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4 results on '"Calusine G"'

1. Dark matter axion search using a Josephson Traveling wave parametric amplifier

Author

Bartram, C., primary, Braine, T., additional, Cervantes, R., additional, Crisosto, N., additional, Du, N., additional, Leum, G., additional, Mohapatra, P., additional, Nitta, T., additional, Rosenberg, L. J., additional, Rybka, G., additional, Yang, J., additional, Clarke, John, additional, Siddiqi, I., additional, Agrawal, A., additional, Dixit, A. V., additional, Awida, M. H., additional, Chou, A. S., additional, Hollister, M., additional, Knirck, S., additional, Sonnenschein, A., additional, Wester, W., additional, Gleason, J. R., additional, Hipp, A. T., additional, Jois, S., additional, Sikivie, P., additional, Sullivan, N. S., additional, Tanner, D. B., additional, Lentz, E., additional, Khatiwada, R., additional, Carosi, G., additional, Cisneros, C., additional, Robertson, N., additional, Woollett, N., additional, Duffy, L. D., additional, Boutan, C., additional, Jones, M., additional, LaRoque, B. H., additional, Oblath, N. S., additional, Taubman, M. S., additional, Daw, E. J., additional, Perry, M. G., additional, Buckley, J. H., additional, Gaikwad, C., additional, Hoffman, J., additional, Murch, K., additional, Goryachev, M., additional, McAllister, B. T., additional, Quiskamp, A., additional, Thomson, C., additional, Tobar, M. E., additional, Bolkhovsky, V., additional, Calusine, G., additional, Oliver, W., additional, and Serniak, K., additional

Published
2023
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2. Comparison of dielectric loss in titanium nitride and aluminum superconducting resonators

Author

Lincoln Laboratory, Massachusetts Institute of Technology. Research Laboratory of Electronics, Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science, Melville, A, Calusine, G, Woods, W, Serniak, K, Golden, E, Niedzielski, BM, Kim, DK, Sevi, A, Yoder, JL, Dauler, EA, Oliver, WD, Lincoln Laboratory, Massachusetts Institute of Technology. Research Laboratory of Electronics, Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science, Melville, A, Calusine, G, Woods, W, Serniak, K, Golden, E, Niedzielski, BM, Kim, DK, Sevi, A, Yoder, JL, Dauler, EA, and Oliver, WD

Abstract

© 2020 Author(s). Lossy dielectrics are a significant source of decoherence in superconducting quantum circuits. In this report, we model and compare the dielectric loss in bulk and interfacial dielectrics in titanium nitride (TiN) and aluminum (Al) superconducting coplanar waveguide resonators. We fabricate isotropically trenched resonators to produce a series of device geometries that accentuate a specific dielectric region's contribution to the resonator quality factor. While each dielectric region contributes significantly to loss in TiN devices, the metal-air interface dominates the loss in the Al devices. Furthermore, we evaluate the quality factor of each TiN resonator geometry with and without a post-process hydrofluoric etch and find that it reduced losses from the substrate-air interface, thereby improving the quality factor.

Published
2021

4. Analysis and mitigation of interface losses in trenched superconducting coplanar waveguide resonators

Author

Calusine, G., primary, Melville, A., additional, Woods, W., additional, Das, R., additional, Stull, C., additional, Bolkhovsky, V., additional, Braje, D., additional, Hover, D., additional, Kim, D. K., additional, Miloshi, X., additional, Rosenberg, D., additional, Sevi, A., additional, Yoder, J. L., additional, Dauler, E., additional, and Oliver, W. D., additional

Published
2018
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