On-chip high-voltage SPAD bias generation using a dual-mode, closed-loop charge pump. - Boyu Shen; Soumya Bose; Matthew L. Johnston (ISCAS, 2017)

Zero Reversion Loss, High-Efficiency Charge Pump for Wide Output Current Load Range. - Boyu Shen; Matthew L. Johnston (ISCAS, 2018)

Fully-Integrated Charge Pump Design Optimization for Above-Breakdown Biasing of Single-Photon Avalanche Diodes in 0.13-µm CMOS. - Boyu Shen; Soumya Bose; Matthew L. Johnston (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)

A 1.2 V-20 V Closed-Loop Charge Pump for High Dynamic Range Photodetector Array Biasing. - Boyu Shen; Soumya Bose; Matthew L. Johnston (IEEE Trans. Circuits Syst. II Express Briefs, 2019)

26.5 A 20µW Heartbeat Detection System-on-Chip Powered by Human Body Heat for Self-Sustaining Wearable Healthcare. - Soumya Bose; Boyu Shen; Matthew L. Johnston (ISSCC, 2020)

DC-100 kHz Tunable Readout IC for Impedance Spectroscopy and Amperometric Measurement of Electrochemical Sensors. - Boyu Shen; Matthew L. Johnston (MWSCAS, 2020)

A Batteryless Motion-Adaptive Heartbeat Detection System-on-Chip Powered by Human Body Heat. - Soumya Bose; Boyu Shen; Matthew L. Johnston (IEEE J. Solid State Circuits, 2020)

Combined In-Pixel Linear and Single-Photon Avalanche Diode Operation With Integrated Biasing for Wide-Dynamic-Range Optical Sensing. - Hyunkyu Ouh; Boyu Shen; Matthew L. Johnston (IEEE J. Solid State Circuits, 2020)

A 6 pArms 50 kHz-40 MHz Impedance Sensor for Source-Differential Flow Cytometry. - Boyu Shen; Jacob Dawes; Matthew L. Johnston (BioCAS, 2021)

A Digitally-Reconfigurable RC Frequency Generator using Impedance IQ-Balanced Frequency-Locked-Loop with Selectable Phase Mixing. - Boyu Shen; Matthew L. Johnston (CICC, 2021)

E-commerce Customer Segmentation via Unsupervised Machine Learning. - Boyu Shen (CONF-CDS, 2021)

A Frequency-Locked Oscillator Using Complex RC Impedance IQ-Balancing. - Boyu Shen; Soumya Bose; Matthew L. Johnston (IEEE J. Solid State Circuits, 2022)

A 10 M$ mathrm{ Omega }$, 50 kHz-40 MHz Impedance Measurement Architecture for Source-Differential Flow Cytometry. - Boyu Shen; Jacob Dawes; Matthew L. Johnston (IEEE Trans. Biomed. Circuits Syst., 2022)

Microfluidic Lab-on-CMOS Packaging Using Wafer-Level Molding and 3D-Printed Interconnects. - Jacob Dawes; Tzu-Hsuan Chou; Boyu Shen; Matthew L. Johnston (IEEE Trans. Biomed. Circuits Syst., 2024)