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16 papers · 1 filter
Power Delivery for Cryogenic Scalable Quantum Applications: Challenges and Opportunities
Yating Zou, Batuhan Keskin, Gregor G. Taylor +6
Quantum technologies offer unprecedented capabilities in computation and secure information transfer. Their implementation requires qubits to operate at cryogenic temperatures (CT)…
Many-body interferometry with semiconductor spins
Daniel Jirovec, Stefano Reale, Pablo Cova-Fariña +9
Quantum simulators enable studies of many-body phenomena which are intractable with classical hardware. Spins in devices based on semiconductor quantum dots promise precise electri…
Impact of the local valley splitting on the coherence of conveyor-belt spin shuttling in Si/SiGe
Mats Volmer, Tom Struck, Jhih-Sian Tu +6
Silicon quantum chips offer a promising path toward scalable, fault-tolerant quantum computing, with the potential to host millions of qubits. However, scaling up dense quantum-dot…
Piecemaker: a resource-efficient entanglement distribution protocol
Luise Prielinger, Kenneth Goodenough, Guus Avis +3
We introduce multipartite entanglement distribution protocols that use a quantum switch to deliver stabilizer states to a number of remote end users. As in existing schemes, the fi…
Decoherence and fidelity enhancement during shuttling of entangled spin qubits
Yu-Ning Zhang, Aleksandr S. Mokeev, Viatcheslav V. Dobrovitski
Shuttling of spin qubits between different locations is a key element in many prospective semiconductor systems for quantum information processing, but the shuttled qubits should b…
Trans-dimensional Hamiltonian model selection and parameter estimation from sparse, noisy data
Abigail N. Poteshman, Jiwon Yun, Tim H. Taminiau +1
High-throughput characterization often requires estimating parameters and model dimension from experimental data of limited quantity and quality. Such data may result in an ill-pos…