Single-photon detection for long-range imaging and sensing

RH Hadfield, J Leach, F Fleming, DJ Paul, CH Tan… - Optica, 2023 - opg.optica.org
Single-photon detectors with picosecond timing resolution have advanced rapidly in the past
decade. This has spurred progress in time-correlated single-photon counting applications …

[HTML][HTML] Advancements in fluorescence lifetime imaging microscopy Instrumentation: Towards high speed and 3D

J Park, L Gao - Current Opinion in Solid State and Materials Science, 2024 - Elsevier
Fluorescence lifetime imaging microscopy (FLIM) is a powerful imaging tool offering
molecular specific insights into samples through the measurement of fluorescence decay …

[HTML][HTML] Review of Ge (GeSn) and InGaAs avalanche diodes operating in the SWIR spectral region

Y Miao, H Lin, B Li, T Dong, C He, J Du, X Zhao, Z Zhou… - Nanomaterials, 2023 - mdpi.com
Among photodetectors, avalanche photodiodes (APDs) have an important place due to their
excellent sensitivity to light. APDs transform photons into electrons and then multiply the …

Room temperature operation of germanium–silicon single-photon avalanche diode

N Na, YC Lu, YH Liu, PW Chen, YC Lai, YR Lin, CC Lin… - Nature, 2024 - nature.com
The ability to detect single photons has led to the advancement of numerous research
fields,,,,,,,,,–. Although various types of single-photon detector have been developed …

[HTML][HTML] High-performance waveguide coupled Germanium-on-silicon single-photon avalanche diode with independently controllable absorption and multiplication

H Wang, Y Shi, Y Zuo, Y Yu, L Lei, X Zhang, Z Qian - Nanophotonics, 2023 - degruyter.com
Abstract Germanium-on-silicon (Ge-on-Si) single photon avalanche diodes (SPADs) have
received wide attention in recent years due to their potential to be integrated with Si …

Time-division technique for quantum optical receivers utilizing single-photon detector array technology and spatial-multiplexing

AT Castillo, R Donaldson - Optics Express, 2022 - opg.optica.org
Free-space quantum key distribution (QKD) has been gaining popularity in recent years due
to its advantages in creating networking options for the quantum internet. One of the main …

Timing measurements with silicon single photon avalanche diodes: principles and perspectives

G Acconcia, F Ceccarelli, A Gulinatti, I Rech - Optics Express, 2023 - opg.optica.org
Picosecond timing of single photons has laid the foundation of a great variety of
applications, from life sciences to quantum communication, thanks to the combination of …

Afterpulsing in Ge-on-Si single-photon avalanche diodes

X Yi, Z Greener, F Fleming, J Kirdoda… - IEEE Photonics …, 2023 - ieeexplore.ieee.org
In this letter, we investigate afterpulsing in 26 and diameter planar geometry Ge-on-Si single-
photon avalanche diode (SPAD) detectors, by use of the double detector gating method with …

Germanium-on-silicon avalanche photodiode for 1550 nm weak light signal detection at room temperature

Y Li, X Liu, X Li, L Zhang, B Chen, Z Zhi, X Li… - Chinese Optics …, 2022 - opg.optica.org
To optimize the dark current characteristic and detection efficiency of the 1550 nm weak light
signal at room temperature, this work proposes a Ge-on-Si avalanche photodiode (APD) in …

Surface-normal illuminated pseudo-planar Ge-on-Si avalanche photodiodes with high gain and low noise

F Fleming, X Yi, MMA Mirza, X Jin, J Kirdoda… - Optics …, 2024 - opg.optica.org
Germanium-on-Silicon (Ge-on-Si) avalanche photodiodes (APDs) are of considerable
interest as low intensity light detectors for emerging applications. The Ge absorption layer …