Design and analysis of a polymer Mach-Zehnder interferometer electro-optic switch over a wide spectrum of 110  nm

Chuan-Tao Zheng; Chung-Shen Ma; Xin Yan; Xian-Yin Wang; Da-Ming Zhang

doi:10.1117/1.3129846

1 May 2009 Design and analysis of a polymer Mach-Zehnder interferometer electro-optic switch over a wide spectrum of 110 nm

Chuan-Tao Zheng, Chung-Shen Ma, Xin Yan, Xian-Yin Wang, Da-Ming Zhang

Author Affiliations +

Optical Engineering, Vol. 48, Issue 5, 054601 (May 2009). https://doi.org/10.1117/1.3129846

Abstract

A dual-driving polymer Mach-Zehnder interferometer (MZI) electro-optic switch is designed and optimized, which consists of a phase-generating coupler (PGC) and a 3-dB directional coupler. Structural schematics and principles of the PGC and the switch are described. Novel formulas of the switching time are presented. Under the central operation wavelength of 1550 nm, simulation for the designed device shows that the push-pull switching voltage is 2.445 V, the switching time is 18.1 ps, and the cross talk is less than -30 dB. By optimizing the PGC structure, the phase error resulting from the wavelength shift can be compensated effectively, and a wide spectrum about 110 nm can be achieved. The proposed analytical technique on waveguides and electrodes proves to be accurate and computationally efficient when compared with the beam propagation method (BPM) and the experimental results.

©(2009) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Chuan-Tao Zheng, Chung-Shen Ma, Xin Yan, Xian-Yin Wang, and Da-Ming Zhang "Design and analysis of a polymer Mach-Zehnder interferometer electro-optic switch over a wide spectrum of 110 nm," Optical Engineering 48(5), 054601 (1 May 2009). https://doi.org/10.1117/1.3129846

Published: 1 May 2009

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