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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 17 — Sep. 1, 2014
  • pp: 4978–4981

Broadband electro-optical modulator based on transparent conducting oxide

Kaifeng Shi, Riaz R. Haque, Bingyin Zhao, Runchen Zhao, and Zhaolin Lu  »View Author Affiliations

Optics Letters, Vol. 39, Issue 17, pp. 4978-4981 (2014)

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We report a broadband electro-optical (EO) modulator based on tunable plasmonic metamaterial. Transparent conducting oxides provide an excellent active plasmonic material for optoelectronic applications. By utilizing our indium-tin-oxide- (ITO) based multilayer structure, light absorption of the active ITO layer can be electrically modulated over a large spectrum range. Based on the attenuated total reflectance configuration, bias polarity-dependent modulation up to 37% has been experimentally demonstrated. This EO modulator has advantages of simple design, easy fabrication, compact size, broadband performance, large modulation depth, as well as compatibility with existing silicon photonics platforms.

© 2014 Optical Society of America

OCIS Codes
(160.2100) Materials : Electro-optical materials
(230.2090) Optical devices : Electro-optical devices
(250.4110) Optoelectronics : Modulators

ToC Category:
Optical Devices

Original Manuscript: April 17, 2014
Revised Manuscript: July 17, 2014
Manuscript Accepted: July 20, 2014
Published: August 18, 2014

Kaifeng Shi, Riaz R. Haque, Bingyin Zhao, Runchen Zhao, and Zhaolin Lu, "Broadband electro-optical modulator based on transparent conducting oxide," Opt. Lett. 39, 4978-4981 (2014)

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