Investigation of velocity and impedance matching for the electro-optic modulator

Yue Wen; Xiaoxia Zhang; Huadong Liu; Chunyang Huang; Jie Shen; Yan Zhu

doi:10.1117/1.3559212

1 July 2011 Investigation of velocity and impedance matching for the electro-optic modulator

Yue Wen, Xiaoxia Zhang, Huadong Liu, Chunyang Huang, Jie Shen, Yan Zhu

Author Affiliations +

Optical Engineering, Vol. 50, Issue 7, 071106 (July 2011). https://doi.org/10.1117/1.3559212

Abstract

Based on Wheeler's transformation of multilayer microstrip line, velocity and impedance matching have been analyzed for polymer electro-optic (EO) modulator. Due to the advantages of polymer materials, velocity-matching and impedance-matching can be simultaneously achieved by optimized design for multilayer microstrip electrode. A modified modulator structure has been introduced with a compensation layer placed on the electrode to adjust the microwave index and characteristic impedance. The optimal thicknesses of electrode and compensation layer, and optimal width of electrode can make the EO modulator achieve both velocity matching and impedance matching.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Yue Wen, Xiaoxia Zhang, Huadong Liu, Chunyang Huang, Jie Shen, and Yan Zhu "Investigation of velocity and impedance matching for the electro-optic modulator," Optical Engineering 50(7), 071106 (1 July 2011). https://doi.org/10.1117/1.3559212

Published: 1 July 2011

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