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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 16 — Aug. 15, 2014
  • pp: 4934–4937

One-way optical transmission in silicon grating-photonic crystal structures

Yanyu Zhang, Qiang Kan, and Guo Ping Wang  »View Author Affiliations


Optics Letters, Vol. 39, Issue 16, pp. 4934-4937 (2014)
http://dx.doi.org/10.1364/OL.39.004934


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Abstract

One-way optical transmission through a composite structure of grating-photonic crystal (PC) is presented. This unidirectional transportation property originates from the diffraction of grating to change the direction of light incident into the PC from pseudobandgaps to passbands of the PC. Numerical simulation shows that a light beam in a certain range of frequencies can transmit the composite structure when it is incident from the grating interface but is completely reflected by the structure when it is incident from the PC interface, which is further verified experimentally. The present structure may provide another more compact way for designing on-chip optical diode-like integrated devices.

© 2014 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.1950) Optical devices : Diffraction gratings
(230.5298) Optical devices : Photonic crystals

ToC Category:
Diffraction and Gratings

History
Original Manuscript: May 14, 2014
Revised Manuscript: July 2, 2014
Manuscript Accepted: July 15, 2014
Published: August 15, 2014

Citation
Yanyu Zhang, Qiang Kan, and Guo Ping Wang, "One-way optical transmission in silicon grating-photonic crystal structures," Opt. Lett. 39, 4934-4937 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-16-4934

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