Ion Quantum Technology Group - Publications



  • Resilient entangling gates for trapped ions, A. E. Webb, S. C. Webster, S. Collingbourne, D. Bretaud, A. M. Lawrence, S. Weidt, F. Mintert and W. K. Hensinger, arXiv:1805.07351 [quant-ph] (2018) pdf


  • Generation of high-fidelity quantum control methods for multi-level systems, J. Randall, A. M. Lawrence, S. C. Webster, S. Weidt, N. V. Vitanov, W. K. Hensinger, arXiv:1708.02634 [quant-ph] (2017) pdf
  • Blueprint for a microwave trapped ion quantum computer, B. Lekitsch, S. Weidt, A.G. Fowler, K. Mølmer, S.J. Devitt, Ch. Wunderlich, and W.K. Hensinger, Science Advances 3, e1601540 (2017) pdf


  • Trapped-ion quantum logic with global radiation fields, S. Weidt, J. Randall, S. C. Webster, K. Lake, A. E. Webb, I. Cohen, T. Navickas, B. Lekitsch, A. Retzker, and W. K. Hensinger, Phys. Rev. Lett. 117, 220501 (2016) pdf
  • Experimental system design for the integration of trapped-ion and superconducting qubit systems, D. De Motte, A.R. Grounds, M. Rehák, A. Rodriguez Blanco, B. Lekitsch, G.S. Giri, P. Neilinger, G. Oelsner, E. Il'ichev, M. Grajcar, and W.K. Hensinger, Quantum Information Processing 15, 5385 (2016) pdf


  • Classical Computation by Quantum Bits, B. Antonio, J. Randall, W. K. Hensinger, G. W. Morley, S. Bose, arXiv:1509.03420 [quant-ph] (2015) pdf
  • Ground-state cooling of a trapped ion using long-wavelength radiation, S. Weidt, J. Randall, S. C. Webster, E. D. Standing, A. Rodriguez, A. E. Webb, B. Lekitsch, W. K. Hensinger, Phys. Rev. Lett. 115, 013002 (2015) pdf
  • Multi-qubit gate with trapped ions for microwave and laser-based implementation, I. Cohen, S. Weidt, W.K. Hensinger and A. Retzker, New J. Phys. 17, 043008 (2015) pdf
  • Generation of spin-motion entanglement in a trapped ion using long-wavelength radiation, K. Lake, S. Weidt, J. Randall, E. Standing, S. C. Webster, W. K. Hensinger, Phys. Rev. A 91, 012319 (2015) pdf
  • Efficient preparation and detection of microwave dressed-state qubits and qutrits with trapped ions , J. Randall, S. Weidt, E. D. Standing, K. Lake, S. C. Webster, D. F. Murgia, T. Navickas, K. Roth, and W. K. Hensinger, Phys. Rev. A 91, 012322 (2015), (Phys. Rev. Editor's Suggestion) pdf


  • Fabrication and operation of a two-dimensional ion-trap lattice on a high-voltage microchip, R. C. Sterling, H. Rattanasonti, S. Weidt, K. Lake, P. Srinivasan, S. C. Webster, M. Kraft & W. K. Hensinger, Nature Communications 5:3637 doi: 10.1038/ncomms4637 (2014) pdf


  • Simple Manipulation of a Microwave Dressed-State Ion Qubit, S. C. Webster, S. Weidt, K. Lake, J. J. McLoughlin and W. K. Hensinger, Phys. Rev. Lett. 111, 140501 (2013) pdf
  • Increased surface flashover voltage in microfabricated devices, R. C. Sterling, M. D. Hughes, C. J. Mellor and W. K. Hensinger, Appl. Phys. Lett. 103, 143504 (2013) pdf


  • Optimisation of two-dimensional ion trap arrays for quantum simulation,James D. Siverns, Seb Weidt, Kim Lake, Bjoern Lekitsch, Marcus D. Hughes, and Winfried K. Hensinger, New J. Phys. 14, 085009 (2012) pdf
  • On the application of radio frequency voltages to ion traps via helical resonators, J.D. Siverns, L.R. Simkins, S. Weidt and W.K. Hensinger, Applied Physics B 107, 921 (2012) pdf
  • Ion trapping, W.K. Hensinger, D.M. Segal, R.C. Thompson, Applied Physics B 107, 881 (2012) pdf
  • Optimum electrode configurations for fast ion separation in microfabricated surface ion traps, Altaf H. Nizamani and Winfried K. Hensinger, Applied Physics B 106, 327 (2012) pdf


  • Microfabricated Ion Traps, Marcus D. Hughes, Bjoern Lekitsch, Jiddu A. Broersma and Winfried K. Hensinger, Contemporary Physics 52, 505 (2011), pdf
  • Mit Mikrowellen rechnen, W.K. Hensinger, Physik Journal 10, 25 (2011), pdf
  • Microwave ion-trap quantum computing, W.K. Hensinger, Nature 476, 155 (2011), pdf
  • Versatile ytterbium ion trap experiment for operation of scalable ion-trap chips with motional heating and transition-frequency measurements, James J. McLoughlin, Altaf H. Nizamani, James D. Siverns, Robin C. Sterling, Marcus D. Hughes, Bjoern Lekitsch, Björn Stein, Seb Weidt, and Winfried K. Hensinger, Phys. Rev. A 83, 013406 (2011), pdf
  • Dynamical tunneling with a Bose-Einstein condensate, W.K.Hensinger, refereed book chapter in “Dynamical tunneling”, edited by Srihari Keshavamurthy and Peter Schlagheck, CRC Press (2011)


  • Doppler-free Yb Spectroscopy with Fluorescence Spot Technique, Altaf H. Nizamani, James J. McLoughlin and Winfried K. Hensinger, Phys. Rev. A 82, 043408 (2010), pdf


  • On the Transport of Atomic Ions in Linear and Multidimensional Ion Trap Arrays, D. Hucul, M. Yeo, W.K. Hensinger, J. Rabchuk, S. Olmschenk, and C. Monroe, Quantum Information and Computation 8, 0501 (2008), pdf


  • Efficient Photoionization-Loading of Trapped Cadmium Ions with Ultrafast Pulses, L. Deslauriers, M. Acton, B. B. Blinov, K.-A. Brickman, P. C. Haljan, W. K. Hensinger, D. Hucul, S. Katnik, R. N. Kohn, Jr., P. J. Lee, M. J. Madsen, P. Maunz, S. Olmschenk, D. L. Moehring, D. Stick, J. Sterk, M. Yeo, K. C. Younge, and C. Monroe, Physical Review A 74, 063421 (2006), pdf
  • Scaling and Suppression of Anomalous Heating in Ion Traps, L. Deslauriers, S. Olmschenk, D. Stick, W. K. Hensinger, J. Sterk, and C. Monroe, Physical Review Letters 97, 103007 (2006), pdf
  • T-junction multi-zone ion trap array for two-dimensional ion shuttling, storage and manipulation, W. K. Hensinger, S. Olmschenk, D. Stick, D. Hucul, M. Yeo, M. Acton, L. Deslauriers, J. Rabchuk and C. Monroe, Applied Physics Letters 88, 034101 (2006), pdf, Journal Link 
  • Ion trap in a Semiconductor Chip, D. Stick, W. K. Hensinger, S. Olmschenk, M. J. Madsen, K. Schwab and C. Monroe, Nature Physics 2, 36 (2006); advance online publication, (doi:10.1038/nphys171), pdf, Journal Link


  • Ion trap transducers for quantum electromechanical oscillators, W. K. Hensinger, D. Wahyu Utami, H.-S. Goan, K. Schwab, C. Monroe and G. J. Milburn, Physical Review A Rapid Communications 72, 041405(R) (2005), pdf


  • Planar ion trap geometry for microfabrication, M. J. Madsen, W. K. Hensinger, D. Stick, J. A. Rabchuk and C. Monroe, Applied Physics B 78 (5): 639-651 (2004), pdf
  • Analysis of dynamical tunnelling experiments with a Bose-Einstein condensate, W. K. Hensinger, A. Mouchet, P. S. Julienne, D. Delande, N. R. Heckenberg, and H. Rubinsztein-Dunlop, Physical Review A 70, 013408 (2004) pdf


  • Experimental tests of quantum nonlinear dynamics in atom optics, W. K. Hensinger, N. R. Heckenberg, G. J. Milburn and H. Rubinsztein-Dunlop, Journal of Optics B: Quantum and Semiclassical Optics 5, R83-R120 (2003) pdf


  • Dynamical tunneling of ultra-cold atoms, W. K. Hensinger, H. Häffner, A. Browaeys, N. R. Heckenberg, K. Helmerson, C. McKenzie, G. J. Milburn, W. D. Phillips, S. L. Rolston, H. Rubinsztein-Dunlop, and B. Upcroft, Nature (London) 412, 5 July, 52-55 (2001) pdf
  • Multiple Bifurcations in atom optics, W. K. Hensinger, B. Upcroft, G. J. Milburn, N. R. Heckenberg and H. Rubinsztein-Dunlop, Physical Review A 64, 063408 (2001) pdf
  • Experimental study of the quantum driven pendulum and its classical analogue in atom optics, W. K. Hensinger, A. G. Truscott, B. Upcroft, M. Hug, H. M. Wiseman, N. R. Heckenberg, H. Rubinsztein-Dunlop Physical Review A 64, 033407 (2001) pdf


  • Atoms in an amplitude modulated standing wave - dynamics and pathways to quantum chaos, W. K. Hensinger, A. G. Truscott, B. Upcroft, N. R. Heckenberg and H. Rubinsztein-Dunlop, Journal of Optics B: Quantum and Semiclassical optics, 2 (5): 659-667 (2000) pdf
  • Coherent atomic beam splitter using transients of a chaotic system A. G. Truscott, M. E. J. Friese, W. K. Hensinger, H. M. Wiseman, H. Rubinsztein-Dunlop and N .R. Heckenberg, Physical Review Letters, 84(18): 4023-4026 (2000) pdf


  • Variations of relative line intensity in saturation spectroscopy due to low magnetic fields, W. K. Hensinger, A. G. Truscott, H. Rubinsztein-Dunlop and N. R. Heckenberg, Optical and Quantum Electronics, 31 (5/7): 391-403 (1999) pdf


  • A Tunable Laser System, W.K. Hensinger, J. McLoughlin, B. Jacques-Parr, UK Patent application Number GB1009428.2, filed 7 June 2010, international patent PCT/EP2011/059395, filed June 2011
  • Ion trap on a semiconductor chip, C. Monroe, D. Stick, M. Madsen, W.K. Hensinger, K. Schwab, United States Patent 20070040113 filed May 23, 2006

Publications on Teaching Innovations

  • University of Sussex pilot study on the use of clickers for assessment and feedback, W.K. Hensinger, MPS Messenger, University of Sussex, Spring 2010
  • Pathways to increase problem solving skills, motivation and depth of knowledge in a first year physics course, W. K. Hensinger, Proceedings of the Effective teaching and learning at university conference in Brisbane, Australia, 2000, accessible here)