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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 3 — Feb. 11, 2013
  • pp: 3279–3286

Optical isolation with epsilon-near-zero metamaterials

Arthur R. Davoyan, Ahmed M. Mahmoud, and Nader Engheta  »View Author Affiliations

Optics Express, Vol. 21, Issue 3, pp. 3279-3286 (2013)

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We suggest a principle for isolation of circularly polarized waves in magnetically active extreme-parameter metamaterials. Using theoretical analysis and numerical simulations, we show that metamaterials with extreme parameters, such as epsilon-near-zero materials (ENZ), when merged with magneto-optical materials, become transparent for forward circularly polarized waves of a given handedness and opaque for backward propagating waves of the same handedness. We theoretically study two possible implementations of such hybrid materials: (1) the case of metal-dielectric stacks; and (2) rectangular waveguide near its cut-off frequency. We prove that these structures can be utilized as compact isolators for circularly polarized waves.

© 2013 OSA

OCIS Codes
(230.3240) Optical devices : Isolators
(260.5430) Physical optics : Polarization
(260.2065) Physical optics : Effective medium theory

ToC Category:

Original Manuscript: November 16, 2012
Revised Manuscript: January 19, 2013
Manuscript Accepted: January 21, 2013
Published: February 1, 2013

Arthur R. Davoyan, Ahmed M. Mahmoud, and Nader Engheta, "Optical isolation with epsilon-near-zero metamaterials," Opt. Express 21, 3279-3286 (2013)

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