1/f Noise Characteristics of Waveguide-Integrated PbTe MIR Detectors and Impact on Limit of Detection

Emanuele Guglielmi,Peter Su,Francesco Zanetto,Katherine Stoll,Samuel Serna,Giorgio Ferrari,Marco Sampietro,Kazumi Wada,Lionel C. Kimerling,Anuradha Agarwal

Journal of Lightwave Technology（2021）

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摘要

The noise power spectral density of a detector is essential for determining the frequency of operation and readout architecture that yields an optimal signal-to-noise ratio. In this work, we characterize a waveguide-integrated PbTe mid-infrared detector and report on its noise spectrum, highlighting the presence of a current-dependent 1/f term dominating at low frequency and/or high bias over the ...

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关键词

Detectors,Frequency measurement,Voltage measurement,Noise measurement,Semiconductor device measurement,Photoconducting materials,Optical waveguides

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