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Light-Alignment Controllable Beam Splitter and Vectorial Displacement Sensor in the Stopped-Light Regime of Plasmonic Metasurfaces

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    Light-Alignment Controllable Beam Splitter and Vectorial Displacement Sensor in the Stopped-Light Regime of Plasmonic Metasurfaces
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    ACS Photonics

    Cite this: ACS Photonics 2021, 8, 1, 296–306
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    https://doi.org/10.1021/acsphotonics.0c01530
    Published December 29, 2020
    Copyright © 2020 American Chemical Society
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    Abstract

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    We report the experimental realization of periodically perforated plasmonic metasurfaces capable of integrating several key functionalities, such as light-to-surface plasmon coupling, controllable beam-splitting, wavelength filtering and routing, high resolution differential wavelength measurement, and vectorial displacement sensing. The plasmonic metasurfaces operate at telecom wavelengths, at the vicinity of the eigenmode crossing points where zero group velocity is experienced, and their functionality parameters, such as sensitivity to misalignment, prong angular separation, power ratio, polarization, and bandwidth, can be adjusted by designing the boundary shape and by conveniently manipulating their alignment with the illuminating light beam. In the same context, a circular plasmonic metasurface could also serve as a vectorial displacement sensor capable of monitoring simultaneously the magnitude and direction of the displacement between its center and that of the illuminating beam. The compact, easily controllable, and all-in-one nature of our devices can enable on-chip integrated circuits with adaptable functionality for applications in sensing and optical signal processing.

    Copyright © 2020 American Chemical Society

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    This article is cited by 6 publications.

    1. Jialong Zhu, Fucheng Zou, Le Wang, Shengmei Zhao. Dynamic Micro-Vibration Measurement Based on Orbital Angular Momentum. Photonics 2024, 11 (1) , 27. https://doi.org/10.3390/photonics11010027
    2. I. Medina, A. Villaseñor. Transmission Analysis of Nanometric Plasmonic Filters for Implementation in Satellite Communications as a Demultiplexer. Plasmonics 2022, 17 (6) , 2533-2538. https://doi.org/10.1007/s11468-022-01748-y
    3. Zefan Lin, Bo Wang. Multi-functional graphene-based tunable beam splitter in terahertz band. Waves in Random and Complex Media 2022, , 1-18. https://doi.org/10.1080/17455030.2022.2102267
    4. Axin He, Baowei Gao, Yi Xu, Tongzhou Zhang, Jiasen Zhang. Two-dimensional displacement sensors with angstrom-scale resolution based on optical slot antenna arrays. APL Photonics 2022, 7 (5) https://doi.org/10.1063/5.0084400
    5. Maria I. Benetou, Kosmas L. Tsakmakidis. Multifunctional plasmonic metasurface demultiplexer and wavelength-polarization controllable beam splitter. Journal of the Optical Society of America B 2021, 38 (9) , C50. https://doi.org/10.1364/JOSAB.426434
    6. Maria I. Benetou, Kosmas L. Tsakmakidis. Polarization Controllable Beam-Splitter and Wavelength Router using a Plasmonic Metasurface. 2021, ITh2B.5. https://doi.org/10.1364/IPRSN.2021.ITh2B.5
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    ACS Photonics

    Cite this: ACS Photonics 2021, 8, 1, 296–306
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acsphotonics.0c01530
    Published December 29, 2020
    Copyright © 2020 American Chemical Society
    Request reuse permissions

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