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Title: Surface-Plasmon-Mediated Gradient Force Enhancement and Mechanical State Transitions of Graphene Sheets

Journal Article · · ACS Photonics
 [1]; ORCiD logo [1];  [1];  [2]
  1. Ames Lab. and Iowa State Univ., Ames, IA (United States). Dept. of Physics and Astronomy
  2. Ames Lab. and Iowa State Univ., Ames, IA (United States). Dept. of Physics and Astronomy; Foundation for Research & Technology-Hellas, Crete (Greece). Inst. of Electronic Structure and Laser (IESL)

Graphene, a two-dimensional material possessing extraordinary properties in electronics as well as mechanics, provides a great platform for various optoelectronic and opto-mechanical devices. Here in this article, we theoretically study the optical gradient force arising from the coupling of surface plasmon modes on parallel graphene sheets, which can be several orders stronger than that between regular dielectric waveguides. Furthermore, with an energy functional optimization model, possible force-induced deformation of graphene sheets is calculated. We show that the significantly enhanced optical gradient force may lead to mechanical state transitions of graphene sheets, which are accompanied by abrupt changes in reflection and transmission spectra of the system. Our demonstrations illustrate the potential for a broader graphene-related applications such as force sensors and actuators.

Research Organization:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); US Office of Naval Research
Grant/Contract Number:
AC02-07CH11358
OSTI ID:
1347903
Report Number(s):
IS-J--9228
Journal Information:
ACS Photonics, Journal Name: ACS Photonics Journal Issue: 1 Vol. 4; ISSN 2330-4022
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (5)

Graphene Plasmonics: A Platform for 2D Optics journal December 2018
Controlling optical polarization conversion with Ge 2 Sb 2 Te 5 -based phase-change dielectric metamaterials journal January 2018
Optical gradient force for tuning, actuation, and manipulation of nonlinearity in graphene nanomechanical resonator journal May 2019
Dual tunable plasmon-induced transparency based on silicon–air grating coupled graphene structure in terahertz metamaterial journal January 2017
Modal approach to optical forces between waveguides as derived by transformation optics formalism journal January 2019

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