Optimal design and analysis of a high-speed, low-voltage polymer Mach-Zehnder interferometer electro-optic switch |
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Authors: | Chuantao Zheng Xin Yan Xianyin Wang Daming Zhang |
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Affiliation: | State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China |
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Abstract: | Detailed model, analysis and design technique are presented for simulating a high-speed polymer Mach-Zehnder interferometer (MZI) electro-optic switch with push-pull dual driving electrodes and rib waveguides. The novel formulas of the time-domain response are derived. Thorough optimization and simulation for the designed device are performed. The total length of the basic function unit of the switch is about 5049 μm, the push-pull switching voltage is 2.23 V, the switching time is 18.1 ps, and the insertion loss and crosstalk are less than 2.64 and −30 dB, respectively, within the range of the operation wavelength from 1534 to 1566 nm. These results are in good agreement with those obtained from the beam propagation method (BPM). |
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Keywords: | Electro-optic switch Mach-Zehnder interferometer Switching voltage |
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