Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Paul B. Welander"'
Autor:
Chris Sundahl, Junki Makita, Paul B. Welander, Yi-Feng Su, Fumitake Kametani, Lin Xie, Huimin Zhang, Lian Li, Alex Gurevich, Chang-Beom Eom
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
Abstract Superconducting radio-frequency (SRF) resonator cavities provide extremely high quality factors > 1010 at 1–2 GHz and 2 K in large linear accelerators of high-energy particles. The maximum accelerating field of SRF cavities is limited by p
Externí odkaz:
https://doaj.org/article/20157251216e4fa09c84677439219a3e
Autor:
Lin Xie, Huimin Zhang, Paul B. Welander, Yi-Feng Su, Junki Makita, Fumitake Kametani, C. Sundahl, Chang-Beom Eom, Alex Gurevich, Lian Li
Publikováno v:
Scientific Reports
Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
Superconducting radio-frequency (SRF) resonator cavities provide extremely high quality factors > 1010 at 1–2 GHz and 2 K in large linear accelerators of high-energy particles. The maximum accelerating field of SRF cavities is limited by penetratio
Autor:
Lian Li, Lin Xie, Huimin Zhang, Paul B. Welander, C. Sundahl, Fumitake Kametani, Alex Gurevich, Chang-Beom Eom, Yi-Feng Su, Junki Makita
Superconducting radio-frequency (SRF) resonator cavities provide extremely high quality factors > 1010 at 1-2 GHz and 2K in large linear accelerators of high-energy particles. The maximum accelerating field of SRF cavities is limited by penetration o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9f30760241064943a2d287f514539bd
https://doi.org/10.21203/rs.3.rs-151336/v1
https://doi.org/10.21203/rs.3.rs-151336/v1
Autor:
Hubert Stokowski, D. Das, Paul B. Welander, Emma Snively, B. Kuchhal, Emilio A. Nanni, Kevin Multani, A. Safavi-Naeni
Publikováno v:
2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
Ongoing progress in the development of superconducting microwave circuits has highlighted the additional vital challenge of transmitting quantum information robustly. As a practical solution to this problem, we propose to propagate a low loss (∼
Autor:
Paul B. Welander, Rishi N. Patel, Hubert Stokowski, Amir H. Safavi-Naeini, Emilio A. Nanni, Emma Snively, Nathan Lee, Wentao Jiang, Kevin K. S. Multani
Publikováno v:
2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
Proliferation of superconducting quantum technology is limited by the scalability of such systems. Networking physically separated quantum processors is seen as a potential solution to the scalability problem. We previously proposed a microwave-milli
Autor:
Amir H. Safavi-Naeini, Hubert Stokowski, Marek Pechal, Emma Snively, Jeremy D. Witmer, Kevin Multani, Emilio A. Nanni, Paul B. Welander
Publikováno v:
2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
Realization of quantum networks composed of superconducting microwave circuits acting as qubits recently gained tremendous attention as an effective way of scaling quantum computers. Here we present an experimental approach to fabricate mm-wave super
Autor:
Diana Gamzina, Timothy Horn, Christopher Ledford, Emilio A. Nanni, Michael Kozina, Apurva Mehta, Paul B. Welander, Sami Tantawi
Publikováno v:
2019 International Vacuum Electronics Conference (IVEC).
Copper is critical to the manufacturing of vacuum electronic devices due to its high electrical and thermal conductivities. It enables high RF performance while maintaining low thermal losses. Copper is also responsible for some of the challenges: RF
Autor:
Barry E. Burke, Christopher W. Leitz, X. Chen, Paul B. Welander, J. A. Gregory, Kevin Ryu, M. Zhu, Renee D. Lambert, Michael Cooper, D.-R. Yost, Harry R. Clark, Vladimir Bolkhovsky, Vyshnavi Suntharalingam
Publikováno v:
Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray.
We describe recent advances in backside passivation of large-format charge-coupled devices (CCDs) fabricated on 200- mm diameter wafers. These CCDs utilize direct oxide bonding and molecular-beam epitaxial (MBE) growth to enable high quantum efficien
Autor:
Paul B. Welander, William D. Oliver
Publikováno v:
MRS Bulletin. 38:816-825
Superconducting qubits are electronic circuits comprising lithographically defined Josephson tunnel junctions, inductors, capacitors, and interconnects. When cooled to dilution refrigerator temperatures, these circuits behave as quantum mechanical
Autor:
Matthew Franzi, Qingrong Feng, Sami Tantawi, Paul B. Welander, Can Yang, Kexin Liu, Xin Guo, Zhimao Ni
Publikováno v:
Superconductor Science and Technology. 30:045009
Magnesium diboride (MgB2) is a promising candidate material for superconducting radio frequency (RF) cavities because of its higher transition temperature and critical field compared with niobium. To meet the demand of RF test devices, the fabricatio