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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 15 — Aug. 1, 2014
  • pp: 4486–4489

Enhanced wavelength sensitivity of the self-collimation superprism effect in photonic crystals via slow light

Wei Li, Xiaogang Zhang, Xulin Lin, and Xunya Jiang  »View Author Affiliations


Optics Letters, Vol. 39, Issue 15, pp. 4486-4489 (2014)
http://dx.doi.org/10.1364/OL.39.004486


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Abstract

We demonstrate that the wavelength sensitivity of a self-collimation superprism in photonic crystals (PhCs) can be greatly improved via slow light. With the help of a saddle point Van Hove singularity, we present an approach to obtain such a wavelength-sensitive self-collimation superprism. Our superprism not only has extremely high wavelength sensitivity, but also can suppress beam divergence, irregular beam generation, and wavelength channel dropout, overcoming the limitations of traditional PhC-based superprisms. Based on our superprism, a high-performance compact demultiplexer is also proposed.

© 2014 Optical Society of America

OCIS Codes
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(050.5298) Diffraction and gratings : Photonic crystals
(160.5298) Materials : Photonic crystals

ToC Category:
Materials

History
Original Manuscript: March 24, 2014
Revised Manuscript: May 23, 2014
Manuscript Accepted: June 25, 2014
Published: July 25, 2014

Citation
Wei Li, Xiaogang Zhang, Xulin Lin, and Xunya Jiang, "Enhanced wavelength sensitivity of the self-collimation superprism effect in photonic crystals via slow light," Opt. Lett. 39, 4486-4489 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-15-4486


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