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, Alex K Y Jen

Research output: Contribution to journalArticle

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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 V πL 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 In2O 3 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.

Original languageEnglish
Pages (from-to)7380-7385
Number of pages6
JournalOptics Express
Volume13
Issue number19
DOIs
Publication statusPublished - Sep 19 2005

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electro-optics
modulators
conduction
electrodes
oxides
electric potential
organic materials
figure of merit
chromophores
ion beams
vapor deposition
fabrication
polymers
coefficients
configurations
wavelengths
metals

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Xu, G., Liu, Z., Ma, J., Liu, B., Ho, S. T., Wang, L., ... Jen, A. K. Y. (2005). Organic electro-optic modulator using transparent conducting oxides as electrodes. Optics Express, 13(19), 7380-7385. https://doi.org/10.1364/OPEX.13.007380

Organic electro-optic modulator using transparent conducting oxides as electrodes. / Xu, Guoyang; Liu, Zhifu; Ma, Jing; Liu, Boyang; Ho, Seng Tiong; Wang, Lian; Zhu, Peiwang; Marks, Tobin J; Luo, Jingdong; Jen, Alex K Y.

In: Optics Express, Vol. 13, No. 19, 19.09.2005, p. 7380-7385.

Research output: Contribution to journalArticle

Xu, G, Liu, Z, Ma, J, Liu, B, Ho, ST, Wang, L, Zhu, P, Marks, TJ, Luo, J & Jen, AKY 2005, 'Organic electro-optic modulator using transparent conducting oxides as electrodes', Optics Express, vol. 13, no. 19, pp. 7380-7385. https://doi.org/10.1364/OPEX.13.007380
Xu, Guoyang ; Liu, Zhifu ; Ma, Jing ; Liu, Boyang ; Ho, Seng Tiong ; Wang, Lian ; Zhu, Peiwang ; Marks, Tobin J ; Luo, Jingdong ; Jen, Alex K Y. / Organic electro-optic modulator using transparent conducting oxides as electrodes. In: Optics Express. 2005 ; Vol. 13, No. 19. pp. 7380-7385.
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