Joel I-Jan Wang
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View article: Kinetic Inductance of Few-Layer NbSe$_2$ in the Two-Dimensional Limit
Kinetic Inductance of Few-Layer NbSe$_2$ in the Two-Dimensional Limit Open
Van der Waals (vdW) superconductors remain superconducting down to the monolayer limit, enabling the exploration of emergent physical phenomena and functionality driven by reduced dimensionality. Here, we report the characterization of the…
View article: Temperature and Magnetic-Field Dependence of Energy Relaxation in a Fluxonium Qubit
Temperature and Magnetic-Field Dependence of Energy Relaxation in a Fluxonium Qubit Open
Noise from material defects at device interfaces is known to limit the coherence of superconducting circuits, yet our understanding of the defect origins and noise mechanisms remains incomplete. Here we investigate the temperature and in-p…
View article: Deterministic remote entanglement using a chiral quantum interconnect
Deterministic remote entanglement using a chiral quantum interconnect Open
View article: Superfluid Stiffness and Flat-Band Superconductivity in Magic-Angle Graphene Probed by cQED
Superfluid Stiffness and Flat-Band Superconductivity in Magic-Angle Graphene Probed by cQED Open
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 mechanism of other strongly correlated materials such as hi…
View article: Evolution of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>1</mml:mn><mml:mo>/</mml:mo><mml:mi>f</mml:mi></mml:math> Flux Noise in Superconducting Qubits with Weak Magnetic Fields
Evolution of Flux Noise in Superconducting Qubits with Weak Magnetic Fields Open
The microscopic description of 1/f magnetic flux noise in superconducting circuits has remained an open question for several decades despite extensive experimental and theoretical investigation. Recent progress in superconducting devices f…
View article: Evolution of $1/f$ Flux Noise in Superconducting Qubits with Weak Magnetic Fields
Evolution of $1/f$ Flux Noise in Superconducting Qubits with Weak Magnetic Fields Open
The microscopic origin of $1/f$ magnetic flux noise in superconducting circuits has remained an open question for several decades despite extensive experimental and theoretical investigation. Recent progress in superconducting devices for …
View article: On-demand directional microwave photon emission using waveguide quantum electrodynamics
On-demand directional microwave photon emission using waveguide quantum electrodynamics Open
View article: Lindblad Tomography of a Superconducting Quantum Processor
Lindblad Tomography of a Superconducting Quantum Processor Open
As progress is made towards the first generation of error-corrected quantum computers, robust characterization and validation protocols are required to assess the noise environments of physical quantum processors. While standard coherence …
View article: On-Demand Directional Microwave Photon Emission Using Waveguide Quantum Electrodynamics
On-Demand Directional Microwave Photon Emission Using Waveguide Quantum Electrodynamics Open
Routing quantum information between non-local computational nodes is a foundation for extensible networks of quantum processors. Quantum information transfer between arbitrary nodes is generally mediated either by photons that propagate be…
View article: Lindblad Tomography of a Superconducting Quantum Processor
Lindblad Tomography of a Superconducting Quantum Processor Open
As progress is made towards the first generation of error-corrected quantum computers, robust characterization and validation protocols are required to assess the noise environments of physical quantum processors. While standard coherence …
View article: Deep‐Learning‐Enabled Fast Optical Identification and Characterization of 2D Materials
Deep‐Learning‐Enabled Fast Optical Identification and Characterization of 2D Materials Open
Advanced microscopy and/or spectroscopy tools play indispensable roles in nanoscience and nanotechnology research, as they provide rich information about material processes and properties. However, the interpretation of imaging data heavil…
View article: Deep Learning Enabled Fast Optical Characterization of Two-Dimensional Materials
Deep Learning Enabled Fast Optical Characterization of Two-Dimensional Materials Open
View article: Coherent control of a hybrid superconducting circuit made with graphene-based van der Waals heterostructures
Coherent control of a hybrid superconducting circuit made with graphene-based van der Waals heterostructures Open
View article: Tunneling spectroscopy of graphene nanodevices coupled to large-gap superconductors
Tunneling spectroscopy of graphene nanodevices coupled to large-gap superconductors Open
We performed tunneling spectroscopy measurements of graphene coupled to niobium/niobium-nitride superconducting electrodes. Due to the proximity effect, the graphene density of states depends on the phase difference between the superconduc…
View article: Tunneling spectroscopy of graphene nanodevices coupled to large-gap superconductors
Tunneling spectroscopy of graphene nanodevices coupled to large-gap superconductors Open
We performed tunneling spectroscopy measurements of graphene coupled to\nniobium/niobium-nitride superconducting electrodes. Due to the proximity\neffect, the graphene density of states depends on the phase difference between\nthe supercon…
View article: Tunnelling spectroscopy of Andreev states in graphene
Tunnelling spectroscopy of Andreev states in graphene Open