典型文献
Controllable oscillated spin Hall effect of Bessel beam realized by liquid crystal Pancharatnam-Berry phase elements
文献摘要：
Pancharatnam-Berry(PB)phase has become an effective tool to realize the photonic spin Hall effect(PSHE)in recent years,due to its capacity of enhancing the spin-orbit interaction.Various forms of PSHEs have been proposed by tailoring the PB phase of light,however,the propagation trajectory control of the separated spin states has not been reported.In this paper,we realize the oscillated spin-dependent separation by using the well-designed PB phase optical elements based on the transverse-to-longitudinal mapping of Bessel beams.Two typical oscillated PSHEs,i.e.,the spin states are circulated and reversed periodically,are experimentally demonstrated with two PB phase elements fabricated with liquid crystal.The displacements and periods of these oscillations can be controlled by changing the transverse vector of the input Bessel beam.The proposed method offers a new degree of freedom to manipulate the spin-dependent separation,and provides technical supports for the application in spin photonics.
文献关键词：
中图分类号：
作者姓名：
Sheng Liu;Shuxia Qi;Yanke Li;Bingyan Wei;Peng Li;Jianllin Zhao
作者机构：
Key Laboratory of Light Field Manipulation and Information Acquisition,Ministry of Industry and Information Technology,and Shaanxi Key Laboratory of Optical Information Technology,School of Physical Science and Technology,Northwestern Polytechnical University,Xi'an 710129,China
文献出处：
引用格式：
[1]Sheng Liu;Shuxia Qi;Yanke Li;Bingyan Wei;Peng Li;Jianllin Zhao-.Controllable oscillated spin Hall effect of Bessel beam realized by liquid crystal Pancharatnam-Berry phase elements)[J].光：科学与应用（英文版）,2022(08):1925-1932
A类：
PSHEs
B类：
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AB值：
0.535281
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