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Ahasan Ahamed
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Avalanche photodetectors with photon trapping structures for biomedical imaging applications
C Bartolo-Perez, S Chandiparsi, AS Mayet, H Cansizoglu, Y Gao, ...
Optics express 29 (12), 19024-19033, 2021
432021
Maximizing absorption in photon‐trapping ultrafast silicon photodetectors
C Bartolo-Perez, W Qarony, S Ghandiparsi, AS Mayet, A Ahamed, ...
Advanced Photonics Research 2 (6), 2000190, 2021
192021
Single microhole per pixel in CMOS image sensors with enhanced optical sensitivity in near-infrared
EP Devine, W Qarony, A Ahamed, AS Mayet, S Ghandiparsi, ...
IEEE Sensors Journal 21 (9), 10556-10562, 2021
172021
Smart nanophotonics silicon spectrometer array for hyperspectral imaging
A Ahamad, S Ghandiparsi, C Bartolo-Perez, AS Mayet, H Cansizoglu, ...
CLEO: Science and Innovations, STh3M. 2, 2020
132020
Achieving higher photoabsorption than group III-V semiconductors in ultrafast thin silicon photodetectors with integrated photon-trapping surface structures
W Qarony, AS Mayet, EP Devine, S Ghandiparsi, C Bartolo-Perez, ...
Advanced Photonics Nexus 2 (5), 056001-056001, 2023
122023
Modeling of nanohole silicon pin/nip photodetectors: Steady state and transient characteristics
T Yamada, EP Devine, S Ghandiparsi, C Bartolo-Perez, AS Mayet, ...
Nanotechnology 32 (36), 365201, 2021
112021
Design and Fabrication of High-Efficiency, Low-Power, and Low-Leakage Si-Avalanche Photodiodes for Low-Light Sensing
A Rawat, A Ahamed, C Bartolo-Perez, AS Mayet, LN McPhillips, MS Islam
ACS photonics 10 (5), 1416-1423, 2023
102023
Engineering the gain and bandwidth in avalanche photodetectors
C Bartolo-Perez, A Ahamed, AS Mayet, A Rawat, L McPhillips, ...
Optics Express 30 (10), 16873-16882, 2022
62022
Optimization of CMOS image sensors with single photon-trapping hole per pixel for enhanced sensitivity in near-infrared
EP Devine, A Ahamed, AS Mayet, S Ghandiparsi, C Bartolo-Perez, ...
arXiv preprint arXiv:2110.00206, 2021
52021
Single microhole per pixel for thin Ge-on-Si complementary metal-oxide semiconductor image sensor with enhanced sensitivity up to 1700 nm
E Ponizovskaya-Devine, AS Mayet, A Rawat, A Ahamed, SY Wang, ...
Journal of Nanophotonics 17 (1), 016012-016012, 2023
32023
Wavelength selective silicon avalanche photodiodes with controlled wide spectral gain by integrating photon-trapping microstructures
A Rawat, A Ahamed, LN Mcphillips, B Ergul-Yilmaz, C Bartolo-Perez, ...
Low-Dimensional Materials and Devices 2022 12200, 24-29, 2022
32022
Controlling light penetration depth to amplify the gain in ultra-fast silicon APDs and SPADs using photon-trapping nanostructures
A Ahamed, C Bartolo-Perez, AS Mayet, S GhandiParsi, X Zhou, J Bec, ...
Low-Dimensional Materials and Devices 2021 11800, 118000F, 2021
32021
Controlling the photon absorption characteristics in avalanche photodetectors for high resolution biomedical imaging
C Bartolo-Perez, S Ghandiparsi, AS Mayet, A Ahamed, W Qarony, ...
Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XVIII …, 2021
32021
Unique Hyperspectral Response Design in High-Speed Photodetectors Enabled by Periodic Surface Textures
A Ahamed, A Rawat, AS Mayet, LN McPhillips, MS Islam
Research Square, 2023
22023
3D Lumerical simulation of silicon photodiodes with microholes for high-speed short-reach intra-datacenter interconnects
DB Hamadou, S Ghandiparsi, R Elfakharany, T Landolsi, AF Elrefaie, ...
Applied Optics 62 (24), 6407-6416, 2023
12023
CMOS image sensor with micro-nano holes to improve NIR optical efficiency: holes on top surface vs on bottom
EP Devine, A Ahamad, A Mayet, A Rawat, AF Elrefaie, T Yamada, ...
IEEE Sensors Journal, 2023
12023
Optimizing the light penetration depth in APDs and SPADs for high gain-bandwidth and ultra-wide spectral response
A Ahamed, C Bartolo-Perez, AS Mayet, S Ghandiparsi, G Ariño-Estrada, ...
Quantum Sensing and Nano Electronics and Photonics XVIII 12009, 23-29, 2022
12022
Reconstruction-based spectroscopy using CMOS image sensors with random photon-trapping nanostructure per sensor
A Ahamed, C Bartolo-Perez, AS Mayet, S Ghandiparsi, L McPhillips, ...
High-Speed Biomedical Imaging and Spectroscopy VII 11971, 28-35, 2022
12022
Unique Hyperspectral Response Design Enabled by Periodic Surface Textures in Photodiodes
A Ahamed, A Rawat, LN McPhillips, AS Mayet, MS Islam
ACS Photonics, 2024
2024
On-chip hyperspectral detectors for fluorescence lifetime imaging
A Ahamed, A Rawat, LN McPhillips, L Marcu, MS Islam
High-Speed Biomedical Imaging and Spectroscopy IX 12853, 18-27, 2024
2024
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