Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Wynn, Alex"'
Autor:
Das, Rabindra N., Bolkhovsky, Vladimir, Wynn, Alex, Birenbaum, Jeffrey, Golden, Evan, Rastogi, Ravi, Zarr, Scott, Tyrrell, Brian, Johnson, Leonard M., Schwartz, Mollie E., Yoder, Jonilyn L., Juodawlkis, Paul W.
Superconducting integrated circuit (SIC) is a promising "beyond-CMOS" device technology enables speed-of-light, nearly lossless communications to advance cryogenic (4 K or lower) computing. However, the lack of large-area superconducting IC has hinde
Externí odkaz:
http://arxiv.org/abs/2303.03252
Superconductor electronics (SCE) promise computer systems with orders of magnitude higher speeds and lower energy consumption than their complementary metal-oxide semiconductor (CMOS) counterparts. At the same time, the scalability and resource utili
Externí odkaz:
http://arxiv.org/abs/2206.07817
Recent advances in logic schemes and fabrication processes have renewed interest in using superconductor electronics for energy-efficient computing and quantum control processors. However, scalable superconducting memory still poses a challenge. To a
Externí odkaz:
http://arxiv.org/abs/2205.08016
Autor:
West, Joshua T., Kurlej, Arthur, Wynn, Alex, Rogers, Chad, Gouker, Mark A., Tolpygo, Sergey K.
Publikováno v:
IEEE Trans. Appl. Supercond., vol. 32, no. 5, pp. 1-12, Aug. 2022, Art no. 9500712
Using a fully automated cryogenic wafer prober, we measured superconductor fabrication process control monitors and simple integrated circuits on 200 mm wafers at 4.4 K, including SQIF-based magnetic field sensors, SQUID-based circuits for measuring
Externí odkaz:
http://arxiv.org/abs/2112.00705
Autor:
Tolpygo, Sergey K., Bolkhovsky, Vladimir, Rastogi, Ravi, Zarr, Scott, Day, Alexandra L., Golden, Evan, Weir, Terence J., Wynn, Alex, Johnson, Leonard M.
Publikováno v:
IEEE Transactions on Applied Superconductivity, vol. 29, issue 5, 1101208, 2019
We present our new fabrication Process for Superconductor Electronics (PSE2) that integrates two (2) layers of Josephson junctions in a fully planarized multilayer process on 200-mm wafers. The two junction layers can be, e.g., conventional Supercond
Externí odkaz:
http://arxiv.org/abs/1902.02830
Autor:
Volk, Jennifer1,2 (AUTHOR) jevolk@ucsb.edu, Wynn, Alex2 (AUTHOR), Golden, Evan2 (AUTHOR), Sherwood, Timothy3 (AUTHOR), Tzimpragos, Georgios4 (AUTHOR) gtzimpra@umich.edu
Publikováno v:
Scientific Reports. 11/18/2023, Vol. 13 Issue 1, p1-11. 11p.
Autor:
Tolpygo, Sergey K., Bolkhovsky, Vladimir, Oates, D. E., Rastogi, R., Zarr, S., Day, A. L., Weir, T. J., Wynn, Alex, Johnson, L. M.
Publikováno v:
IEEE Transactions on Applied Superconductivity, vol. 28, Issue 4, 1100212, June 2018
Recent progress in superconductor electronics fabrication has enabled single-flux-quantum (SFQ) digital circuits with close to one million Josephson junctions (JJs) on 1-cm$^2$ chips. Increasing the integration scale further is challenging because of
Externí odkaz:
http://arxiv.org/abs/1801.02659
Autor:
Tolpygo, Sergey K., Bolkhovsky, Vladimir, Rastogi, Ravi, Zarr, Scott, Day, Alexandra L., Weir, Terence J., Wynn, Alex, Johnson, Leonard M.
Publikováno v:
2017 16th International Superconductive Electronics Conference (ISEC)
We are developing a superconductor electronics fabrication process with up to nine planarized superconducting layers, stackable stud vias, self-shunted Nb/AlOx-Al/Nb Josephson junctions, and one layer of MoNx kinetic inductors. The minimum feature si
Externí odkaz:
http://arxiv.org/abs/1704.07683
Autor:
Tolpygo, Sergey K., Bolkhovsky, Vladimir, Zarr, Scott, Weir, T. J., Wynn, Alex, Day, Alexandra L., Johnson, L. M., Gouker, M. A.
Publikováno v:
IEEE Transactions on Applied Superconductivity, v. 27, no. 4, 1100815, June 2017
We investigated current-voltage characteristics of unshunted and externally shunted Josephson junctions (JJs) with high critical current densities, Jc, in order to extract their basic parameters and statistical characteristics for JJ modeling in supe
Externí odkaz:
http://arxiv.org/abs/1612.08435
Autor:
Tolpygo, Sergey K., Bolkhovsky, Vladimir, Weir, T. J., Wynn, Alex, Oates, D. E., Johnson, L. M., Gouker, M. A.
Publikováno v:
IEEE Trans. Appl. Supercond., vol. 26, No. 3, 1100110, April 2016
We review the salient features of two advanced nodes of an 8-Nb-layer fully planarized process developed recently at MIT Lincoln Laboratory for fabricating Single Flux Quantum(SFQ) digital circuits with very large scale integration on 200-mm wafers:
Externí odkaz:
http://arxiv.org/abs/1509.05081