Single flux quantum-based digital control of superconducting qubits in a multichip module
CH Liu, A Ballard, D Olaya, DR Schmidt, J Biesecker… - PRX Quantum, 2023 - APS
Single flux quantum (SFQ) digital logic has been proposed for the scalable control of next-
generation superconducting-qubit arrays. In the initial implementation, SFQ-based gate …
generation superconducting-qubit arrays. In the initial implementation, SFQ-based gate …
Superconducting qubits above 20 GHz operating over 200 mK
Current state-of-the-art superconducting microwave qubits are cooled to extremely low
temperatures to avoid sources of decoherence. Higher qubit operating temperatures would …
temperatures to avoid sources of decoherence. Higher qubit operating temperatures would …
Flat-band localization and interaction-induced delocalization of photons
JGC Martinez, CS Chiu, BM Smitham, AA Houck - Science Advances, 2023 - science.org
Lattices with dispersionless, or flat, energy bands have attracted substantial interest in part
due to the strong dependence of particle dynamics on interactions. Using superconducting …
due to the strong dependence of particle dynamics on interactions. Using superconducting …
Emulating two qubits with a four-level transmon qudit for variational quantum algorithms
Using quantum systems with more than two levels, or qudits, can scale the computational
space of quantum processors more efficiently than using qubits, which may offer an easier …
space of quantum processors more efficiently than using qubits, which may offer an easier …
Ultrafast superconducting qubit readout with the quarton coupler
Fast, high-fidelity, and quantum nondemolition (QND) qubit readout is an essential element
of quantum information processing. For superconducting qubits, state-of-the-art readout is …
of quantum information processing. For superconducting qubits, state-of-the-art readout is …
First Results from a Broadband Search for Dark Photon Dark Matter in the 44 to Range with a Coaxial Dish Antenna
We present first results from a dark photon dark matter search in the mass range from 44 to
52 μ eV (10.7–12.5 GHz) using a room-temperature dish antenna setup called GigaBREAD …
52 μ eV (10.7–12.5 GHz) using a room-temperature dish antenna setup called GigaBREAD …
Tunable Inductive Coupler for High-Fidelity Gates Between Fluxonium Qubits
The fluxonium qubit is a promising candidate for quantum computation due to its long
coherence times and large anharmonicity. We present a tunable coupler that realizes strong …
coherence times and large anharmonicity. We present a tunable coupler that realizes strong …
Quantum computing hardware for HEP algorithms and sensing
MS Alam, S Belomestnykh, N Bornman… - arXiv preprint arXiv …, 2022 - arxiv.org
Quantum information science harnesses the principles of quantum mechanics to realize
computational algorithms with complexities vastly intractable by current computer platforms …
computational algorithms with complexities vastly intractable by current computer platforms …
SLAC Microresonator RF (SMuRF) Electronics: A tone-tracking readout system for superconducting microwave resonator arrays
C Yu, Z Ahmed, JC Frisch, SW Henderson… - Review of Scientific …, 2023 - pubs.aip.org
We describe the newest generation of the SLAC Microresonator RF (SMuRF) electronics, a
warm digital control and readout system for microwave-frequency resonator-based …
warm digital control and readout system for microwave-frequency resonator-based …
Time-dependent magnetic flux in devices for circuit quantum electrodynamics
Recent theoretical work has highlighted that quantizing a superconducting circuit in the
presence of time-dependent flux Φ (t) generally produces Hamiltonian terms proportional to …
presence of time-dependent flux Φ (t) generally produces Hamiltonian terms proportional to …