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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 20 — Oct. 15, 2013
  • pp: 4092–4095

All-optical bistable logic control based on coupled Tamm plasmons

Wei Li Zhang, Yao Jiang, Ye Yu Zhu, Fen Wang, and Yun Jiang Rao  »View Author Affiliations


Optics Letters, Vol. 38, Issue 20, pp. 4092-4095 (2013)
http://dx.doi.org/10.1364/OL.38.004092


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Abstract

A method for realizing low-threshold all-optical bistable logic control is proposed based on Tamm plasmons (TPs), which are formed in an asymmetric dielectric Bragg reflector (DBR)–metal–DBR (ADMD) structure with a layer of Kerr medium embedded. The ADMD structure supports two TPs due to coupling of trapped modes at each metal–DBR interface, generating two dips in the structure’s reflection spectrum. Thus, control (i.e., pump) and controlled (i.e., probe) light with wavelengths close to the two dips, respectively, can be imported. It is verified theoretically that, thanks to the enhanced Kerr nonlinearity related to excitation of high-quality TP, bistable switching at very low injection intensity can be initiated by strength or direction variation of the pump. Meanwhile, the probe changes correspondingly with the pump. Thus, all-optical bistable logic operation of the probe can be controlled by the pump.

© 2013 Optical Society of America

OCIS Codes
(190.1450) Nonlinear optics : Bistability
(190.3270) Nonlinear optics : Kerr effect
(230.1150) Optical devices : All-optical devices
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Nonlinear Optics

History
Original Manuscript: August 2, 2013
Revised Manuscript: September 13, 2013
Manuscript Accepted: September 13, 2013
Published: October 9, 2013

Citation
Wei Li Zhang, Yao Jiang, Ye Yu Zhu, Fen Wang, and Yun Jiang Rao, "All-optical bistable logic control based on coupled Tamm plasmons," Opt. Lett. 38, 4092-4095 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-20-4092

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