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- Canadian Institute for Advanced ResearchCA270 papers
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251 papers · 1 filter
Quantum error correction of a grid-state qubit with state preparation and measurement errors below
Sara Turcotte, Lucas St-Jean, Amélie L. Pessonneaux +10
Grid state qubits offer a hardware-efficient approach to large-scale fault-tolerant quantum computing. They access the information redundancy required for quantum error correction…
Stroboscopic detection of itinerant microwave photons
Hanna Zeller, Lukas Danner, Max Hofheinz +3
We present a novel scheme to detect itinerant microwave radiation at the single photon level. Using existing Josephson-photonics devices, where two microwave cavities are coupled b…
DC-powered broadband quantum-limited microwave amplifier
N. Nehra, N. Bourlet, A. H. Esmaeili +7
Fast, high-fidelity, single-shot readout of superconducting qubits in quantum processors demands quantum-limited amplifiers to preserve the optimal signal-to-noise ratio. Typically…
Leveraging Analog Neutral Atom Quantum Computers for Diversified Pricing in Hybrid Column Generation Frameworks
Cédrick Perron, Yves Bérubé-Lauzière, Victor Drouin-Touchette
In this work, we develop new pulse designs and embedding strategies to improve the analog quantum subroutines of hybrid column generation (CG) algorithms based on neutral-atoms qua…
Enlarging the GKP stabilizer group for enhanced noise protection
Jonathan Pelletier, Baptiste Royer
Encoding a qubit in a larger Hilbert space of an oscillator is an efficient way to protect its quantum information against decoherence. Promising examples of such bosonic encodings…
Using a Kerr interaction for GKP magic state preparation
Jérémie Boudreault, Ross Shillito, Jean-Baptiste Bertrand +1
Magic state distillation and injection is a promising strategy towards universal fault tolerant quantum computation, especially in architectures based on the bosonic Gottesman-Kita…