Malus-metasurface-assisted polarization multiplexing

Author:

Deng Liangui,Deng Juan,Guan Zhiqiang,Tao Jin,Chen Yang,Yang Yan,Zhang Daxiao,Tang Jibo,Li Zhongyang,Li Zile,Yu Shaohua,Zheng GuoxingORCID,Xu Hongxing,Qiu Cheng-WeiORCID,Zhang Shuang

Abstract

AbstractPolarization optics plays a pivotal role in diffractive, refractive, and emerging flat optics, and has been widely employed in contemporary optical industries and daily life. Advanced polarization manipulation leads to robust control of the polarization direction of light. Nevertheless, polarization control has been studied largely independent of the phase or intensity of light. Here, we propose and experimentally validate a Malus-metasurface-assisted paradigm to enable simultaneous and independent control of the intensity and phase properties of light simply by polarization modulation. The orientation degeneracy of the classical Malus’s law implies a new degree of freedom and enables us to establish a one-to-many mapping strategy for designing anisotropic plasmonic nanostructures to engineer the Pancharatnam–Berry phase profile, while keeping the continuous intensity modulation unchanged. The proposed Malus metadevice can thus generate a near-field greyscale pattern, and project an independent far-field holographic image using an ultrathin and single-sized metasurface. This concept opens up distinct dimensions for conventional polarization optics, which allows one to merge the functionality of phase manipulation into an amplitude-manipulation-assisted optical component to form a multifunctional nano-optical device without increasing the complexity of the nanostructures. It can empower advanced applications in information multiplexing and encryption, anti-counterfeiting, dual-channel display for virtual/augmented reality, and many other related fields.

Funder

National Natural Science Foundation of China

MOS

China Postdoctoral Science Foundation

Postdoctoral Innovation Talent Support Program of China

the National Research Foundation, Prime Minister’s Office, Singapore under its Competitive Research Program

Publisher

Springer Science and Business Media LLC

Subject

Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials

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