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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 6 — Mar. 15, 2013
  • pp: 839–841

Asymmetric transmission of terahertz radiation through a double grating

Marcin Stolarek, Dmitriy Yavorskiy, Rafał Kotyński, Carlos J. Zapata Rodríguez, Jerzy Łusakowski, and Tomasz Szoplik  »View Author Affiliations

Optics Letters, Vol. 38, Issue 6, pp. 839-841 (2013)

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We report on experimental evidence of unidirectional transmission of terahertz waves through a pair of metallic gratings with different periods. The gratings are optimized for a broadband transmission in one direction, accompanied with a high extinction rate in the opposite direction. In contrast to previous studies, we show that the zero-order nonreciprocity cannot be achieved. Nonetheless, we confirm that the structure can be used successfully as an asymmetric filter.

© 2013 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Diffraction and Gratings

Original Manuscript: December 12, 2012
Manuscript Accepted: January 14, 2013
Published: March 11, 2013

Marcin Stolarek, Dmitriy Yavorskiy, Rafał Kotyński, Carlos J. Zapata Rodríguez, Jerzy Łusakowski, and Tomasz Szoplik, "Asymmetric transmission of terahertz radiation through a double grating," Opt. Lett. 38, 839-841 (2013)

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