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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 9 — Mar. 20, 2013
  • pp: 1799–1804

Slow light engineering in periodic-stub-assisted plasmonic waveguide

Guoxi Wang  »View Author Affiliations


Applied Optics, Vol. 52, Issue 9, pp. 1799-1804 (2013)
http://dx.doi.org/10.1364/AO.52.001799


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Abstract

We investigate the slow light engineering in periodic-stub-assisted plasmonic waveguide based on transmission line theory. It is found that the dispersion relationship of the proposed waveguide can be easily modified by tuning the stub depth and the period. The theoretical results show that a large normalized delay bandwidth product of 0.65 can be achieved at 1550 nm, meanwhile maintaining the group index of 35. In addition, the proposed waveguide shows “S-shaped” dispersion curve, which implies that the group velocity dispersion parameter at the inflection point equals zero and a dispersion-free slow light waveguide can be realized. Due to the excellent buffering capacity, the proposed compact configuration can find important applications on optical buffers in highly integrated optical circuits.

© 2013 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(200.4490) Optics in computing : Optical buffers
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Integrated Optics

History
Original Manuscript: November 28, 2012
Revised Manuscript: January 31, 2013
Manuscript Accepted: February 13, 2013
Published: March 12, 2013

Citation
Guoxi Wang, "Slow light engineering in periodic-stub-assisted plasmonic waveguide," Appl. Opt. 52, 1799-1804 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-9-1799

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