Publications & Talks

Superconducting Qubits

“Quantum nondemolition-like fast measurement scheme for a superconducting qubit ” I. Serban, B.L.T. Plourde, F.K.Wilhelm – Physical Review B 78, 054507 (2008).

“Long-range coupling and scalable architecture for superconducting flux qubits” Austin G. Fowler, William F. Thompson, Zhizhong Yan, Ashley M. Stephens. B.L.T. Plourde, Frank K.Wilhelm – Physical Review B 76, 174507 (2007).

"Solid-State Qubits with Current-Controlled Coupling" T. Hime, P.A. Reichardt, B.L.T. Plourde, T.L. Robertson, C.-E. Wu, A.V. Ustinov, John Clarke -- Science 314, 1427 (2006).

"Quantum theory of three-junction flux qubit with non-negligible loop inductance: Towards scalability" T.L. Robertson, B.L.T. Plourde, P.A. Reichardt, T. Hime, C.-E. Wu, John Clarke -- Physical Review B 73, 174526 (2006).

"Flux qubits and readout device with two independent flux lines" B.L.T. Plourde, T.L. Robertson, P.A. Reichardt, T. Hime, S. Linzen, C.-E. Wu, and John Clarke -- Physical Review B 72, 060506(R) (2005).

"Superconducting quantum interference device with frequency-dependent damping: Readout of flux qubits" T.L. Robertson, B.L.T. Plourde, T. Hime, S. Linzen, P.A. Reichardt, F.K. Wilhelm, and John Clarke -- Physical Review B 72, 024513 (2005).

“Entangling flux qubits with a bipolar dynamic inductance” B.L.T. Plourde, J. Zhang, K.B. Whaley, F.K. Wilhelm, T.L Robertson, T. Hime, S. Linzen, P.A. Reichardt, C.-E. Wu, and John Clarke – Physical Review B 70, 140501(R) (2004).

“Low-noise computer-controlled current source for quantum coherence experiments” S. Linzen, T.L. Robertson, T. Hime, B.L.T. Plourde, P.A. Reichardt, and John Clarke -- Review of Scientific Instruments 75, 2541 (2004).

“Decoherence in Josephson-junction qubits due to critical-current fluctuations” D.J. Van Harlingen, T.L. Robertson, B.L.T. Plourde, P.A. Reichardt, T.A. Crane, and John Clarke – Physical Review B 70, 064517 (2004).

“Decoherence in Flux Qubits Due to 1/f Noise in Josephson Junctions” D.J. Van Harlingen, B.L.T. Plourde, T.L. Robertson, P.A. Reichardt, and John Clarke -- in Quantum Computing and Quantum Bits in Mesoscopic Systems, Kluwer Academic, 2004.

 

Vortex Dynamics

"Reducing microwave loss in superconducting resonators due to trapped vortices" C. Song, M.P. DeFeo, K. Yu, B.L.T. Plourde – to appear in Applied Physics Letters.

"Nanostructured Superconductors With Asymmetric Pinning Potentials: Vortex Ratchets " Britton L.T. Plourde – IEEE Transactions on Applied Superconductivity 19, 3698 (2009).

"Microwave response of vortices in superconducting thin films of Re and Al" C. Song, T.W. Heitmann, M.P. DeFeo, K. Yu, R. McDermott, M. Neeley, John M. Martinis, B.L.T. Plourde – Physical Review B 79, 174512 (2009).

"Picovoltmeter for probing vortex dynamics in a single weak-pinning Corbino channel" T.W. Heitmann, K. Yu, C. Song, M.P. DeFeo, B.L.T. Plourde, M.B.S. Hesselberth, P.H. Kes – Rev. Sci. Inst. 79, 103906 (2008).

"Asymmetric weak-pinning superconducting channels: vortex ratchets" K. Yu, T.W. Heitmann, C. Song, M.P. DeFeo, B.L.T. Plourde, M.B.S. Hesselberth, P.H. Kes – Physical Review B 76, 220507(R) (2007).

“Vortex distributions near surface steps observed by scanning SQUID microscopy” B.L.T. Plourde, D.J. Van Harlingen, N. Saha, R. Besseling, M.B.S. Hesselberth, and P.H. Kes – Physical Review B 64, 054529 (2002).

“Influence of edge barriers on vortex dynamics in thin weak-pinning superconducting strips” B.L.T. Plourde, D.J. Van Harlingen, D. Yu. Vodolazov, R. Besseling, M.B.S. Hesselberth, and P.H. Kes – Physical Review B 64, 014503 (2001).

“Scanning SQUID Microscopy of Flux Distributions and Motion near Surface Features in NbSe2” B.L.T. Plourde and D.J. Van Harlingen - NATO Advanced Study Institute Proceedings 356, 281 (1999).

 

Selected recent talks

ISEC 2005 (Noordwijkerhout, The Netherlands) -- Plenary talk on flux qubits

"Superconducting Flux Qubits: Coherence, Readout, and Coupling"

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