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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 6 — Mar. 15, 2008
  • pp: 551–553

Plasmonic electro-optic modulator design using a resonant metal grating

Zhi Wu, Robert L. Nelson, Joseph W. Haus, and Qiwen Zhan  »View Author Affiliations

Optics Letters, Vol. 33, Issue 6, pp. 551-553 (2008)

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A plasmonic electro-optic modulator design using an evanescently coupled resonant metal grating is numerically studied in this Letter. Owing to excitation and propagation of long-range surface plasmons between the metal grating nanowires, a deep and narrow reflection dip can be obtained. Improved modulation performance is achieved through decreased damping from large dielectric gaps between the grating nanowires. An optimized electro-optic modulator design with lower insertion loss and low operating voltage is presented.

© 2008 Optical Society of America

OCIS Codes
(230.4110) Optical devices : Modulators
(260.3910) Physical optics : Metal optics
(280.1415) Remote sensing and sensors : Biological sensing and sensors
(050.5745) Diffraction and gratings : Resonance domain
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Optical Devices

Original Manuscript: January 28, 2008
Manuscript Accepted: February 1, 2008
Published: March 5, 2008

Zhi Wu, Robert L. Nelson, Joseph W. Haus, and Qiwen Zhan, "Plasmonic electro-optic modulator design using a resonant metal grating," Opt. Lett. 33, 551-553 (2008)

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