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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 15 — Jul. 20, 2009
  • pp: 12807–12812

Gain-assisted time delay of plasmons in coupled metal ring resonator waveguides

Yun Shen and Guo Ping Wang  »View Author Affiliations


Optics Express, Vol. 17, Issue 15, pp. 12807-12812 (2009)
http://dx.doi.org/10.1364/OE.17.012807


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Abstract

Coupled metal ring resonator waveguides filled with optical active materials are proposed to achieve the slow light and tunable time delay. The tunable group index and time delay are realized by the dispersion of the active materials and its interplay with that of the geometric structure of the waveguides. Our results from the transfer matrix analysis and finite-difference time-domain numerical simulation show that the anomalous dispersion of the active materials can help to amplify the group index determined by the waveguide geometry. Based upon this structure, a variable-bit-rate optical time-division-multiplexing system is numerically demonstrated.

© 2009 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(240.6680) Optics at surfaces : Surface plasmons
(230.4555) Optical devices : Coupled resonators

ToC Category:
Optics at Surfaces

History
Original Manuscript: April 21, 2009
Revised Manuscript: June 15, 2009
Manuscript Accepted: June 25, 2009
Published: July 13, 2009

Citation
Yun Shen and Guo Ping Wang, "Gain-assisted time delay of plasmons in coupled metal ring resonator waveguides," Opt. Express 17, 12807-12812 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-15-12807


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