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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 3 — Feb. 1, 2013
  • pp: 250–252

Slow light from sharp dispersion by exciting dark photonic angular momentum states

Qing-Hua Guo, Ming Kang, Teng-Fei Li, Hai-Xu Cui, and Jing Chen  »View Author Affiliations


Optics Letters, Vol. 38, Issue 3, pp. 250-252 (2013)
http://dx.doi.org/10.1364/OL.38.000250


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Abstract

A photonic angular momentum state (PAMS) with a topological charge of m±1 is dipole forbidden at all polarizations of free-space incidence due to the existence of a unique helical phase. We show that by indirectly exciting dark PAMSs through coupling with a bright resonant element, a sharply variant transmission behavior and strong dispersion can be achieved. This behavior can subsequently be utilized in slow light. A metamaterial design, in which a group index ng greater than 500 can be achieved, is present.

© 2013 Optical Society of America

OCIS Codes
(270.0270) Quantum optics : Quantum optics
(160.3918) Materials : Metamaterials
(230.4555) Optical devices : Coupled resonators
(350.4855) Other areas of optics : Optical tweezers or optical manipulation

ToC Category:
Optical Devices

History
Original Manuscript: July 30, 2012
Revised Manuscript: December 10, 2012
Manuscript Accepted: December 18, 2012
Published: January 16, 2013

Citation
Qing-Hua Guo, Ming Kang, Teng-Fei Li, Hai-Xu Cui, and Jing Chen, "Slow light from sharp dispersion by exciting dark photonic angular momentum states," Opt. Lett. 38, 250-252 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-3-250

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