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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 19 — Oct. 1, 2012
  • pp: 4008–4010

One-way transmission of linearly polarized light in plasmonic subwavelength metallic grating cascaded with dielectric grating

Z. H. Zhu, K. Liu, W. Xu, Z. Luo, C. C. Guo, B. Yang, T. Ma, X. D. Yuan, and W. M. Ye  »View Author Affiliations


Optics Letters, Vol. 37, Issue 19, pp. 4008-4010 (2012)
http://dx.doi.org/10.1364/OL.37.004008


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Abstract

We show that optical transmission of linearly polarized light through a plasmonic subwavelength metallic grating cascaded with a dielectric grating at a 45° angle to each other is asymmetric in opposite directions. A key characteristic of this asymmetric transmission is that the polarization of the transmitted light is changed. Simulation results reveal that transmission of 0.92 in one direction and 105 in the opposite direction can be obtained at normal incidence at a wavelength of 1550 nm. Because of their high optical performance and loose fabrication requirements, the structures may provide practical applications in the control of light transmission.

© 2012 Optical Society of America

OCIS Codes
(120.4570) Instrumentation, measurement, and metrology : Optical design of instruments
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Optics at Surfaces

History
Original Manuscript: June 19, 2012
Revised Manuscript: August 11, 2012
Manuscript Accepted: August 20, 2012
Published: September 20, 2012

Citation
Z. H. Zhu, K. Liu, W. Xu, Z. Luo, C. C. Guo, B. Yang, T. Ma, X. D. Yuan, and W. M. Ye, "One-way transmission of linearly polarized light in plasmonic subwavelength metallic grating cascaded with dielectric grating," Opt. Lett. 37, 4008-4010 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-19-4008

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