• Chinese Optics Letters
  • Vol. 20, Issue 2, 023601 (2022)
Jingjing Hong1、2, Xingping Zhou1、2, Rui Zhuang1、2, Wei Peng1、2, Jiawei Liu1、2, Aiping Liu1、2、*, and Qin Wang1、2
Author Affiliations
  • 1Institute of Quantum Information and Technology, Nanjing University of Posts and Telecommunications, Nanjing 210003, China
  • 2Key Laboratory of Broadband Wireless Communication and Sensor Network Technology, Ministry of Education, Nanjing University of Posts and Telecommunications, Nanjing 210003, China
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    Abstract

    A counter-surface plasmon polariton lens (CSPPL) is proposed to perform stable nanoparticle trapping by providing up to 120kbT optical potential depth. The optical potential depth is related to the incident angle and phase difference of the light incident on two gratings of CSPPL. The depth of optical potential can be manipulated with negligible displacement by the incident angle less than 20°. Both the depth and the center position of the optical potential well can be manipulated by the incident phase difference. The study of stable and manipulatable optical potential on the CSPPL promotes the integration of optical tweezers.
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    Jingjing Hong, Xingping Zhou, Rui Zhuang, Wei Peng, Jiawei Liu, Aiping Liu, Qin Wang. Nanoparticle trapping by counter-surface plasmon polariton lens[J]. Chinese Optics Letters, 2022, 20(2): 023601
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    Category: Nanophotonics, Metamaterials, and Plasmonics
    Received: Jul. 14, 2021
    Accepted: Aug. 17, 2021
    Published Online: Oct. 14, 2021
    The Author Email: Aiping Liu (apliu@njupt.edu.cn)