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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 7 — Mar. 29, 2010
  • pp: 6779–6796

Electro-optic modulator with exceptional power-size performance enabled by transparent conducting electrodes

Fei Yi, Fang Ou, Boyang Liu, Yingyan Huang, Seng-Tiong Ho, Yiliang Wang, Jun Liu, Tobin J. Marks, Su Huang, Jingdong Luo, Alex K.-Y. Jen, Raluca Dinu, and Dan Jin  »View Author Affiliations

Optics Express, Vol. 18, Issue 7, pp. 6779-6796 (2010)

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An EO phase modulator having transparent conducting oxide electrodes and an inverted rib waveguide structure is demonstrated. This new modulator geometry employs an EO polymer having an in-device r33 = 60pm/V. The measured half-wave voltage Vπ of these devices ranges from 5.3V to 11.2V for 3.8 and 1.5 mm long devices, respectively. The lowest VπL figure-of-merit corresponds to 0.6V-cm (7.2mW-cm2 of power length product) in a dual-drive configuration. The trade-off between Vπ , insertion loss and modulation bandwidth is systematically analyzed. An optimized high-speed structure is proposed, with numerical simulation showing that this new structure and an in-device r33 = 150pm/V, can achieve Vπ = 0.5V in a 5mm long active length with dual drive operation. The insertion loss is targeted at 6dB, and a 3dB optical modulation bandwidth can reach > 40GHz.

© 2010 OSA

OCIS Codes
(250.2080) Optoelectronics : Polymer active devices
(250.4110) Optoelectronics : Modulators

ToC Category:

Original Manuscript: January 5, 2010
Revised Manuscript: February 26, 2010
Manuscript Accepted: March 1, 2010
Published: March 17, 2010

Fei Yi, Fang Ou, Boyang Liu, Yingyan Huang, Seng-Tiong Ho, Yiliang Wang, Jun Liu, Tobin J. Marks, Su Huang, Jingdong Luo, Alex K.-Y. Jen, Raluca Dinu, and Dan Jin, "Electro-optic modulator with exceptional power-size performance enabled by transparent conducting electrodes," Opt. Express 18, 6779-6796 (2010)

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