Zobrazeno 1 - 10
of 520
pro vyhledávání: '"A. Sarlette"'
Autor:
B.-L. Najera-Santos, R. Rousseau, K. Gerashchenko, H. Patange, A. Riva, M. Villiers, T. Briant, P.-F. Cohadon, A. Heidmann, J. Palomo, M. Rosticher, H. le Sueur, A. Sarlette, W. C. Smith, Z. Leghtas, E. Flurin, T. Jacqmin, S. Deléglise
Publikováno v:
Physical Review X, Vol 14, Iss 1, p 011007 (2024)
Owing to their strong dipole moment and long coherence times, superconducting qubits have demonstrated remarkable success in hybrid quantum circuits. However, most qubit architectures are limited to the GHz frequency range, severely constraining the
Externí odkaz:
https://doaj.org/article/09f603f9a39e4b6496bf11297fdbdb09
Autor:
C. Berdou, A. Murani, U. Réglade, W.C. Smith, M. Villiers, J. Palomo, M. Rosticher, A. Denis, P. Morfin, M. Delbecq, T. Kontos, N. Pankratova, F. Rautschke, T. Peronnin, L.-A. Sellem, P. Rouchon, A. Sarlette, M. Mirrahimi, P. Campagne-Ibarcq, S. Jezouin, R. Lescanne, Z. Leghtas
Publikováno v:
PRX Quantum, Vol 4, Iss 2, p 020350 (2023)
Bistable dynamical systems are widely employed to robustly encode classical bits of information. However, they owe their robustness to inherent losses, making them unsuitable to encode quantum information. Surprisingly, there exists a loss mechanism,
Externí odkaz:
https://doaj.org/article/1ff52f61d85a4b0fa4d508169c8de4d7
The so-called ``adiabatic elimination'' of fast decaying degrees of freedom in open quantum systems can be performed with a series expansion in the timescale separation. The associated computations are significantly more difficult when the remaining
Externí odkaz:
http://arxiv.org/abs/2404.01802
Autor:
Najera-Santos, B. -L., Rousseau, R., Gerashchenko, K., Patange, H., Riva, A., Villiers, M., Briant, T., Cohadon, P. -F., Heidmann, A., Palomo, J., Rosticher, M., Sueur, H. le, Sarlette, A., Smith, W. C., Leghtas, Z., Flurin, E., Jacqmin, T., Deléglise, S.
Owing to their strong dipole moment and long coherence times, superconducting qubits have demonstrated remarkable success in hybrid quantum circuits. However, most qubit architectures are limited to the GHz frequency range, severely constraining the
Externí odkaz:
http://arxiv.org/abs/2307.14329
Publikováno v:
Quantum 8, 1337 (2024)
Between NISQ (noisy intermediate scale quantum) approaches without any proof of robust quantum advantage and fully fault-tolerant quantum computation, we propose a scheme to achieve a provable superpolynomial quantum advantage (under some widely acce
Externí odkaz:
http://arxiv.org/abs/2307.10729
Autor:
Réglade, Ulysse, Bocquet, Adrien, Gautier, Ronan, Cohen, Joachim, Marquet, Antoine, Albertinale, Emanuele, Pankratova, Natalia, Hallén, Mattis, Rautschke, Felix, Sellem, Lev-Arcady, Rouchon, Pierre, Sarlette, Alain, Mirrahimi, Mazyar, Campagne-Ibarcq, Philippe, Lescanne, Raphaël, Jezouin, Sébastien, Leghtas, Zaki
Publikováno v:
Nature 629, 778-783 (2024)
Quantum bits (qubits) are prone to several types of errors due to uncontrolled interactions with their environment. Common strategies to correct these errors are based on architectures of qubits involving daunting hardware overheads. A hopeful path f
Externí odkaz:
http://arxiv.org/abs/2307.06617
Autor:
Martin, Vincent, Sarlette, Alain
We propose a reservoir design, composed of fixed dissipation operators acting each on few local subsystems, to stabilize an approximate GHZ state on n qubits. The main idea is to work out how a previously proposed sequence of two stabilization steps
Externí odkaz:
http://arxiv.org/abs/2306.05070
Autor:
Sellem, Lev-Arcady, Sarlette, Alain, Leghtas, Zaki, Mirrahimi, Mazyar, Rouchon, Pierre, Campagne-Ibarcq, Philippe
We propose a novel approach to generate, protect and control GKP qubits. It employs a microwave frequency comb parametrically modulating a Josephson circuit to enforce a dissipative dynamics of a high impedance circuit mode, autonomously stabilizing
Externí odkaz:
http://arxiv.org/abs/2304.01425
Publikováno v:
Phys. Rev. A 109, 062206 (2024)
This paper discusses quantum adiabatic elimination, which is a model reduction technique for a composite Lindblad system consisting of a fast decaying sub-system coupled to another sub-system with a much slower timescale. Such a system features an in
Externí odkaz:
http://arxiv.org/abs/2303.04495
Publikováno v:
PRX Quantum 4.4, 040316 (2023)
Bosonic cat qubits stabilized with a driven two-photon dissipation are systems with exponentially biased noise, opening the door to low-overhead, fault-tolerant and universal quantum computing. However, current gate proposals for such qubits induce s
Externí odkaz:
http://arxiv.org/abs/2303.00760