Volume 115, Number 1, July 2016
|Number of page(s)||6|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||01 August 2016|
Controllable waveguide via dielectric cylinder covered with graphene: Tunable entanglement
1 Institute for Quantum Science and Engineering (IQSE) and Department of Physics and Astronomy, Texas A&M University - College Station, TX 77843-4242, USA
2 The National Center for Applied Physics, KACST - P.O Box 6068, Riyadh 11442, Saudi Arabia
Received: 4 May 2016
Accepted: 7 July 2016
The dielectric cylinder covered with graphene (DCCG) is found to be a promising platform for studying multi-qubit collective effects. The plasmons supported by DCCG have huge wave numbers and low loss. Under some conditions, the zeroth- and first-order modes even have the same wavelength. Qubits along DCCG can interact with each other strongly by coupling with the plasmons within tens to hundreds of plasmonic wavelengths. Additionally, the electro-optical tunability of graphene means that we can manipulate the plasmonic wavelength and subsequently the dynamic evolutions of the qubits mediated by the DCCG conveniently. These properties make the graphene be a potential choice for quantum information device.
PACS: 42.79.Gn – Optical waveguides and couplers / 03.67.Bg – Entanglement production and manipulation / 78.67.Wj – Optical properties of graphene
© EPLA, 2016
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