Customizing the Angular Memory Effect for Scattering Media
Customizing the Angular Memory Effect for Scattering Media
复制标题
自定义散射介质的角度记忆效应
DOI:
10.1103/physrevx.11.031010
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发表时间:
2021
影响因子:
12.5
通讯作者:
Cao, Hui
中科院分区:
文献类型:
--
作者:
Yılmaz, Hasan;Kühmayer, Matthias;Hsu, Chia Wei;Rotter, Stefan;Cao, Hui
The memory effect in disordered systems is a key physical phenomenon that has been employed for optical imaging, metrology, and communication through opaque media. Under the conventional memory effect, when the incident beam is tilted slightly, the transmitted pattern tilts in the same direction. However, the “memory” is limited in its angular range and tilt direction. Here, we present a general approach to customize the memory effect by introducing an angular memory operator. Its eigenstates possess perfect correlation for tilt angles and directions that can be arbitrarily chosen separately for the incident and transmitted waves, and can be readily realized with wave front shaping. This work reveals the power of wave front shaping in creating any desired memory for applications of classical and quantum waves in complex systems.
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