Quantum Nanostructures and
Nanofabrication Group

Prof. Karl K. Berggren and Dr. P. Donald Keathley

Matteo Castellani

Research Assistant

PhD Student, EECS

Massachusetts Institute of Technology
Department of Electrical Engineering and Computer Science
66 Massachusetts Ave., Suite 36-233
Cambridge, MA 02139

Email: mcaste@mit.edu

Matteo is a graduate student in the Electrical Engineering and Computer Science department at MIT. He received his M.Sc. degree in Micro and Nanotechnologies for Integrated Systems from the Polytechnic University of Turin, Grenoble Institute of Technology, and École Polytechnique Fédérale in 2020, and his B.Sc. in Engineering Physics from the Polytechnic University of Turin in 2018.
His current work is focused on superconducting nanowires for neuromorphic computing and single-photon detectors.

QNN Publications, Conference Papers, & Thesis

Simon, A., Foster, R., Medeiros, O., Castellani, M., Batson, E., & Berggren, K. K. (2025). Characterizing and Modeling the Influence of Geometry on the Performance of Superconducting Nanowire Cryotrons. IEEE Transactions on Applied Superconductivity, 35(5), 1–5. https://doi.org/10.1109/TASC.2024.3521894
Medeiros, O., Castellani, M., Karam, V., Foster, R., Simon, A., Incalza, F., Butters, B., Colangelo, M., & Berggren, K. K. (2025). Scalable Superconducting Nanowire Memory Array with Row-Column Addressing (No. arXiv:2503.22897). arXiv. https://doi.org/10.48550/arXiv.2503.22897
Simon, A., Foster, R. A., Medeiros, O., Castellani, M., Batson, E. K., & Berggren, K. K. (2024). Characterizing and modeling the influence of geometry on the performance of superconducting nanowire cryotrons (No. arXiv:2409.17366). arXiv. https://doi.org/10.48550/arXiv.2409.17366
Foster, R. A., Simon, A., Castellani, M., Medeiros, O., & Berggren, K. K. (2024, September 9). Nanocryotrons: devices for readout of superconducting detectors and beyond [Invited Presentaion]. QUEST 2024, Fukuoka, Japan.
Medeiros, O., Colangelo, M., Butters, B. A., Karam, V., Castellani, M., Foster, R. A., & Berggren, Karl K. (2024, September 3). A 16 Bit Superconducting Nanowire Memory Array. Applied Superconductivity Conference, Salt Lake City, Utah.
Castellani, M., Medeiros, O., Foster, R. A., Buzzi, A., Colangelo, M., Bienfang, J. C., Restelli, A., & Berggren, K. K. (2024). Nanocryotron ripple counter integrated with a superconducting nanowire single-photon detector for megapixel arrays. Physical Review Applied, 22(2), 024020. https://doi.org/10.1103/PhysRevApplied.22.024020
Batson, E. K., Incalza, F., Castellani, M., Colangelo, M., Charaev, I., Schilling, A., Cherednichenko, S., & Berggren, K. K. (2024). Effects of Helium Ion Exposure on the Single-Photon Sensitivity of MgB₂ and NbN Detectors. IEEE Transactions on Applied Superconductivity, 1–6. https://doi.org/10.1109/TASC.2024.3425158
Karam, V., Medeiros, O., Dandachi, T. E., Castellani, M., Foster, R. A., Colangelo, M., & Berggren, K. K. (2024). Parameter extraction for a superconducting thermal switch (hTron) SPICE model (No. arXiv:2401.12360). arXiv.
Giribaldi, G., Colombo, L., Castellani, M., Masud, M. A., Piazza, G., & Rinaldi, M. (2024). Up-Scaling Microacoustics: 20 to 35 GHz ALN Resonators with f • Q Products Exceeding 14 THz. 2024 IEEE 37th International Conference on Micro Electro Mechanical Systems (MEMS), 31–35. https://doi.org/10.1109/MEMS58180.2024.10439371
Castellani, M., Medeiros, O., Foster, R. A., Buzzi, A., Colangelo, M., Bienfang, J. C., Restelli, A., & Berggren, K. K. (2023). A Nanocryotron Ripple Counter Integrated with a Superconducting Nanowire Single-Photon Detector for Megapixel Arrays (No. arXiv:2304.11700). arXiv. https://doi.org/10.48550/arXiv.2304.11700
Foster, R. A., Castellani, M., Buzzi, A., Medeiros, O., Colangelo, M., & Berggren, K. K. (2023). A superconducting nanowire binary shift register. Applied Physics Letters, 122(15), 152601. https://doi.org/10.1063/5.0144685
Buzzi, A., Castellani, M., Foster, R. A., Medeiros, O., Colangelo, M., & Berggren, K. K. (2023). A nanocryotron memory and logic family. Applied Physics Letters, 122(14), 142601.
Foster, R. A., Castellani, M., Buzzi, A., Medeiros, O., Colangelo, M., & Berggren, K. K. (2023). A Superconducting Nanowire Binary Shift Register (No. arXiv:2302.04942). arXiv.
Buzzi, A., Castellani, M., Foster, R. A., Medeiros, O., Colangelo, M., & Berggren, K. K. (2022). A Nanocryotron Memory and Logic Family (No. arXiv:2212.07953). arXiv. https://doi.org/10.48550/arXiv.2212.07953
Castellani, M. (2022, October 24). A superconducting nanowire pulse counter integrated with an SNSPD [Oral Presentation]. ASC 2022, Honolulu, Hawaii.
Castellani, M. (2022, June 8). A Superconducting Nanowire Platform for Artificial Spiking Neural Networks [Oral Presentation]. WOLTE 15, Matera, Italy.
Buzzi, A. (2022, June 8). Building blocks design for superconducting nanowire asynchronous logic [Oral Presentation]. WOLTE 15, Matera, Italy.
Castellani, M. (2022, June 2). Design of a Superconducting Nanowire-Based Synapse for Energy-Efficient Spiking Neural Networks [Oral Presentation]. EIPBN 2022, New Orleans, LA.
Lombo, A. E., Lares, J. E., Castellani, M., Chou, C.-N., Lynch, N., & Berggren, K. K. (2021). A Superconducting Nanowire-based Architecture for Neuromorphic Computing (No. arXiv:2112.08928). arXiv. https://doi.org/10.48550/arXiv.2112.08928
Toomey, E., Segall, K., Castellani, M., Colangelo, M., Lynch, N., & Berggren, K. K. (2020). Superconducting Nanowire Spiking Element for Neural Networks. Nano Letters, 20(11), 8059–8066.
QNN Talks

Foster, R. A., Simon, A., Castellani, M., Medeiros, O., & Berggren, K. K. (2024, September 9). Nanocryotrons: devices for readout of superconducting detectors and beyond [Invited Presentaion]. QUEST 2024, Fukuoka, Japan.
Medeiros, O., Colangelo, M., Butters, B. A., Karam, V., Castellani, M., Foster, R. A., & Berggren, Karl K. (2024, September 3). A 16 Bit Superconducting Nanowire Memory Array. Applied Superconductivity Conference, Salt Lake City, Utah.
Castellani, M. (2022, October 24). A superconducting nanowire pulse counter integrated with an SNSPD [Oral Presentation]. ASC 2022, Honolulu, Hawaii.
Castellani, M. (2022, June 8). A Superconducting Nanowire Platform for Artificial Spiking Neural Networks [Oral Presentation]. WOLTE 15, Matera, Italy.
Buzzi, A. (2022, June 8). Building blocks design for superconducting nanowire asynchronous logic [Oral Presentation]. WOLTE 15, Matera, Italy.
Castellani, M. (2022, June 2). Design of a Superconducting Nanowire-Based Synapse for Energy-Efficient Spiking Neural Networks [Oral Presentation]. EIPBN 2022, New Orleans, LA.