Scientific Results

Tuning of surface plasmon polaritons beat length in graphene directional couplers

Year: 2013

Authors: Auditore A., De Angelis C., Locatelli A., Aceves A. B.,

Autors Affiliation: Dipartimento di Ingegneria dell’Informazione, Università degli Studi di Brescia, Brescia 25123, Italy; Department of Mathematics, Southern Methodist University, Dallas, Texas 75275, USA

Abstract: We investigate the tuning of the coupling of surface plasmon polaritons between two spatially separated graphene layers. We demonstrate that by slightly changing the chemical potential, a graphene coupler can switch from the bar to the cross state; as a consequence, the coupling coefficient in such structures can be easily controlled by means of an applied electrical signal. (C) 2013 Optical Society of America

Journal/Review: OPTICS LETTERS

Volume: 38 (20)      Pages from: 4228  to: 4231

More Information: A. A., C. D. A., and A. L. acknowledge financial support from US ARMY under grant no. W911NF-12-1-0202.
DOI: 10.1364/OL.38.004228

Citations: 22
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2022-01-23
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