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Simultaneous control of intensity, phase, and polarization in real time under a weak oscillation theory

机译:在弱振荡理论下实时控制强度,相位和极化

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摘要

Manipulating polarization, phase, and amplitude simultaneously in real time is an ultimate pursuit of controlling light. Several types of controllable metasurfaces have been realized, but with either low transmission efficiencies or limited control over amplitude, polarization, and phase in real time. Here we present a weak oscillation theory dealing with a new, to the best of our knowledge, type of optical system consisting of many layers of artificial oscillators, with each layer weakly interacting with the external field. As an application of our theory, we demonstrate and simulate a graphene-based metasurface structure to show that the oscillator system could change the focal length by changing the bias voltages. The polarization state to focus can also be selected by the bias voltage. The weak oscillation theory provides a flexible method to control the intensity, phase, and polarization. (C) 2021 Optical Society of America
机译:实时同时控制偏振、相位和振幅是控制光的终极追求。已经实现了几种类型的可控超表面,但要么传输效率低,要么对振幅、偏振和相位的实时控制有限。在这里,我们提出了一种弱振荡理论,它涉及一种新的光学系统,据我们所知,这种光学系统由多层人工振荡器组成,每一层都与外场弱相互作用。作为我们理论的一个应用,我们演示并模拟了基于石墨烯的超表面结构,以表明振荡器系统可以通过改变偏置电压来改变焦距。聚焦的极化状态也可以通过偏置电压来选择。弱振荡理论提供了一种灵活的方法来控制强度、相位和偏振。(2021)美国光学学会

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  • 来源
    《Optics Letters》 |2021年第6期|共4页
  • 作者单位

    Chinese Acad Sci Shanghai Inst Tech Phys State Key Lab Infrared Phys Shanghai 200083 Peoples R China;

    Chinese Acad Sci Shanghai Inst Tech Phys State Key Lab Infrared Phys Shanghai 200083 Peoples R China;

    Chinese Acad Sci Shanghai Inst Tech Phys State Key Lab Infrared Phys Shanghai 200083 Peoples R China;

    Chinese Acad Sci Shanghai Inst Tech Phys State Key Lab Infrared Phys Shanghai 200083 Peoples R China;

    Chinese Acad Sci Shanghai Inst Tech Phys State Key Lab Infrared Phys Shanghai 200083 Peoples R China;

    Chinese Acad Sci Shanghai Inst Tech Phys State Key Lab Infrared Phys Shanghai 200083 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
  • 关键词

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