Results 41 to 50 of about 2,092,913 (379)
Superconductor qubits hamiltonian approximations effect on quantum state evolution and control
Scientific Reports, 2021 Microwave IQ-mixer controllers are designed for the three approximated Hamiltonians of charge, phase and flux qubits and the controllers are exerted both on approximate and precise quantum system models.
Javad Sharifi
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High-Fidelity Photonic Three-Degree-of-Freedom Hyperparallel Controlled-Phase-Flip Gate
Frontiers in Physics, 2022 Encoding computing qubits in multiple degrees of freedom (DOFs) of a photonic system allows hyperparallel quantum computation to enlarge channel capacity with less quantum resource, and constructing high-fidelity hyperparallel quantum gates is always ...
Guan-Yu Wang, Hai-Rui Wei
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Gate-based superconducting quantum computing [PDF]
Journal of Applied Physics, 2020 In this tutorial, we introduce basic conceptual elements to understand and build a gate-based superconducting quantum computing system.
Sangil Kwon +4 more
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Physical Review A, 2010 We study ultracold collisions of ions with neutral atoms in traps. Recently, ultracold atom-ion systems are becoming available in experimental setups, where their quantum states can be coherently controlled. This allows for an implementation of quantum information processing combining the advantages of charged and neutral particles. The state-dependent
Doerk H., Idziaszek Z., Calarco T.
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Fast three-qubit Toffoli quantum gate based on three-body Förster resonances in Rydberg atoms [PDF]
Physical Review A, 2018 We propose a scheme of fast three-qubit Toffoli quantum gate for ultracold neutral-atom qubits. The scheme is based on the Stark-tuned three-body F\"{o}rster resonances, which we have observed in our recent experiment [D.B.Tretyakov et al., Phys.Rev.Lett.
I. Beterov +8 more
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Gate-free state preparation for fast variational quantum eigensolver simulations
npj Quantum Information, 2021 The variational quantum eigensolver is currently the flagship algorithm for solving electronic structure problems on near-term quantum computers. The algorithm involves implementing a sequence of parameterized gates on quantum hardware to generate a ...
O. R. Meitei +6 more
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Improving the Performance of Deep Quantum Optimization Algorithms with Continuous Gate Sets [PDF]
PRX Quantum, 2020 Variational quantum algorithms are believed to be promising for solving computationally hard problems and are often comprised of repeated layers of quantum gates. An example thereof is the quantum approximate optimization algorithm (QAOA), an approach to
N. Lacroix +12 more
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Heralded Nondestructive Quantum Entangling Gate with Single-Photon Sources. [PDF]
Physical Review Letters, 2020 Heralded entangling quantum gates are an essential element for the implementation of large-scale optical quantum computation. Yet, the experimental demonstration of genuine heralded entangling gates with free-flying output photons in linear optical ...
Jin-Peng Li +12 more
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Quantum gates by periodic driving [PDF]
Scientific Reports, 2016 AbstractTopological quantum computation has been extensively studied in the past decades due to its robustness against decoherence. One way to realize the topological quantum computation is by adiabatic evolutions—it requires relatively long time to complete a gate, so the speed of quantum computation slows down.
Wei Wang +3 more
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