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Bias-Free Operational Monolithic Symmetric-Connected Photodiode Array

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摘要

We have designed and fabricated zero-bias operational two-element symmetric-connected photodetector arrays (SC-PDA). The designed SC-PDA have higher saturation currents, larger RF power, and better frequency responses than the single PD under zero bias. The bias-free SC-PDA with 15 μm diameter of each PD demonstrated a 3 dB bandwidth of 19.4 GHz at 0.5 mA. The RF saturation photocurrent and maximum RF output power of the SC-PDA with 40 μm, 50 μm, and 60 μm diameter under zero bias is over 9.31 mA and -5.86 dBm at 3 GHz, 14.52 mA and 1.17 dBm at 1GHz, 13.72 mA and -1.76 dBm at 1 GHz, respectively.

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作者单位:

    Beijing University of Posts and Telecommunications
    Beijing University of Posts and Telecommunications
    Beijing University of Posts and Telecommunications
    Beijing University of Posts and Telecommunications
    Beijing University of Posts and Telecommunications

引用该论文

Yang Dan,Huang Yongqing,Liu Tao,Ma Xiaokai,Duan Xiaofeng,Liu kai,Ren Xiaomin. Bias-Free Operational Monolithic Symmetric-Connected Photodiode Array[J].Chinese Optics Letters,2020,18(1):01.