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- Publications
- Influence
Coherent spin–photon coupling using a resonant exchange qubit
Electron spins hold great promise for quantum computation because of their long coherence times. Long-distance coherent coupling of spins is a crucial step towards quantum information processing with… Expand
Experimental realization of a Szilard engine with a single electron
- J. Koski, V. F. Maisi, J. Pekola, D. Averin
- Physics, Medicine
- Proceedings of the National Academy of Sciences
- 24 February 2014
Significance A Maxwell demon makes use of information to convert thermal energy of a reservoir into work. A quantitative example is a thought experiment known as a Szilard engine, which uses one bit… Expand
Strong Coupling Cavity QED with Gate-Defined Double Quantum Dots Enabled by a High Impedance Resonator
- A. Stockklauser, P. Scarlino, +7 authors A. Wallraff
- Physics
- 12 January 2017
The strong coupling limit of cavity quantum electrodynamics (QED) implies the capability of a matter-like quantum system to coherently transform an individual excitation into a single photon within a… Expand
Microwave Photon-Mediated Interactions between Semiconductor Qubits
- D. V. Woerkom, P. Scarlino, +8 authors A. Wallraff
- Physics, Mathematics
- 26 June 2018
The realization of a coherent interface between distant charge or spin qubits in semiconductor quantum dots is an open challenge for quantum information processing. Here we demonstrate both resonant… Expand
Experimental observation of the role of mutual information in the nonequilibrium dynamics of a Maxwell demon.
We validate experimentally a fluctuation relation known as generalized Jarzynski equality governing the work distribution in a feedback-controlled system. The feedback control is performed on a… Expand
Distribution of entropy production in a single-electron box
The fluctuation relations are a central concept in thermodynamics at the microscopic scale. These relations are experimentally verified by measuring the entropy production in a single-electron box… Expand
Distribution of current fluctuations in a bistable conductor
- S. Singh, J. Peltonen, Ivan M Khaymovich, J. Koski, C. Flindt, J. Pekola
- Physics
- 22 June 2016
We measure the full distribution of current fluctuations in a single-electron transistor with a controllable bistability. The conductance switches randomly between two levels due to the tunneling of… Expand
Automated tuning of double quantum dots into specific charge states using neural networks
- R. Durrer, B. Kratochwil, +5 authors Eliška Greplová
- Physics
- 5 December 2019
TLDR
Virtual-photon-mediated spin-qubit–transmon coupling
- A. Landig, J. Koski, +10 authors K. Ensslin
- Biology, Physics
- Nature Communications
- 6 November 2019
Spin qubits and superconducting qubits are among the promising candidates for realizing a solid state quantum computer. For the implementation of a hybrid architecture which can profit from the… Expand
Experimental realization of a Coulomb blockade refrigerator
- A. Feshchenko, J. Koski, J. Pekola
- Physics
- 18 September 2014
We present an experimental realization of a Coulomb blockade refrigerator (CBR) based on a single - electron transistor (SET). In the present structure, the SET island is interrupted by a… Expand