WORKSHOP PAPER
A Multi-Mode Pixel with Photodiode and Clock-Recharged SPAD Operation for Continuous Recording Applications
Xin Sun1,2, Maciej Wojtkiewicz1, Istvan Gyongy1, Srinjoy Mitra1, Filip Kaklin2
1The University of Edinburgh, Institute for Integrated Micro and Nano Systems, Edinburgh, U.K.
2STMicroelectronics, 1 Tanfield, Inverleith Row, Edinburgh EH3 5DA, U.K.

Abstract

We present a multi-mode, high-dynamic-range (HDR) photodiode (PD) pixel architecture designed for continuous optical signal recording and high-frame-rate applications. Recent advances in image sensor technology face challenges in achieving a wide dynamic range...
Year: 2025
Workshop: IISW
URL: https://doi.org/10.60928/og52-4bpq

Keywords

photodiode, SPAD, pixel, sensitivity, dynamic range,

References

1) Y. Ota, K. Morimoto, T. Sasago, M. Shinohara, Y. Kuroda, W. Endo, Y. Maehashi, S. Maekawa, H. Tsuchiya, A. Abdelahafar, S. Hikosaka, M. Motoyama, K. Tojima, K. Uehira, J. Iwata, F. Inui, Y. Matsuno, K. Sakurai, and T. Ichikawa, "A 0.37W 143dB-Dynamic-Range 1Mpixel Backside-Illuminated Charge-Focusing SPAD Image Sensor with Pixel-Wise Exposure Control and Adaptive Clocked Recharging", 2022 IEEE International Solid-State Circuits Conference (ISSCC), 2022. https://doi.org/10.1109/isscc42614.2022.9731644
2) Y. Niu, J. Wu, W. Liu, W. Guo, and R. W. H. Lau, "HDR-GAN: HDR Image Reconstruction From Multi-Exposed LDR Images With Large Motions", IEEE Transactions on Image Processing, 2021. https://doi.org/10.1109/tip.2021.3064433
3) H. Ouh, B. Shen, and M. L. Johnston, "Combined In-Pixel Linear and Single-Photon Avalanche Diode Operation With Integrated Biasing for Wide-Dynamic-Range Optical Sensing", IEEE Journal of Solid-State Circuits, 2020. https://doi.org/10.1109/jssc.2019.2944856
4) K. Morimoto, J. Iwata, M. Shinohara, H. Sekine, A. Abdelghafar, H. Tsuchiya, Y. Kuroda, K. Tojima, W. Endo, Y. Maehashi, Y. Ota, T. Sasago, S. Maekawa, S. Hikosaka, T. Kanou, A. Kato, T. Tezuka, S. Yoshizaki, T. Ogawa, K. Uehira, A. Ehara, F. Inui, Y. Matsuno, K. Sakurai, and T. Ichikawa, "3.2 Megapixel 3D-Stacked Charge Focusing SPAD for Low-Light Imaging and Depth Sensing", 2021 IEEE International Electron Devices Meeting (IEDM), 2021. https://doi.org/10.1109/iedm19574.2021.9720605