Search Results - "Vandersypen, L. M. K."
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1
Strong spin-photon coupling in silicon
Published in Science (American Association for the Advancement of Science) (09-03-2018)“…Long coherence times of single spins in silicon quantum dots make these systems highly attractive for quantum computation, but how to scale up spin qubit…”
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2
A programmable two-qubit quantum processor in silicon
Published in Nature (London) (29-03-2018)“…A two-qubit quantum processor in a silicon device is demonstrated, which can perform the Deutsch–Josza algorithm and the Grover search algorithm. Taken for a…”
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3
Universal Quantum Transducers Based on Surface Acoustic Waves
Published in Physical review. X (01-09-2015)“…We propose a universal, on-chip quantum transducer based on surface acoustic waves in piezoactive materials. Because of the intrinsic piezoelectric (and/or…”
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4
Nuclear spin effects in semiconductor quantum dots
Published in Nature materials (01-06-2013)“…Semiconducting quantum dots are considered candidate materials for realizing spin-based quantum computation devices. This Review examines the main results…”
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5
Current-Phase Relation of Ballistic Graphene Josephson Junctions
Published in Nano letters (14-06-2017)“…The current-phase relation (CPR) of a Josephson junction (JJ) determines how the supercurrent evolves with the superconducting phase difference across the…”
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6
Spin Lifetime and Charge Noise in Hot Silicon Quantum Dot Qubits
Published in Physical review letters (17-08-2018)“…We investigate the magnetic field and temperature dependence of the single-electron spin lifetime in silicon quantum dots and find a lifetime of 2.8 ms at a…”
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7
Quantum Simulation of Antiferromagnetic Heisenberg Chain with Gate-Defined Quantum Dots
Published in Physical review. X (01-11-2021)“…Quantum-mechanical correlations of interacting fermions result in the emergence of exotic phases. Magnetic phases naturally arise in the Mott-insulator regime…”
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8
Single-Shot Correlations and Two-Qubit Gate of Solid-State Spins
Published in Science (American Association for the Advancement of Science) (02-09-2011)“…Measurement of coupled quantum systems plays a central role in quantum information processing. We have realized independent single-shot read-out of two…”
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9
Driven coherent oscillations of a single electron spin in a quantum dot
Published in Nature (London) (17-08-2006)“…The ability to control the quantum state of a single electron spin in a quantum dot is at the heart of recent developments towards a scalable spin-based…”
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10
Spin-relaxation anisotropy in a GaAs quantum dot
Published in Physical review letters (19-12-2014)“…We report that the electron spin-relaxation time T_{1} in a GaAs quantum dot with a spin-1/2 ground state has a 180° periodicity in the orientation of the…”
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11
Single-shot read-out of an individual electron spin in a quantum dot
Published in Nature (22-07-2004)“…Spin is a fundamental property of all elementary particles. Classically it can be viewed as a tiny magnetic moment, but a measurement of an electron spin along…”
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12
Graphene at High Bias: Cracking, Layer by Layer Sublimation, and Fusing
Published in Nano letters (11-04-2012)“…Graphene and few-layer graphene at high bias expose a wealth of phenomena due to the high temperatures reached. With in situ transmission electron microscopy,…”
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13
Second-Harmonic Coherent Driving of a Spin Qubit in a Si/SiGe Quantum Dot
Published in Physical review letters (01-09-2015)“…We demonstrate coherent driving of a single electron spin using second-harmonic excitation in a Si/SiGe quantum dot. Our estimates suggest that the anharmonic…”
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14
Control and Detection of Singlet-Triplet Mixing in a Random Nuclear Field
Published in Science (American Association for the Advancement of Science) (26-08-2005)“…We observed mixing between two-electron singlet and triplet states in a double quantum dot, caused by interactions with nuclear spins in the host…”
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15
Acoustic Traps and Lattices for Electrons in Semiconductors
Published in Physical review. X (24-10-2017)“…We propose and analyze a solid-state platform based on surface acoustic waves for trapping, cooling, and controlling (charged) particles, as well as the…”
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16
Single-shot readout of electron spin states in a quantum dot using spin-dependent tunnel rates
Published in Physical review letters (20-05-2005)“…We present a method for reading out the spin state of electrons in a quantum dot that is robust against charge noise and can be used even when the electron…”
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17
Ballistic Josephson junctions in edge-contacted graphene
Published in Nature nanotechnology (01-09-2015)“…Heterostructures of graphene and a superconducting metal allow Josephson junctions to be studied in a regime characterized by ballistic transport. Hybrid…”
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18
Electrical control of a long-lived spin qubit in a Si/SiGe quantum dot
Published in Nature nanotechnology (01-09-2014)“…The electron spin in a silicon-based quantum dot can be controlled electrically for as long as several tens of microseconds, which improves the prospects for…”
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Benchmarking Gate Fidelities in a Si / SiGe Two-Qubit Device
Published in Physical review. X (18-04-2019)“…We report the first complete characterization of single-qubit and two-qubit gate fidelities in silicon-based spin qubits, including cross talk and error…”
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Quantum dot arrays in silicon and germanium
Published in Applied physics letters (24-02-2020)“…Electrons and holes confined in quantum dots define excellent building blocks for quantum emergence, simulation, and computation. Silicon and germanium are…”
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