Measurements of quasiparticle tunneling dynamics in a band-gap-engineered transmon qubit

Physical Review Letters

Volumn 108, Issue 23, 2012, Pages

  Sun, L ^a   Dicarlo, L ^a,b   Reed, M D ^a   Catelani, G ^a   Bishop, Lev S ^a,c   Schuster, D I ^a,d   Johnson, B R ^a,e   Yang, Ge A ^a,d   Frunzio, L ^a   Glazman, L ^a   Devoret, M H ^a   Schoelkopf, R J ^a  

^a YALE UNIVERSITY   (United States)

^b DELFT UNIVERSITY OF TECHNOLOGY   (Netherlands)

^c Bldg 142   (United States)

^d UNIVERSITY OF CHICAGO   (United States)

^e BBN TECHNOLOGIES   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BAND GAP ENGINEERING; CHARGE PARITY; ENERGY RELAXATION; FREQUENCY SWITCHING; GAP PROFILES; JUNCTION ELECTRODES; OXYGEN-DOPED; QUASI PARTICLES; REAL TIME; SWITCHING TIME; TRANSITION FREQUENCIES; TUNNELING DYNAMICS;

ENERGY GAP; QUANTUM COMPUTERS; TUNNEL JUNCTIONS;

TUNNELS;

EID: 84862165585     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.108.230509     Document Type: Article

References (29)

1. L. DiCarlo, J.M. Chow, J.M. Gambetta, L.S. Bishop, B.R. Johnson, D.I. Schuster, J. Majer, A. Blais, L. Frunzio, S.M. Girvin, Nature (London) 460, 240 (2009). NATUAS 0028-0836 10.1038/nature08121
2. L. DiCarlo, M.D. Reed, L. Sun, B.R. Johnson, J.M. Chow, J.M. Gambetta, L. Frunzio, S.M. Girvin, M.H. Devoret, and R.J. Schoelkopf, Nature (London) 467, 574 (2010). NATUAS 0028-0836 10.1038/nature09416
3. M. Neeley, R.C. Bialczak, M. Lenander, E. Lucero, M. Mariantoni, A.D. O'Connell, D. Sank, H. Wang, M. Weides, J. Wenner, Nature (London) 467, 570 (2010). NATUAS 0028-0836 10.1038/nature09418
4. E. Lucero, M. Hofheinz, M. Ansmann, R.C. Bialczak, N. Katz, M. Neeley, A.D. O'Connell, H. Wang, A.N. Cleland, and J.M. Martinis, Phys. Rev. Lett. 100, 247001 (2008). PRLTAO 0031-9007 10.1103/PhysRevLett.100.247001
5. J.M. Chow, J.M. Gambetta, L. Tornberg, J. Koch, L.S. Bishop, A.A. Houck, B.R. Johnson, L. Frunzio, S.M. Girvin, and R.J. Schoelkopf, Phys. Rev. Lett. 102, 090502 (2009). PRLTAO 0031-9007 10.1103/PhysRevLett.102.090502
6. H. Paik, D.I. Schuster, L.S. Bishop, G. Kirchmair, G. Catelani, A.P. Sears, B.R. Johnson, M.J. Reagor, L. Frunzio, L. Glazman, Phys. Rev. Lett. 107, 240501 (2011). PRLTAO 0031-9007 10.1103/PhysRevLett.107.240501
7. J.M. Martinis, M. Ansmann, and J. Aumentado, Phys. Rev. Lett. 103, 097002 (2009). PRLTAO 0031-9007 10.1103/PhysRevLett.103.097002
8. G. Catelani, J. Koch, L. Frunzio, R.J. Schoelkopf, M.H. Devoret, and L.I. Glazman, Phys. Rev. Lett. 106, 077002 (2011). PRLTAO 0031-9007 10.1103/PhysRevLett.106.077002
9. M. Lenander, H. Wang, R.C. Bialczak, E. Lucero, M. Mariantoni, M. Neeley, A.D. O'Connell, D. Sank, M. Weides, J. Wenner, Phys. Rev. B 84, 024501 (2011). PRBMDO 1098-0121 10.1103/PhysRevB.84.024501
10. J. Aumentado, M.W. Keller, J.M. Martinis, and M.H. Devoret, Phys. Rev. Lett. 92, 066802 (2004). PRLTAO 0031-9007 10.1103/PhysRevLett.92.066802
11. J.A. Schreier, A.A. Houck, J. Koch, D.I. Schuster, B.R. Johnson, J.M. Chow, J.M. Gambetta, J. Majer, L. Frunzio, M.H. Devoret, Phys. Rev. B 77, 180502 (2008). PRBMDO 1098-0121 10.1103/PhysRevB.77.180502
12. G. Catelani, R.J. Schoelkopf, M.H. Devoret, and L.I. Glazman, Phys. Rev. B 84, 064517 (2011). PRBMDO 1098-0121 10.1103/PhysRevB.84.064517
13. J.R. Friedman, V. Patel, W. Chen, S.K. Tolpygo, and J.E. Lukens, Nature (London) 406, 43 (2000). NATUAS 0028-0836 10.1038/35017505
14. C.H. van der Wal, A.C.J. ter Haar, F.K. Wilhelm, R.N. Schouten, C.J.P.M. Harmans, T.P. Orlando, S. Lloyd, and J.E. Mooij, Science 290, 773 (2000). SCIEAS 0036-8075 10.1126/science.290.5492.773
15. J.M. Martinis, S. Nam, J. Aumentado, and C. Urbina, Phys. Rev. Lett. 89, 117901 (2002). PRLTAO 0031-9007 10.1103/PhysRevLett.89.117901
16. J. Koch, T.M. Yu, J.M. Gambetta, A.A. Houck, D.I. Schuster, J. Majer, A. Blais, M.H. Devoret, S.M. Girvin, and R.J. Schoelkopf, Phys. Rev. A 76, 042319 (2007). PLRAAN 1050-2947 10.1103/PhysRevA.76.042319
17. A.J. Ferguson, N.A. Court, F.E. Hudson, and R.G. Clark, Phys. Rev. Lett. 97, 106603 (2006). PRLTAO 0031-9007 10.1103/PhysRevLett.97.106603
18. O. Naaman and J. Aumentado, Phys. Rev. B 73, 172504 (2006). PRBMDO 1098-0121 10.1103/PhysRevB.73.172504
19. M.D. Shaw, R.M. Lutchyn, P. Delsing, and P.M. Echternach, Phys. Rev. B 78, 024503 (2008). PRBMDO 1098-0121 10.1103/PhysRevB.78.024503
20. N.A. Court, A.J. Ferguson, R. Lutchyn, and R.G. Clark, Phys. Rev. B 77, 100501 (2008). PRBMDO 1098-0121 10.1103/PhysRevB.77.100501
21. P. Joyez, P. Lafarge, A. Filipe, D. Esteve, and M.H. Devoret, Phys. Rev. Lett. 72, 2458 (1994). PRLTAO 0031-9007 10.1103/PhysRevLett.72.2458
22. A. Amar, D. Song, C.J. Lobb, and F.C. Wellstood, Phys. Rev. Lett. 72, 3234 (1994). PRLTAO 0031-9007 10.1103/PhysRevLett.72.3234
23. V. Bouchiat, D. Vion, P. Joyez, D. Esteve, and M.H. Devoret, Phys. Scr. T76, 165 (1998). PHSTER 0031-8949 10.1238/Physica.Topical.076a00165
24. A. Wallraff, D.I. Schuster, A. Blais, L. Frunzio, R.-S. Huang, J. Majer, S. Kumar, S.M. Girvin, and R.J. Schoelkopf, Nature (London) 431, 162 (2004). NATUAS 0028-0836 10.1038/nature02851
25. G.J. Dolan, Appl. Phys. Lett. 31, 337 (1977). APPLAB 0003-6951 10.1063/1.89690
26. See Supplemental Material at http://link.aps.org/supplemental/10.1103/ PhysRevLett.108.230509 for measured devices, extraction of parameters from histograms, and spectrum of an RTS with finite readout fidelity.
27. A.A. Houck, J.A. Schreier, B.R. Johnson, J.M. Chow, J. Koch, J.M. Gambetta, D.I. Schuster, L. Frunzio, M.H. Devoret, and S.M. Girvin, Phys. Rev. Lett. 101, 080502 (2008). PRLTAO 0031-9007 10.1103/PhysRevLett.101.080502
28. M.D. Reed, B.R. Johnson, A.A. Houck, L. DiCarlo, J.M. Chow, D.I. Schuster, L. Frunzio, and R.J. Schoelkopf, Appl. Phys. Lett. 96, 203110 (2010). APPLAB 0003-6951 10.1063/1.3435463
29. M.D. Reed, L. DiCarlo, B.R. Johnson, L. Sun, D.I. Schuster, L. Frunzio, and R.J. Schoelkopf, Phys. Rev. Lett. 105, 173601 (2010). PRLTAO 0031-9007 10.1103/PhysRevLett.105.173601