CL-TWE Mach–Zehnder electro-optic modulator based on InP-MQW optical waveguides |
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引用本文: | 钱广,牛斌,赵武,阚强,顾晓文,周奉杰,孔月婵,陈堂胜.CL-TWE Mach–Zehnder electro-optic modulator based on InP-MQW optical waveguides[J].Chinese Optics Letters,2019(6). |
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作者姓名: | 钱广 牛斌 赵武 阚强 顾晓文 周奉杰 孔月婵 陈堂胜 |
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摘 要: | In this Letter, we reported the preliminary results of an integrating periodically capacitive-loaded traveling wave electrode(CL-TWE) Mach–Zehnder modulator(MZM) based on InP-based multiple quantum well(MQW)optical waveguides. The device configuration mainly includes an optical Mach–Zehnder interferometer, a direct current electrode, two phase electrodes, and a CL-TWE consisting of a U electrode and an I electrode. The modulator was fabricated on a 3 in. InP epitaxial wafer by standard photolithography, inductively coupled plasma dry etching, wet etching, electroplating, etc. Measurement results show that the MZM exhibits a3 dB electro-optic bandwidth of about 31 GHz, a V_π of 3 V, and an extinction ratio of about 20 dB.
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