31 citations · 110 across the 11 of their papers we have counts for
11 papers
Fast Microwave-free State Preparation and Measurement of Superconducting Qubits
R. Abraham, F. Amet, P. Anderson +212
Fast, high-fidelity, scalable state preparation and measurement is critical to the realization of a quantum computing system. The state-of-the-art methods for preparation and reado…
Free-space coupling and characterization of transverse bulk phonon modes in lithium niobate in a quantum acoustic device
J. M. Kitzman, J. R. Lane, C. Undershute +5
Transverse bulk phonons in a multimode integrated quantum acoustic device are excited and characterized via their free-space coupling to a three-dimensional (3D) microwave cavity.…
Quantum acoustic Fano interference of surface phonons
J. M. Kitzman, J. R. Lane, C. Undershute +4
Quantum acoustic systems, which integrate surface or bulk phonons with superconducting qubits, offer a unique opportunity to investigate phononic and pr…
Phononic bath engineering of a superconducting qubit
J. M. Kitzman, J. R. Lane, C. Undershute +5
Phonons, the ubiquitous quanta of vibrational energy, play a vital role in the performance of quantum technologies. Conversely, unintended coupling to phonons degrades qubit perfor…
Helium surface fluctuations investigated with superconducting coplanar waveguide resonator
N. R. Beysengulov, C. A. Mikolas, J. M. Kitzman +6
Recent experiments on the coupling of the in-plane motional state of electrons floating on the surface of liquid helium to a microwave resonator have revealed the importance of hel…
Vantablack Shielding of Superconducting Qubit Systems
J. M. Kitzman, J. R. Lane, T. Stefanski +4
Circuit quantum electrodynamics (cQED) experiments on superconducting qubit systems typically employ radiation shields coated in photon absorbing materials to achieve high qubit co…
Noise performance & thermalization of single electron transistors using quantum fluids
N. R. Beysengulov, J. R. Lane, J. M. Kitzman +3
We report on low-temperature noise measurements of a single electron transistor (SET) immersed in superfluid He. The device acts as a charge sensitive electrometer able to dete…
Piezoacoustics for precision control of electrons floating on helium
H. Byeon, K. Nasyedkin, J. R. Lane +4
Piezoelectric surface acoustic waves (SAWs) are powerful for investigating and controlling elementary and collective excitations in condensed matter. In semiconductor two-dimension…
Integrating superfluids with superconducting qubit systems
J. R. Lane, D. Tan, N. R. Beysengulov +7
Superfluid helium's low-loss dielectric properties, excellent thermal conductivity, and unique collective excitations make it an attractive candidate to incorporate into supercondu…
Anomalous attenuation of piezoacoustic surface waves by liquid helium thin films
H. Byeon, K. Nasyedkin, J. R. Lane +4
We report on the observation of an anomalously high attenuation of high frequency surface acoustic waves by thin films of liquid He. The piezoelectric acoustic waves propagat…
Flip-chip gate-tunable acoustoelectric effect in graphene
J. R. Lane, L. Zhang, M. A. Khasawneh +3
We demonstrate a flip-chip device for performing low-temperature acoustoelectric measurements on exfoliated two-dimensional materials. With this device, we study gate-tunable acous…