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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 8 — Apr. 15, 2008
  • pp: 860–862

Approximate optical cloaking in an axisymmetric silicon photonic crystal structure

D. Xiao and H. T. Johnson  »View Author Affiliations

Optics Letters, Vol. 33, Issue 8, pp. 860-862 (2008)

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Axisymmetric photonic crystal structures may be designed to possess interesting optical properties, particularly when the photonic band structure of the material is highly anisotropic. We use finite element calculations to demonstrate an approximate electromagnetic cloaking effect imparted by a structure consisting of concentric silicon photonic crystal layers. The results show that it is possible to bend light around an object by simply using anisotropy. The calculations show that the cloaking mechanism is fundamentally different from Pendry’s approach. This design may work as a practical solution for optical cloaking.

© 2008 Optical Society of America

OCIS Codes
(350.5500) Other areas of optics : Propagation
(230.5298) Optical devices : Photonic crystals
(230.3205) Optical devices : Invisibility cloaks

ToC Category:
Optical Devices

Original Manuscript: December 13, 2007
Revised Manuscript: March 4, 2008
Manuscript Accepted: March 5, 2008
Published: April 14, 2008

D. Xiao and H. T. Johnson, "Approximate optical cloaking in an axisymmetric silicon photonic crystal structure," Opt. Lett. 33, 860-862 (2008)

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