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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 7 — Apr. 1, 2014
  • pp: 1909–1912

Ultracompact optical modulator based on graphene-silica metamaterial

Longzhi Yang, Ting Hu, Ao Shen, Chongyang Pei, Bing Yang, Tingge Dai, Hui Yu, Yubo Li, Xiaoqing Jiang, and Jianyi Yang  »View Author Affiliations


Optics Letters, Vol. 39, Issue 7, pp. 1909-1912 (2014)
http://dx.doi.org/10.1364/OL.39.001909


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Abstract

We present an ultracompact electro-optic modulator with a length of 15 nm by utilizing a permittivity-tunable metamaterial channel, which is composed of alternative layers of graphene and silica. Optical waves can propagate through the metamaterial channel only if its permittivity is tuned to be near zero. The finite-difference time-domain (FDTD) simulations show the insertion loss is roughly 0.27dB while the 3 dB extinction ratio is obtained with a 0.8 V gate voltage. The device’s footprint is as small as 0.01μm2. This modulator consumes low power and can potentially be ultrafast.

© 2014 Optical Society of America

OCIS Codes
(230.4110) Optical devices : Modulators
(250.0250) Optoelectronics : Optoelectronics
(350.5500) Other areas of optics : Propagation
(160.3918) Materials : Metamaterials

ToC Category:
Materials

History
Original Manuscript: November 28, 2013
Revised Manuscript: February 12, 2014
Manuscript Accepted: February 18, 2014
Published: March 24, 2014

Citation
Longzhi Yang, Ting Hu, Ao Shen, Chongyang Pei, Bing Yang, Tingge Dai, Hui Yu, Yubo Li, Xiaoqing Jiang, and Jianyi Yang, "Ultracompact optical modulator based on graphene-silica metamaterial," Opt. Lett. 39, 1909-1912 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-7-1909


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