Original research papers


Submitted

  1. Linear and logarithmic time compositions of many-body systems
    F. Motzoi, M. P. Kaicher, and F. K. Wilhelm
    arXiv:1705.10863
  2. Optimizing single microwave-photon detection: Input-Output theory
    M. Schöndorf, Luke C. G. Govia, M. Vavilov, R. McDermott, F. K. Wilhelm
    arXiv:1609.08887
  3. Gradient optimization of analytic controls: the route to high accuracy quantum control
    S. Machnes, D.J. Tannor, F. K. Wilhelm and E. Assémat
    arXiv:1507.04261
  4. Arbitrary n-Qubit State Transfer Using Coherent Control and Simplest Switchable Noise
    Ville Bergholm, F.K. Wilhelm and T. Schulte-Herbrueggen
    arxiv:1605.06473
  5. Optimized cross-resonance gate for coupled transmon systems
    Susanna Kirchhoff, Torsten Keßler, Per J. Liebermann, Elie Assémat, Shai Machnes, Felix Motzoi, Frank K. Wilhelm
    arXiv:1701.01841

  6. Implementation of the iFREDKIN gate in scalable superconducting architecture for the quantum simulation of Fermionic systems
    Per J. Liebermann, Pierre-Luc Dallaire-Demers, Frank K. Wilhelm
    arXiv:1701.07870

2017
  1. Restless Tuneup of High-Fidelity Quantum Gates
    M.A. Rol, C.C. Bultink, T.E. O'Brien, S.R. de Jong, L.S. Theis, X. Fu, F. Luthi, R.F.L. Vermeulen, J.C. de Sterke, A. Bruno, D. Deurloo, R.N. Schouten, F.K. Wilhelm and L. DiCarlo
    Phys. Rev. Applied 7, 041001 (2017)
    arXiv:1611.04815
  2. Nonadiabatic corrections to fast dispersive multiqubit gates involving Z control
    L. S. Theis and F. K. Wilhelm
    Phys. Rev. A 95, 022314 (2017)
    arXiv:1611.02490
  3. Quantum Simulation of a Quantum Stochastic Walk
    Luke C. G. Govia, Bruno G. Taketani, Peter K. Schuhmacher, Frank K. Wilhelm
    arXiv:1606.08096
    Quantum Science and Technology (2017)

2016
  1. Quantum gates and architecture for the quantum simulation of the Fermi-Hubbard model
    P.-L. Dallaire-Demers and F. K. Wilhelm
    Phys. Rev. A 94, 062304 (2016)
    arXiv:1606.00208
  2. Simultaneous model selection and parameter estimation: A superconducting qubit coupled to a bath of incoherent two-level systems
    M. P. V. Stenberg and F. K. Wilhelm
    Phys. Rev. A 94, 052119 (2016)
    arXiv:1608.05360
  3. High-fidelity Rydberg-blockade entangling gate using shaped, analytic pulses
    L.S. Theis, F. Motzoi, F.K. Wilhelm and M. Saffman
    arXiv:1605.08891
    PRA 94, 032306 (2016)
  4. Optimal Qubit Control Using Single-Flux Quantum Pulses  
    P.J. Liebermann and F.K. Wilhelm
    Phys. Rev. Applied 6, 024022 (2016)
                                                        arXiv:1512.05495
  5. Simultaneous gates in frequency-crowded multilevel systems using fast, robust, analytic control shapes
    L.S. Theis, F. Motzoi and F.K. Wilhelm
    arXiv:1509.04152
    Phys. Rev. A 93.012324
  6. Entanglement Generated by the Dispersive Interaction: The Dressed Coherent State
    L.C.G. Govia and F.K. Wilhelm
    arXiv:1506.04997
    Phys. Rev. A 93.012316
  7. Characterizing decohering quantum systems: Machine learning approach
    M. P. V. Stenberg, O. Köhn, and F.K. Wilhelm
    Phys. Rev. A 93, 012122 (2016)
    arXiv:1510.05655
  8. Transient dynamics of a superconducting nonlinear oscillator
    B. Bhupathi, P. Groszkowski, M. P. DeFeo, M. Ware, F. K. Wilhelm, B. L. T. Plourde 
    arXiv:1504.06883
    Phys. Rev. Applied 5, 024002 (2016)
  9. A method to efficiently simulate the thermodynamical properties of the Fermi-Hubbard model on a quantum computer
    P.-L. Dallaire-Demers and F. K. Wilhelm
    arXiv:1508.04328
    Phys. Rev. A. 93.032303

2015
  1. Complete randomized benchmarking protocol accounting for leakage errors
    T. Chasseur and F.K. Wilhelm
    Phys. Rev. A 92, 022335 (2015)
    arXiv:1505.00580
  2. Scalable two- and four-qubit parity measurement with a threshold photon counter
    L.C.G. Govia, E.J. Pritchett, B.L.T. Plourde, M.G. Vavilov, R. McDermott, and F.K. Wilhelm
    Phys. Rev. A 92, 042333 (2015)
    arXiv:1502.03340
  3. Engineering adiabaticity at an avoided crossing with optimal control
    T. Chasseur, L.S. Theis, Y.R. Sanders, D.J. Egger, and F.K. Wilhelm
    Phys. Rev. A 91, 043421 (2015)    
    arXiv:1502.05175   
  4. Qubit decoherence due to detector switchting
    I. Serban and F.K. Wilhelm
    EPJ Quant. Tech. 2, 7 (2015)
  5. The Bravyi-Kitaev Transformation: Properties and Applications
    A. Tranter, S.Soa, J. Seeley, M. Kaicher, J. McClean, R. Babbush, P. Coveney, F. Mintert, F. K. Wilhelm, P. Love
    Int. J. Quant. Chem. DOI 10.1002/qua.24969   
  6. Unitary-Feedback-Improved Qubit Initialization in the Dispersive Regime
    L.C.G. Govia and F.K. Wilhelm
    arXiv:1506.05339
    Phys. Rev. Applied 4, 054001 (2015)
  7. Training Schrödinger's cat: quantum optimal control
    S.J. Glaser, U. Boscain, T. Calarco, C. P. Koch, W. Köckenberger, R. Kosloff, I. Kuprov, B. Luy, S. Shirmer, T. Schulte-Herbrüggen, D. Sugny, F. K. Wilhelm
    a
    rXiv:1508.00442
    Eur. Phys. J. D 69, 279 (2015) 
    Springer Link
  8. Adaptive characterization of coherent states
    M. P. V.  Stenberg, K. Pack, and F. K. Wilhelm
    Phys. Rev. A 92, 063852 (2015)
    arxiv.org:1508.04412
2014
  1. High-fidelity qubit measurement with a microwave-photon counter
    L.C.G. Govia, E.J. Pritchett, C. Xu, B.L.T. Plourde, M.G. Vavilov, F.K. Wilhelm, and R. McDermott
    Phys. Rev. A 90, 062307 (2014)
    arXiv:1502.01564
  2. Optimal control of a quantum measurement
    D.J. Egger and F.K. Wilhelm
    Phys. Rev. A 90, 052331 (2014)
  3. Efficient estimation of resonant coupling between quantum systems
    M. P. V. Stenberg, Y. R. Sanders, and F. K. Wilhelm
    Phys. Rev. Lett. 113, 210404 (2014)
    arXiv:1407.5631
  4. Adaptive hybrid optimal quantum control for imprecisely characterized systems
    D. J. Egger and F. K. Wilhelm
    Phys. Rev. Lett. 112, 240503 (2014)
    arXiv:1402.7193
  5. Optimized controlled Z gates for two superconducting qubits coupled through a resonator
    D. J. Egger and F. K. Wilhelm
    Supercond. Sci. Technol. 27 (2014) 014001
    arXiv:1306.6894
  6. Generating nonclassical states from classical radiation by subtraction measurements
    L.C.G. Govia, E.J. Pritchett and F.K. Wilhelm
    New J. Phys. 16 (2014) 045011
    arXiv:1210.4042


2013
  1. Effect of environmental coupling on tunneling of quasiparticles in Josephson junctions
    M.H. Ansari, F.K Wilhelm, U Sinha, and A. Sinha
    Supercond. Sci. Technol. 26 (2013) 125013
    arXiv:1211.4745
  2. Multimode Circuit Quantum Electrodynamics with Hybrid Metamaterial Transmission Lines
    D. J. Egger and F. K. Wilhelm
    Phys. Rev. Lett 111, 163601 (2013)
    arXiv:1302.5553
  3. Single-qubit gates in frequency-crowded transmon systems
    R. Schutjens, F. Abu Dagga, D. J. Egger and F. K. Wilhelm
    Phys. Rev. A 90, 062307 (2014)
    arXiv:1502.01564
  4. Optimal control of a quantum measurement
    D.J. Egger and F.K. Wilhelm
    Phys. Rev. A 90, 052331 (2014)
  5. Efficient estimation of resonant coupling between quantum systems
    M. P. V. Stenberg, Y. R. Sanders, and F. K. Wilhelm
    Phys. Rev. Lett. 113, 210404 (2014) 
    arXiv:1407.5631
  6. Adaptive hybrid optimal quantum control for imprecisely characterized systems
    D. J. Egger and F. K. Wilhelm
    Phys. Rev. Lett. 112, 240503 (2014) 
    arXiv:1402.7193
  7. Optimized controlled Z gates for two superconducting qubits coupled through a resonator
    D. J. Egger and F. K. Wilhelm
    Supercond. Sci. Technol. 27 (2014) 014001
    arXiv:1306.6894
  8. Generating nonclassical states from classical radiation by subtraction measurements
    L.C.G. Govia, E.J. Pritchett and F.K. Wilhelm
    New J. Phys. 16 (2014) 045011
    arXiv:1210.4042
  9. Improving frequency selection of driven pulses using derivative-based transition suppression
    Felix Motzoi and Frank K. Wilhelm
    Phys. Rev. A 88, 062318 (2013)
    arXiv:1310.8363
2012
  1. Theory of Josephson photomultipliers: optimal working conditions and back action
    L.C.G Govia, E.J. Pritchett, S.T. Merkel, D. Pineau and F.K. Wilhelm
    Phys. Rev. A 86, 032311 (2012). 

  2. High-fidelity quantum gates in the presence of dispersion
    B. Khani, S. T. Merkel, F. Motzoi, J. M. Gambetta, F. K. Wilhelm
    Phys. Rev. A 85, 022306 (2012).
2011
  1. Noise and microresonance of critical current in Josephson junction induced by Kondo trap states
    M. H. Ansari and F. K. Wilhelm
    Phys. Rev. B 84, 235102 (2011).

  2. Microwave photon counter based on Josephson Junctions
    Y.-F. Chen, D. Hover, S. Sendelbach, L. Maurer, S. T. Merkel, E. J. Pritchett, F. K. Wilhelm, and R. McDermott
    Phys Rev. Lett. 107, 217401 (2011).

  3. Tunable coupling between three qubits as a building block for a superconducting quantum computer 
    P. Groszkowski, A. G. Fowler, F. Motzoi, and F. K. Wilhelm
    Phys. Rev. B 84, 144516 (2011).

  4. Optimal control methods for rapidly time-varying Hamiltonians 
    F. Motzoi, J. M. Gambetta, S. T. Merkel, and F. K. Wilhelm
    Phys. Rev. A 84, 022307 (2011).

  5. Analytic control methods for high-fidelity unitary operations in a weakly nonlinear oscillator
    J. M. Gambetta, F. Motzoi, S. T. Merkel, and F. K. Wilhelm
    Phys. Rev. A 83, 012308 (2011).
2010
  1. Generation and detection of NOON states in superconducting circuits
    S. T. Merkel and F. K. Wilhelm
    New J. Phys. 12, 093036 (2010).

  2. Decoherence by electromagnetic fluctuations in double-quantum-dot charge qubits
    D. C. B. Valente, E. R. Mucciolo, and F. K. Wilhelm
    Phys. Rev. B 82, 125302 (2010).

  3. Efficient creation of multipartite entanglement in flux qubits
    J. Ferber and F. K. Wilhelm
    Nanotechnology 21, 274015 (2010).

  4. The size of macroscopic superposition states in flux qubits
    J. I. Korsbakken, F. K. Wilhelm, and K. B. Whaley
    EPL 89, 30003 (2010).

  5. Relaxation of a qubit measured by a driven Duffing oscillator
    I. Serban, M. I. Dykman, F. K. Wilhelm
    Phys. Rev. A 81, 022305 (2010).
2009
  1. Current fluctuations in rough superconducting tunnel junctions
    G. Heinrich and F. K. Wilhelm
    Phys. Rev. B 80, 214536 (2009).

  2. Simple pulses for elimination of leakage in weakly nonlinear qubits
    F. Motzoi, J. M. Gambetta, P. Rebentrost, and F. K. Wilhelm
    Phys. Rev. Lett. 103, 110501 (2009).

  3.  Microscopic model of critical current noise in Josephson-junction qubits: Subgap resonances and Andreev bound states
    R. de Sousa, K. B. Whaley, T. Hecht, J. von Delft, and F. K. Wilhelm
    Phys. Rev. B 80, 094515 (2009).

  4. Improving high-Tc dc-SQUID performance by means of junction asymmetry
    U. Sinha, A. Sinha, and F. K. Wilhelm
    Supercond. Sci. Tech. 22, 055002 (2009).

  5. Stationary and transient leakage current in the Pauli spin blockade
    F. Qassemi, W. A. Coish and F. K. Wilhelm
    Phys. Rev. Lett. 102, 176806 (2009).

  6. Optimal control of a qubit coupled to a Non-Markovian environment
    P. Rebentrost, I. Serban, T. Schulte-Herbrueggen, and F. K. Wilhelm
    Phys. Rev. Lett. 102, 090401 (2009).

  7. Optimal control of a leaking qubit
    P. Rebentrost and F. K. Wilhelm
    Phys. Rev. B 79, 060507(R) (2009).
22
2008
  1. Quantum oscillations in the spin-boson model: Reduced visibility from non-Markovian effects and initial entanglement
    F. K. Wilhelm
    New J. Phys. 10, 115011 (2008).

  2.  Experimental physics – A shift in spectroscopy
    F. K. Wilhelm
    Nature 455, 41-43 (2008).

  3. Two-resonator circuit quantum electrodynamics: A superconducting quantum switch
    M. Mariantoni, F. Deppe, A. Marx, R. Gross, F .K. Wilhelm, and E. Solano
    Phys. Rev. B 78, 104508 (2008).

  4. Nonequilibrium transport in mesoscopic multi-terminal SNS Josephson junctions
    M. S. Crosser, J. Huang, F. Pierre, P. Virtanen, T. T. Heikkilä, F. K. Wilhelm, and Norman O. Birge
    Phys. Rev. B 77, 014528 (2008).

  5. Quantum nondemolition-like, fast measurement scheme for a superconducting qubit
    I. Serban, B. L. T. Plourde, and F. K. Wilhelm
    Phys. Rev. B 78, 054507 (2008).
2007
  1. Long-range coupling and scalable architecture for superconducting flux qubits
    A. G. Fowler, W. F. Thompson, Z. Yan, A. M. Stephens, and Frank K. Wilhelm
    Phys. Rev. B 76, 174507 (2007).

  2. Dynamical tunneling in macroscopic systems
    I. Serban and F. K. Wilhelm
    Phys. Rev. Lett. 99, 137001 (2007).

  3. Phase-space theory for dispersive detectors of superconducting qubits
    I. Serban, E. Solano, and F. K. Wilhelm
    Phys. Rev. B 76, 104510; 109902(E) (2007).

  4. Strong coupling of a qubit to shot noise
    U. Hartmann, and F. K. Wilhelm
    Phys. Rev. B 75, 165308 (2007).

  5. Quantum physics – Photon lab in a circuit
    F. K. Wilhelm, and E. Solano
    Nature 445, 500 (2007).

  6. Crossover from weak – to strong – coupling regime in dispersive circuit QED
    I. Serban, E. Solano, and F. K. Wilhelm
    Europhys. Lett. 80 40011 (2007).

  7. Optimal Control of Coupled Josephson Qubits
    A. K. Spörl, T. Schulte-Herbrüggen, S. J. Glaser, V. Bergholm, M. J. Storcz, J. Ferber, and F. K. Wilhelm
    Phys. Rev. A 75, 012302 (2007).
2005
  1. Ohmic and step noise from a single trapping center hybridized with a Fermi sea
    R. de Sousa, K. B. Whaley, F. K. Wilhelm, and J. von Delft
    Phys. Rev. Lett. 95, 247006 (2005). 

  2. Intrinsic phonon decoherence and quantum gates in coupled lateral quantum-dot charge qubits
    M. J. Storcz, U. Hartmann, S. Kohler, and F. K. Wilhelm
    Phys. Rev. B 72, 235321 (2005). 

  3. Decoherence of a two-qubit system away from perfect symmetry 
    M. J. Storcz, F. Hellmann, C. Hrelescu, and F. K. Wilhelm
    Phys. Rev. A 72, 052314 (2005). 

  4. Full protection of superconducting qubit systems from coupling errors
    M. J. Storcz, J. Vala, K. R. Brown, J. Kempe, F. K. Wilhelm, and K. B. Whaley
    Phys. Rev. B 72, 064511 (2005). 

  5. 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
    Phys. Rev. B 72, 024513 (2005).

  6. Compensation of decoherence from telegraph noise by means of an open-loop quantum-control technique 
    H. Gutmann, F. K. Wilhelm, W. M. Kaminsky, and S. Lloyd
    Phys. Rev. A 71, 020302(R) (2005). 
2004
  1. Measuring non-Gaussian fluctuations through incoherent Cooper pair tunnelling
    P. Virtainen, T.T. Heikkilä, G. Johannson, and F.K. Wilhelm
    Phys. Rev. Lett. 93, 247005 (2004). 

  2. Bang-bang refocusing of a qubit exposed to telegraph noise
    H. Gutmann, F.K. Wilhelm, W.M. Kaminsky, and S. Lloyd
    Quantum Information Processing 3, 247 (2004). 

  3. 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 J. Clarke
    Phys. Rev. B 70, 014516(R) (2004).

  4. Control of decoherence through disequilibrium between baths
    U. Hartmann, and F.K. Wilhelm
    Phys. Rev. B 69, 161309(R) (2004). 

  5. The spin-boson model with a structured bath: A comparison of approaches
    F.K. Wilhelm, S. Kleff, and J. von Delft
    Chem. Phys. 296, 345 (2004).
2003
  1. Microscopic nonequilibrium theory of double-barrier Josephson junctions
    A. Brinkman, A.A. Golubov, H. Rogalla, F.K. Wilhelm, and M.Yu. Kupriyanov
    Phys. Rev. B 68, 224513 (2003).

  2. Design of realistic switches for coupling superconducting solid-state qubits
    M.J. Storcz, and F.K. Wilhelm
    Appl. Phys. Lett. 83, 2389 (2003). 

  3. An asymptotical von-Neumman measurement strategy for solid-state quantum bits
    F.K. Wilhelm
    Phys. Rev. B 68, 060503(R) (2003). 

  4. Supercurrent-induced Peltier-like effect
    T.T. Heikkilä, T. Vänskä, and F.K. Wilhelm
    Phys. Rev. B 67, 100502(R) (2003). 

  5. Theoretical analysis of continuously driven Josephson qubits
    M.C. Goorden and F.K. Wilhelm
    Phys. Rev. B 68, 012508 (2003). 

  6. Nonlinear cotunneling through an artificial molecule
    U. Hartmann  and F.K. Wilhelm
    Phys. Rev. B 67, 1613071(R) (2003). 

  7. Decoherence and gate performance of coupled solid state qubits
    M.J. Storcz and F.K. Wilhelm
    Phys. Rev. A 67, 042319 (2003).

  8. Engineering decoherence in Josephson persistent-current qubits
    C.H. van der Wal, F.K. Wilhelm, C.J.P.M. Harmans and J.E. Mooij
    Eur. Phys. J B 31, 111 (2003). 
2002
  1. Supercurrent-carrying density of states in mesoscopic Josephson weak links
    T.T. Heikkilä, J. Särkkä and F.K. Wilhelm
    Phys. Rev. B 66, 184513 (2002).

  2. Observation of a controllable p-junction in a 3-terminal Josephson device
    J. Huang, F. Pierre, T.T. Heikkilä, F.K. Wilhelm and N.O. Birge
    Phys. Rev. B 66, 020507 (R) (2002).
2001
  1. Superconducting single-charge transistor in a tunable dissipative environment
    F.K. Wilhelm, G.T. Zim'anyi and G. Schön
    Phys. Rev. Lett. 87, 136802 (2001).

  2. The Josephson critical current in a long mesoscopic S-N-S junction
    P. Dubos, H. Courtois, B. Pannetier, F.K. Wilhelm, A.D. Zaikin and G. Schön
    Phys. Rev. B 63, 064502 (2001).
2000
  1. Quantum superposition of macroscopic persistent-current states
    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).

  2. Two-channel versus infinite-channel Kondo Model for the Single Electron Transistor
    G. Zar'and, G.T. Zim'anyi and F.K. Wilhelm
    Phys. Rev. B 62, 8137 (2000).

  3. The mesoscopic proximity effect probed through superconducting tunneling contacts
    F.K. Wilhelm and A.A. Golubov
    Phys. Rev. B 62, 5353 (2000).

  4. Non-equilibrium supercurrent through mesoscopic ferromagnetic weak links
    T.T. Heikkilä, F.K. Wilhelm and G. Schön
    Europhys. Lett. 51, 434 (2000).

  5. p-shifted Magnetoconductance Oscillations in Mesoscopic Superconducting-Normal Heterostrucures 
    V.N. Antonov, H. Takayanagi, F.K. Wilhelm and A.D. Zaikin
    Europhys. Lett. 50, 250 (2000).
1998
  1. The Mesoscopic SNS Transistor
    F.K. Wilhelm, G. Schön and A.D. Zaikin
    Phys. Rev. Lett. 81, 1682 (1998).

  2. Coherent Charge Transport in Superconducting-Normal Metallic Films
    F.K. Wilhelm, A.D. Zaikin and H. Courtois
    Phys. Rev. Lett. 80, 4289 (1998).
1997
  1. Coherent Charge Transport in Metallic Proximity Structures
    A.A. Golubov, F.K. Wilhelm and A.D. Zaikin
    Phys. Rev. B. 55, 1123 (1997).