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9 November 2018 A monolithic readout circuit for high-frequency sine wave gating single-photon detection
Wen-Hao Jiang, Jian-Hong Liu, Ge Jin, Jun Zhang, Jian-Wei Pan
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Proceedings Volume 10825, Quantum and Nonlinear Optics V; 108251F (2018) https://doi.org/10.1117/12.2502329
Event: SPIE/COS Photonics Asia, 2018, Beijing, China
Abstract
Single-photon avalanche diodes (SPADs) are widely used for practical applications requiring single-photon detection. The readout circuit, or quenching electronics, plays an important role for the operations of SPADs. Sine wave gating (SWG) is one of the key techniques for synchronous single-photon detection that can easily operate SPADs with a gating frequency as high as GHz level. Here we present a monolithic readout circuit for 1.25 GHz SWG SPADs. The monolithic chip, including a low-noise amplifier and two low-pass filters inside, is designed for weak avalanche extraction in the SWG scheme and fabricated using the technology of low temperature co-fired ceramic with a size of 15 mm × 15 mm. We then apply the monolithic chip into an InGaAs/InP single-photon detector (SPD). After the characterization both on the monolithic chip and the InGaAs/InP SPD, the functionality of the monolithic readout circuit is effectively verified. Implementing the monolithic integration of readout circuit is a key step towards developing miniaturized InGaAs/InP SPDs.
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Wen-Hao Jiang, Jian-Hong Liu, Ge Jin, Jun Zhang, and Jian-Wei Pan "A monolithic readout circuit for high-frequency sine wave gating single-photon detection", Proc. SPIE 10825, Quantum and Nonlinear Optics V, 108251F (9 November 2018); https://doi.org/10.1117/12.2502329
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KEYWORDS
Single photon detectors
Ceramics
Photodetectors
Avalanche photodiodes
Integrated circuit design
Integrated circuits
Readout integrated circuits
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