A superconducting quantum simulator based on a photonic-bandgap metamaterial
Synthesizing many-body quantum systems with various ranges of interactions facilitates the
study of quantum chaotic dynamics. Such extended interaction range can be enabled by …
study of quantum chaotic dynamics. Such extended interaction range can be enabled by …
Gigahertz phononic integrated circuits on thin-film lithium niobate on sapphire
Acoustic devices play an important role in classical information processing. The slower
speed and lower losses of mechanical waves enable compact and efficient elements for …
speed and lower losses of mechanical waves enable compact and efficient elements for …
Deterministic generation of multidimensional photonic cluster states with a single quantum emitter
Entanglement is a key resource in quantum computing and other prospective technologies.
Multidimensional photonic graph states, such as cluster states, have a special entanglement …
Multidimensional photonic graph states, such as cluster states, have a special entanglement …
Strong dispersive coupling between a mechanical resonator and a fluxonium superconducting qubit
We demonstrate strong dispersive coupling between a fluxonium superconducting qubit and
a 690 megahertz mechanical oscillator, extending the reach of circuit quantum acousto …
a 690 megahertz mechanical oscillator, extending the reach of circuit quantum acousto …
Piezoelectric transduction of a wavelength-scale mechanical waveguide
We present a piezoelectric transducer in thin-film lithium niobate that converts a 1.7-GHz
microwave signal to a mechanical wave in a single mode of a 1-μ m-wide waveguide. We …
microwave signal to a mechanical wave in a single mode of a 1-μ m-wide waveguide. We …
Optimal dispersive readout of a spin qubit with a microwave resonator
Strong coupling of semiconductor spin qubits to superconducting microwave resonators was
recently demonstrated [X. Mi, Nature 555, 599 (2018) NATUAS 0028-0836 …
recently demonstrated [X. Mi, Nature 555, 599 (2018) NATUAS 0028-0836 …
Broadband bandpass Purcell filter for circuit quantum electrodynamics
In circuit quantum electrodynamics, qubits are typically measured using dispersively
coupled readout resonators. Coupling between each readout resonator and its electrical …
coupled readout resonators. Coupling between each readout resonator and its electrical …
High-suppression-ratio and wide bandwidth four-stage Purcell filter for multiplexed superconducting qubit readout
Y Zhou, X Cai, Y Zheng, B Zhou, Y Wang… - Journal of Applied …, 2024 - pubs.aip.org
Purcell filters, which serve to suppress electromagnetic radiation and enhance the readout
efficiency of qubit, are an indispensable component in superconducting quantum chips. With …
efficiency of qubit, are an indispensable component in superconducting quantum chips. With …
Characterization of broadband Purcell filters with compact footprint for fast multiplexed superconducting qubit readout
Engineering the admittance of external environments connected to superconducting qubits
is essential, as increasing the measurement speed introduces spontaneous emission loss to …
is essential, as increasing the measurement speed introduces spontaneous emission loss to …
High-fidelity gates in a transmon using bath engineering for passive leakage reset
T Thorbeck, A McDonald, O Lanes, J Blair… - arxiv preprint arxiv …, 2024 - arxiv.org
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 common …
devastating errors in quantum error correction. Transmons, the most common …