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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 15 — Aug. 1, 2012
  • pp: 3237–3239

Giant Faraday and Kerr rotation with strained graphene

J. C. Martinez, M. B. A. Jalil, and S. G. Tan  »View Author Affiliations


Optics Letters, Vol. 37, Issue 15, pp. 3237-3239 (2012)
http://dx.doi.org/10.1364/OL.37.003237


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Abstract

Polarized electromagnetic waves passing through (reflected from) a dielectric medium parallel to a magnetic field undergo Faraday (Kerr) rotation of their polarization. Recently, Faraday rotation angles as much as 0.1 rad were observed for terahertz waves propagating through graphene over a SiC substrate. We show that the same effect is observable with the magnetic field replaced by an in-plane strain field which induces a pseudomagnetic field in graphene. With two such sheets a rotation of π/4 can be achieved, which is the required rotation for an optical diode. Similarly a Kerr rotation of 1/4rad is predicted from a single reflection from a strained graphene sheet.

© 2012 Optical Society of America

OCIS Codes
(230.2240) Optical devices : Faraday effect
(230.5170) Optical devices : Photodiodes
(160.4236) Materials : Nanomaterials
(310.5448) Thin films : Polarization, other optical properties

ToC Category:
Optical Devices

History
Original Manuscript: April 19, 2012
Revised Manuscript: June 14, 2012
Manuscript Accepted: June 19, 2012
Published: July 27, 2012

Citation
J. C. Martinez, M. B. A. Jalil, and S. G. Tan, "Giant Faraday and Kerr rotation with strained graphene," Opt. Lett. 37, 3237-3239 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-15-3237

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