Reflection and Refraction of an Airy Pulse at a Moving Temporal Boundary,Annalen Der Physik

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Reflection and Refraction of an Airy Pulse at a Moving Temporal Boundary
Annalen Der Physik ( IF 2.2 ) Pub Date : 2020-09-09 , DOI: 10.1002/andp.202000295
Wangyang Cai ₁ , Yingying Tian ₁ , Lifu Zhang ₂ , Hairong He ₁ , Jiajia Zhao ₁ , Jin Wang ₁

Affiliation

Reflection and refraction of Airy pulses at a moving step refractive‐index boundary are investigated. A comb‐like reflected spectrum and an Airy‐like transmitted spectrum are formed as an Airy pulse crosses a temporal boundary without initial group velocity mismatch or initial central frequency shift. The reflected and refracted pulses are significantly influenced by the location of temporal boundary and time‐dependent refractive index change. The energy of each lobe of the comb‐like reflected spectra can be controlled by changing the value of decay factor of the Airy pulse. In the case of an Airy pulse with an initial launch frequency shift, the reflected and refracted frequency shifts depend on the dispersion relation of the medium. The results can be used in potential applications involving optical manipulation.

中文翻译：

移动的时间边界处的空气脉冲的反射和折射

研究了艾里脉冲在运动阶跃折射率边界处的反射和折射。当艾里脉冲穿过时间边界而没有初始群速度失配或初始中心频率偏移时，形成梳状反射光谱和艾里透射光谱。反射脉冲和折射脉冲受到时间边界的位置和随时间变化的折射率变化的显着影响。可以通过改变艾里脉冲的衰减因子的值来控制梳状反射光谱的每个波瓣的能量。在具有初始发射频率偏移的艾里脉冲的情况下，反射和折射的频率偏移取决于介质的色散关系。该结果可用于涉及光学操作的潜在应用中。

更新日期：2020-10-11

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