Search Results - "Royer, Baptiste"
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1
Stabilization of Finite-Energy Gottesman-Kitaev-Preskill States
Published in Physical review letters (31-12-2020)“…We introduce a new approach to Gottesman-Kitaev-Preskill (GKP) states that treats their finite-energy version in an exact manner. Based on this analysis, we…”
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2
Encoding Qubits in Multimode Grid States
Published in PRX quantum (01-03-2022)“…Encoding logical quantum information in harmonic oscillator modes is a promising and hardware-efficient approach to the realization of a quantum computer. In…”
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3
Fast and high-fidelity entangling gate through parametrically modulated longitudinal coupling
Published in Quantum (Vienna, Austria) (11-05-2017)“…We investigate an approach to universal quantum computation based on the modulation of longitudinal qubit-oscillator coupling. We show how to realize a…”
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4
Itinerant Microwave Photon Detector
Published in Physical review letters (18-05-2018)“…The realization of a high-efficiency microwave single photon detector is a long-standing problem in the field of microwave quantum optics. Here, we propose a…”
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5
Fast universal control of an oscillator with weak dispersive coupling to a qubit
Published in Nature physics (01-12-2022)“…Full manipulation of a quantum system requires controlled evolution generated by nonlinear interactions, which is coherent when the rate of nonlinearity is…”
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6
Digital Homodyne and Heterodyne Detection for Stationary Bosonic Modes
Published in Physical review letters (09-08-2024)“…Homo- and heterodyne detection are fundamental techniques for measuring propagating electromagnetic fields. However, applying these techniques to stationary…”
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7
Qubit parity measurement by parametric driving in circuit QED
Published in Science advances (01-11-2018)“…Multiqubit parity measurements are essential to quantum error correction. Current realizations of these measurements often rely on ancilla qubits, a method…”
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8
Loophole-free Bell inequality violation with superconducting circuits
Published in Nature (London) (11-05-2023)“…Superposition, entanglement and non-locality constitute fundamental features of quantum physics. The fact that quantum physics does not follow the principle of…”
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9
Digital homodyne and heterodyne detection for stationary bosonic modes
Published 22-12-2023“…Phys. Rev. Lett. 133, 063601 (2024) Homo- and heterodyne detection are fundamental techniques for measuring propagating electromagnetic fields. However,…”
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10
Encoding qubits in multimode grid states
Published 07-02-2022“…Encoding logical quantum information in harmonic oscillator modes is a promising and hardware-efficient approach to the realization of a quantum computer. In…”
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11
Bosonic Pauli+: Efficient Simulation of Concatenated Gottesman-Kitaev-Preskill Codes
Published 14-02-2024“…A promising route towards fault-tolerant quantum error correction is the concatenation of a Gottesman-Kitaev-Preskill (GKP) code with a qubit code. Development…”
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12
High-fidelity gates in a transmon using bath engineering for passive leakage reset
Published 06-11-2024“…Leakage, the occupation of any state not used in the computation, is one of the of the most devastating errors in quantum error correction. Transmons, the most…”
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13
Stabilization of Finite-Energy Gottesman-Kitaev-Preskill States
Published 16-09-2020“…Phys. Rev. Lett. 125, 260509 (2020) We introduce a new approach to Gottesman-Kitaev-Preskill (GKP) states that treats their finite-energy version in an exact…”
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14
Synthetic high angular momentum spin dynamics in a microwave oscillator
Published 24-05-2024“…Spins and oscillators are foundational to much of physics and applied sciences. For quantum information, a spin 1/2 exemplifies the most basic unit, a qubit…”
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15
Qubit Parity Measurement by Parametric Driving in Circuit QED
Published 27-02-2018“…Science Advances 30 Nov 2018: Vol. 4, no. 11, eaau1695 Multi-qubit parity measurements are essential to quantum error correction. Current realizations of these…”
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16
Quantum metamaterial for nondestructive microwave photon counting
Published 13-05-2020“…Phys. Rev. Applied 15, 034074 (2021) Detecting traveling photons is an essential primitive for many quantum information processing tasks. We introduce a…”
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17
Fast Universal Control of an Oscillator with Weak Dispersive Coupling to a Qubit
Published 11-11-2021“…Nature Physics, 2022 A controlled evolution generated by nonlinear interactions is required to perform full manipulation of a quantum system, and such control…”
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18
Itinerant microwave photon detector
Published 17-10-2017“…Phys. Rev. Lett. 120, 203602 (2018) The realization of a high-efficiency microwave single photon detector is a long-standing problem in the field of microwave…”
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19
Fast and High-Fidelity Entangling Gate through Parametrically Modulated Longitudinal Coupling
Published 09-05-2017“…Quantum 1, 11 (2017) We investigate an approach to universal quantum computation based on the modulation of longitudinal qubit-oscillator coupling. We show how…”
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20
Microwave Quantum Link between Superconducting Circuits Housed in Spatially Separated Cryogenic Systems
Published 04-08-2020“…Phys. Rev. Lett. 125, 260502 (2020) Superconducting circuits are a strong contender for realizing quantum computing systems, and are also successfully used to…”
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