Dr. Martin Prest: Martin received his PhD from the University of Warwick in 2001 where he studied SiGe MOSFETs, germanium was used to strain the lattice in thin SiGe alloy layers; the layers formed quantum wells in the device with high carrier mobility. He studied carrier mobility at low-temperature and fitted carrier scattering models to measurements. The valence-band offset in SiGe pMOS was shown to reduce 1/f noise. His post-doctoral research at Warwick involved investigation of strained-silicon MOSFETs and Schottky source-drain contacts. He also used tunnel junctions between strained-silicon and superconducting aluminium for electron-cooling below 300 mK and for applications in THz sensors and imaging. At Birmingham University he developed and demonstrated a micro-mechanical actuator for tuning of a superconducting microwave resonator with operation at 77 K. At Cardiff University he developed finite-element models of thermoelectric power convertors, optimising geometry for integration with solar-cells. Since joining CEI in June 2018 Martin has been using Silvaco simulation tools for the development of image sensors.
Development of semiconductor image sensors for space applications. Simulation of CMOS and CCD image sensors to optimise charge collection efficiency.
Role | Start date | End date | Funding source |
---|---|---|---|
Lead | 01 Apr 2021 | 31 Dec 2022 | ESA (European Space Agency) |
We propose to manufacture CMOS image sensors with a novel nanostructured black silicon (b-Si) anti-reflection (AR) coating and to characterize their electro-optical performance. Initial results from tests of this coating, developed by Aalto University (Finland), show that it can increase the ... Show more |
CMOS Image Sensor for Broad Spectral Range with >90% Quantum Efficiency (2023-11)
Setälä, Olli E.; Prest, Martin J.; Stefanov, Konstantin D.; Jordan, Douglas; Soman, Matthew R.; Vähänissi, Ville and Savin, Hele
Small, 19, Article 2304001(47)
Pinned Photodiode Imaging Pixel With Floating Gate Readout and Dual Gain (2023)
Stefanov, Konstantin D. and Prest, Martin J.
IEEE Transactions on Electron Devices, 70(6) (pp. 3136-3139)
Simulations and Design of a Single-Photon CMOS Imaging Pixel Using Multiple Non-Destructive Signal Sampling (2020)
Stefanov, Konstantin; Prest, Martin J.; Downing, Mark; George, Elizabeth; Bezawada, Naidu and Holland, Andrew
Sensors, 20(7)
In situ cryogenic electro-optical and radiation hardness characterization of a T2SL MWIR sensor for space imaging (2024-08-27)
Dazzazi, Imane; Ivory, James M.; Prest, Martin; Stefanov, Konstantin D.; Patel, Manish R.; Douglas, Jordan and Hall, David J.
In : X-Ray, Optical, and Infrared Detectors for Astronomy XI (16-19 Jun 2024, Yokohama, Japan)
Improved QE in CMOS image sensors with nano-black antireflection layer (2023-05-21)
Prest, Martin J.; Setälä, Olli; Stefanov, Konstantin D.; Vähänissi, Ville; Savin, Hele and Jordan, Douglas
In : 2023 International Image Sensor Workshop (21-25 May 2023, Crieff, Scotland)
High Dynamic Range Pinned Photodiode Pixel with Floating Gate Readout and Dual Gain (2023-05)
Stefanov, Konstantin and Prest, Martin J.
In : 2023 International Image Sensor Workshop (21-25 May 2023, Crieff, Scotland)