Dual-mode, enhanced dynamic range CMOS optical sensor for biomedical applications. - Hyunkyu Ouh; Shaan Sengupta; Soumya Bose; Matthew L. Johnston (BioCAS, 2017)

An all-digital CMOS ambient light sensor using a single photon avalanche diode. - Shaan Sengupta; Hyunkyu Ouh; Matthew L. Johnston (IEEE SENSORS, 2017)

Dual-mode, in-pixel linear and single-photon avalanche diode readout for low-light dynamic range extension in photodetector arrays. - Hyunkyu Ouh; Matthew L. Johnston (CICC, 2018)

A 43.8µW per Channel Biopotential Readout System using Frequency Division Multiplexing with Cable Motion Artifact Suppression. - Jinyong Kim; Hyunkyu Ouh; Matthew L. Johnston (CICC, 2020)

A Sub-Hertz Bandpass Low Noise Amplifier for Biopotential Signal Acquisition with Parasitic Pole Cancellation. - Jinyong Kim; Hyunkyu Ouh; Matthew L. Johnston (MWSCAS, 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)

Linear and Single-Photon Avalanche Diode Dual-Mode CMOS Optical Sensor with High Frame Rate Operation. - Tzu-Hsuan Chou; Hyunkyu Ouh; Jinyong Kim; Matthew L. Johnston (MWSCAS, 2021)

Multi-Channel Biopotential Acquisition System Using Frequency-Division Multiplexing With Cable Motion Artifact Suppression. - Jinyong Kim; Hyunkyu Ouh; Matthew L. Johnston (IEEE Trans. Biomed. Circuits Syst., 2021)