A Low-Power, Inductorless Wideband Cryogenic Amplifier for Superconducting Nanowire Single Photon Detector

This paper presents a low-power, inductorless wideband cryogenic amplifier for superconducting nanowire single photon detector. To achieve wide bandwidth, low power consumption and small chip area, a modified Cherry-Hooper amplifier topology is used. With good input and output match, at 4.2 K temper...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2019-09, Vol.29 (6), p.1-6
Main Authors: He, Long, Li, Lianming, Niu, Xiaokang, Xia, Haiyang, Xie, Min, Wu, Xu, Zhang, Labao, Kang, Lin, Wang, Zhigong
Format: Article
Language:English
Subjects:
Amplification
Amplifiers
Broadband
Capacitors
Cryogenic amplifier
Cryogenics
Gain
low power
Nanowires
Power consumption
Quantum theory
Silicon
Silicon germanium
superconducting nanowire single photon detectors
Superconductivity
Transistors
Wideband
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Summary:This paper presents a low-power, inductorless wideband cryogenic amplifier for superconducting nanowire single photon detector. To achieve wide bandwidth, low power consumption and small chip area, a modified Cherry-Hooper amplifier topology is used. With good input and output match, at 4.2 K temperature the measurement results show that the amplifier achieves 23-dB gain with a flat gain response, a 3-dB bandwidth of over 3.4 GHz, which covers frequencies as low as 130 kHz. Fabricated in a 0.13-μm silicon germanium (SiGe) BiCMOS technology, the amplifier core occupies a silicon area of only 0.075 mm 2 and consumes a power of only 4 mW.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2018.2890700