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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 19 — Sep. 19, 2005
  • pp: 7380–7385

Organic electro-optic modulator using transparent conducting oxides as electrodes

Guoyang Xu, Zhifu Liu, Jing Ma, Boyang Liu, Seng-Tiong Ho, Lian Wang, Peiwang Zhu, Tobin J. Marks, Jingdong Luo, and Alex. K.Y. Jen  »View Author Affiliations


Optics Express, Vol. 13, Issue 19, pp. 7380-7385 (2005)
http://dx.doi.org/10.1364/OPEX.13.007380


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Abstract

A novel organic electro-optic (EO) modulator using transparent conducting oxides (ZnO and In2O3) as electrodes is demonstrated for the first time. The modulator employs the poled guest-host chromophore/polymer material AJL8/APC having r33=35pm/V and is able to achieve a low Vπ=2.8 V switching voltage for an 8mm-long device at a wavelength of 1.31μm. This corresponds to a Vπ=1.1 V switching voltage for a 1cm-long device in a push-pull configuration. The push-pull VπL figure of merit normalized for the EO coefficient is thus 1.1V-cm/(35 pm/V), which is 3–4x lower than that can be achieved with a convetional modulator structure. The bottom electrode is ZnO grown by Metal-Organic Vapor Deposition (MOCVD) and top electrode In2O3 deposited using ion-beam assisted deposition. The top electrode is directly deposited on the guest-host organic material. The design and fabrication considerations for the modulator are also discussed.

© 2005 Optical Society of America

OCIS Codes
(190.4710) Nonlinear optics : Optical nonlinearities in organic materials
(250.2080) Optoelectronics : Polymer active devices
(250.7360) Optoelectronics : Waveguide modulators

ToC Category:
Research Papers

History
Original Manuscript: June 14, 2005
Revised Manuscript: September 1, 2005
Published: September 19, 2005

Citation
Guoyang Xu, Zhifu Liu, Jing Ma, Boyang Liu, Seng-Tiong Ho, Lian Wang, Peiwang Zhu, Tobin Marks, Jingdong Luo, and Alex Jen, "Organic electro-optic modulator using transparent conducting oxides as electrodes," Opt. Express 13, 7380-7385 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-19-7380


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