data rates to less than a few Mb/s while for telecommunication applications multi-Gb/s is required. We propose implementation of waveguide induced spectral broadening of SBS in optical fiber to allow massive increase of its bandwidth (reduction of operational pulse duration) to thereby achieve high data rate. Our analysis shows that for fiber of numerical aperture ~0.8 the SBS bandwidth is enhanced to ~15 GHz.
机译:可以通过受激布里渊散射(SBS)中的所谓“慢光”延迟的最小脉冲持续时间受SBS相对较窄的带宽(约15-30 MHz)限制。这将有用的数据速率限制为小于几个Mb / s,而对于电信应用来说,则需要数Gb / s。我们建议在光纤中实现SBS的波导诱导频谱展宽,以允许其带宽大量增加(减少操作脉冲持续时间),从而实现高数据速率。我们的分析表明,对于数值孔径为〜0.8的光纤,SBS带宽可提高至〜15 GHz。

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