1.5k citations · 2.9k across the 17 of their papers we have counts for
17 papers
Encapsulation epitaxy of air-stable monolayer superconducting films for quantum circuits and qubits
Xudong Zheng, Sameia Zaman, Kenan Zhang +22
Two-dimensional (2D) superconductors are an emerging platform for strongly correlated physics and quantum information science. Their reduced dimensionality, atomically flat interfa…
Deterministic remote entanglement using a chiral quantum interconnect
Aziza Almanakly, Beatriz Yankelevich, Max Hays +13
Quantum interconnects facilitate entanglement distribution between non-local computational nodes. For superconducting processors, microwave photons are a natural means to mediate t…
Superfluid Stiffness and Flat-Band Superconductivity in Magic-Angle Graphene Probed by cQED
Miuko Tanaka, Joel Î-j. Wang, Thao H. Dinh +16
The physics of superconductivity in magic-angle twisted bilayer graphene (MATBG) is a topic of keen interest in moiré systems research, and it may provide insight into the pairing…
Evolution of Flux Noise in Superconducting Qubits with Weak Magnetic Fields
David A. Rower, Lamia Ateshian, Lauren H. Li +18
The microscopic origin of magnetic flux noise in superconducting circuits has remained an open question for several decades despite extensive experimental and theoretical inv…
On-Demand Directional Microwave Photon Emission Using Waveguide Quantum Electrodynamics
Bharath Kannan, Aziza Almanakly, Youngkyu Sung +16
Routing quantum information between non-local computational nodes is a foundation for extensible networks of quantum processors. Quantum information transfer between arbitrary node…
Hexagonal Boron Nitride (hBN) as a Low-loss Dielectric for Superconducting Quantum Circuits and Qubits
Joel I-J. Wang, Megan A. Yamoah, Qing Li +19
Dielectrics with low loss at microwave frequencies are imperative for high-coherence solid-state quantum computing platforms. We study the dielectric loss of hexagonal boron nitrid…
Lindblad Tomography of a Superconducting Quantum Processor
Gabriel O. Samach, Ami Greene, Johannes Borregaard +15
As progress is made towards the first generation of error-corrected quantum computers, robust characterization and validation protocols are required to assess the noise environment…
Multi-level Quantum Noise Spectroscopy
Youngkyu Sung, Antti Vepsäläinen, Jochen Braumüller +14
System noise identification is crucial to the engineering of robust quantum systems. Although existing quantum noise spectroscopy (QNS) protocols measure an aggregate amount of noi…
Deep-Learning-Enabled Fast Optical Identification and Characterization of Two-Dimensional Materials
Bingnan Han, Yuxuan Lin, Yafang Yang +22
Advanced microscopy and/or spectroscopy tools play indispensable role in nanoscience and nanotechnology research, as it provides rich information about the growth mechanism, chemic…
Superconducting Qubits: Current State of Play
Morten Kjaergaard, Mollie E. Schwartz, Jochen Braumüller +4
Superconducting qubits are leading candidates in the race to build a quantum computer capable of realizing computations beyond the reach of modern supercomputers. The superconducti…
Tunneling spectroscopy of graphene nanodevices coupled to large-gap superconductors
Joel I-Jan Wang, Landry Bretheau, Daniel Rodan-Legrain +4
We performed tunneling spectroscopy measurements of graphene coupled to niobium/niobium-nitride superconducting electrodes. Due to the proximity effect, the graphene density of sta…
Quantum coherent control of a hybrid superconducting circuit made with graphene-based van der Waals heterostructures
Joel I-Jan Wang, Daniel Rodan-Legrain, Landry Bretheau +14
Quantum coherence and control is foundational to the science and engineering of quantum systems. In van der Waals (vdW) materials, the collective coherent behavior of carriers has…
A tunable coupling scheme for implementing high-fidelity two-qubit gates
Fei Yan, Philip Krantz, Youngkyu Sung +6
The prospect of computational hardware with quantum advantage relies critically on the quality of quantum gate operations. Imperfect two-qubit gates is a major bottleneck for achie…
Tunnelling Spectroscopy of Andreev States in Graphene
Landry Bretheau, Joel I-Jan Wang, Riccardo Pisoni +3
A normal conductor placed in good contact with a superconductor can inherit its remarkable electronic properties. This proximity effect microscopically originates from the formatio…
Visualization of phase-coherent electron interference in a ballistic graphene Josephson junction
M. T. Allen, O. Shtanko, I. C. Fulga +8
Interference of standing waves in electromagnetic resonators forms the basis of many technologies, from telecommunications and spectroscopy to detection of gravitational waves. How…
Band Structure Mapping of Bilayer Graphene via Quasiparticle Scattering
Matthew Yankowitz, Joel I-Jan Wang, Suchun Li +7
A perpendicular electric field breaks the layer symmetry of Bernal-stacked bilayer graphene, resulting in the opening of a band gap and a modification of the effective mass of the…
Electric Field Control of Soliton Motion and Stacking in Trilayer Graphene
Matthew Yankowitz, Joel I-Jan Wang, A. Glen Birdwell +7
The crystal structure of a material plays an important role in determining its electronic properties. Changing from one crystal structure to another involves a phase transition whi…