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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 15 — May. 20, 2011
  • pp: 2152–2157

Controlling light transport by using a graded photonic crystal

Kun Ren and Xiaobin Ren  »View Author Affiliations


Applied Optics, Vol. 50, Issue 15, pp. 2152-2157 (2011)
http://dx.doi.org/10.1364/AO.50.002152


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Abstract

Light transport in a graded photonic crystal is studied using the finite-difference time-domain technique. The photonic crystal consists of a square lattice of elliptical dielectric rods. Within a frequency window, light can propagate inside the photonic crystal with the beam width nearly unchanged. The propagation direction can be easily manipulated by the structure gradient, which is achieved by gradually varying the orientation of the elliptical rods. The degree of control over the flow of light can be modulated by changing the ellipticity. This provides a promising approach to design of optical devices for spatial-beam routing.

© 2011 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(250.5300) Optoelectronics : Photonic integrated circuits
(130.5296) Integrated optics : Photonic crystal waveguides

ToC Category:
Integrated Optics

History
Original Manuscript: December 17, 2010
Revised Manuscript: February 21, 2011
Manuscript Accepted: March 24, 2011
Published: May 13, 2011

Citation
Kun Ren and Xiaobin Ren, "Controlling light transport by using a graded photonic crystal," Appl. Opt. 50, 2152-2157 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-15-2152

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