Interaction optical torque induced by plasmon coupling

An'an Wu; Yoshito Y. Tanaka; Tsutomu Shimura

doi:10.1117/12.2616126

27 October 2021 Interaction optical torque induced by plasmon coupling

An'an Wu, Yoshito Y. Tanaka, Tsutomu Shimura

Proceedings Volume 11926, Optical Manipulation and Structured Materials Conference 2021; 119260O (2021) https://doi.org/10.1117/12.2616126
Event: SPIE Technologies and Applications of Structured Light, 2021, Online, Japan

Abstract

We report on a numerical study of interaction optical torque between twisted gold nanorods induced by the plasmon coupling. Our results indicate that interaction optical torque can be generated and enhanced by the plasmon coupling between twisted nanorods, highly depending on the gap size and twisted angle. This interaction optical torque implements the rotations to mutually perpendicular and parallel arrangements of nanorods with the light excitations of different plasmon modes. Thus, the interaction optical torque induced by the plasmon coupling will play an important role to control the plasmonic characteristics and functions.

Citation Download Citation

An'an Wu, Yoshito Y. Tanaka, and Tsutomu Shimura "Interaction optical torque induced by plasmon coupling", Proc. SPIE 11926, Optical Manipulation and Structured Materials Conference 2021, 119260O (27 October 2021); https://doi.org/10.1117/12.2616126

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