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Optoelectronics Letters

Effect of SGC on transient evolution of GWI in a Doppler broadened quasi Λ-type four-level system

Zhongbo Liu, D. M. Tong, Fan Xi-jun

Published Sep 1, 2012• 0 citations
Publisher
DOI
10.1007/s11801-012-2252-3

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Effect of SGC on transient evolution of GWI in a Doppler broadened quasi Λ-type four-level system

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在这份报纸的天津工业大学和 Springer-Verlag 柏林海德堡 2012，没有倒置(GWI ) ，我们在 Doppler 在获得的短暂进化上学习自发地产生的连贯(SGC ) 的效果拓宽的伪类型四水平的原子系统。GWI 的短暂进化对 SGC 力量，和短暂最大的价值和两个与 SGC 力量增加增加的 GWI 的稳定的价值的变化很敏感，这被显示出。没有 SGC，有 SGC 的 GWI 的短暂、稳定的价值比那些大得多。当拓宽的 Doppler 是在场的时，短暂最大的价值和 GWI 的稳定的价值首先与拓宽宽度(D) 增加，和对应于最大的短暂 GWI 的 D 的价值的 Doppler 增加然后减少与那不同相应于最大的稳定的 GWI。为到达稳定的 GWI 需要的时间与 D 增加增加。稳定的 GWI，没有 Doppler，比那大拓宽， D = 0 ) ，能被选择适当 D 和 SGC 力量获得。

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Influence of relative phase between probe and driving fields(ф) on propagation effect of a Doppler broadened quasi-Λ type four-level atomic system with spontaneously generated coherence(SGC) is numerically studied.It is shown that by choosing ф,we can obtain greater GWI and longer propagation distance where GWI exists and hence obtain higher LWI intensity.Doppler broadening width and propagation directions of probe and driving fields have considerable effect on phase-dependent spatial evolutions of GWI and LWI intensity.

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在这份报纸的天津工业大学和 Springer-Verlag 柏林海德堡 2012，没有倒置(GWI ) ，我们在 Doppler 在获得的短暂进化上学习自发地产生的连贯(SGC ) 的效果拓宽的伪类型四水平的原子系统。GWI 的短暂进化对 SGC 力量，和短暂最大的价值和两个与 SGC 力量增加增加的 GWI 的稳定的价值的变化很敏感，这被显示出。没有 SGC，有 SGC 的 GWI 的短暂、稳定的价值比那些大得多。当拓宽的 Doppler 是在场的时，短暂最大的价值和 GWI 的稳定的价值首先与拓宽宽度(D) 增加，和对应于最大的短暂 GWI 的 D 的价值的 Doppler 增加然后减少与那不同相应于最大的稳定的 GWI。为到达稳定的 GWI 需要的时间与 D 增加增加。稳定的 GWI，没有 Doppler，比那大拓宽， D = 0 ) ，能被选择适当 D 和 SGC 力量获得。
Influence of relative phase between probe and driving fields(ф) on propagation effect of a Doppler broadened quasi-Λ type four-level atomic system with spontaneously generated coherence(SGC) is numerically studied.It is shown that by choosing ф,we can obtain greater GWI and longer propagation distance where GWI exists and hence obtain higher LWI intensity.Doppler broadening width and propagation directions of probe and driving fields have considerable effect on phase-dependent spatial evolutions of GWI and LWI intensity.