1.1k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of Maryland, College ParkUS611 papers
- Joint Quantum InstituteUS359 papers
- National Institute of Standards and TechnologyUS185 papers
- California Institute of TechnologyUS53 papers
- Massachusetts Institute of TechnologyUS44 papers
- Princeton UniversityUS37 papers
- Harvard UniversityUS31 papers
- University of California, BerkeleyUS31 papers
- IonQ (United States)US28 papers
- University of WaterlooCA26 papers
- University of Colorado BoulderUS24 papers
- DEVCOM Army Research LaboratoryUS23 papers
31 papers · 1 filter
Hybrid superinductance with Al/InAs
Junseok Oh, Ido Levy, Tyler Cowan +4
We report microwave spectroscopy of Josephson junctions chains made from an epitaxial Al/InAs heterostructure. The chains exhibit superinductance, with characteristic wave impedanc…
Measuring pulse heating in Si quantum dots with individual two-level fluctuators
Feiyang Ye, Lokendra S. Dhami, John M. Nichol
To encode quantum information in semiconductor spin qubits, voltage pulses are necessary for initialization, gate operation, and readout. However, these pulses dissipate heat, shif…
Superconductivity in Substitutional Ga-Hyperdoped Ge Epitaxial Thin Films
Julian A. Steele, Patrick J. Strohbeen, Carla Verdi +12
Doping-induced superconductivity in group IV elements may enable quantum functionalities in material systems accessible with well-established semiconductor technologies. Non-equili…
Bootstrapping, autonomous testing, and initialization system for Si/SiGe multi-quantum-dot devices
Tyler J. Kovach, Daniel Schug, M. A. Wolfe +7
Semiconductor quantum dot (QD) devices have become central to advancements in spin-based quantum computing. However, the increasing complexity of modern QD devices makes calibratio…
Modular Autonomous Virtualization System for Two-Dimensional Semiconductor Quantum Dot Arrays
Anantha S. Rao, Donovan Buterakos, Barnaby van Straaten +8
Arrays of gate-defined semiconductor quantum dots are among the leading candidates for building scalable quantum processors. High-fidelity initialization, control, and readout of s…
Electrical Interconnects for Silicon Spin Qubits
Christopher David White, Anthony Sigillito, Michael J. Gullans
Scalable spin qubit devices will likely require long-range qubit interconnects. We propose to create such an interconnect with a resistive topgate. The topgate is positively biased…
Autonomous Bootstrapping of Quantum Dot Devices
Anton Zubchenko, Danielle Middlebrooks, Torbjørn Rasmussen +4
Semiconductor quantum dots (QDs) are a promising platform for multiple different qubit implementations, all of which are voltage controlled by programmable gate electrodes. However…
Collective optical properties of moiré excitons
Tsung-Sheng Huang, Yu-Xin Wang, Yan-Qi Wang +3
We propose that excitons in moiré transition metal dichalcogenide bilayers offer a promising platform for investigating collective radiative properties. While some of these optical…
Gate tunable enhancement of supercurrent in hybrid planar Josephson junctions
Peng Yu, Han Fu, William F. Schiela +6
Planar Josephson junctions (JJs) have emerged as a promising platform for the realization of topological superconductivity and Majorana zero modes. To obtain robust quasi one-dimen…
Transport and fusion of Majorana zero modes in the presence of nonadiabatic transitions
Qiongyao Wang, Jing Bai, Luting Xu +2
We perform simulations for transport and nontrivial fusion of Majorana zero modes in topological superconducting quantum wires. We uncover interesting behaviors of nonadiabatic tra…
Data needs and challenges for quantum dot devices automation
Justyna P. Zwolak, Jacob M. Taylor, Reed W. Andrews +17
Gate-defined quantum dots are a promising candidate system for realizing scalable, coupled qubit systems and serving as a fundamental building block for quantum computers. However,…
Automated extraction of capacitive coupling for quantum dot systems
Joshua Ziegler, Florian Luthi, Mick Ramsey +3
Gate-defined quantum dots (QDs) have appealing attributes as a quantum computing platform. However, near-term devices possess a range of possible imperfections that need to be acco…
Tuning arrays with rays: Physics-informed tuning of quantum dot charge states
Joshua Ziegler, Florian Luthi, Mick Ramsey +3
Quantum computers based on gate-defined quantum dots (QDs) are expected to scale. However, as the number of qubits increases, the burden of manually calibrating these systems becom…
Chiral transport of hot carriers in graphene in the quantum Hall regime
Bin Cao, Tobias Grass, Olivier Gazzano +12
Photocurrent (PC) measurements can reveal the relaxation dynamics of photo-excited hot carriers beyond the linear response of conventional transport experiments, a regime important…
Kramers' degeneracy for open systems in thermal equilibrium
Simon Lieu, Max McGinley, Oles Shtanko +2
Kramers' degeneracy theorem underpins many interesting effects in quantum systems with time-reversal symmetry. We show that the generator of dynamics for Markovian open fermionic s…
Photonic Topological Anderson Insulators
Simon Stützer, Yonatan Plotnik, Yaakov Lumer +5
The hallmark property of two-dimensional topological materials is the incredible robustness of the quantized Hall conductivity to disorder. That robustness arises from the fact tha…
Tunable Fragile Topology in Floquet Systems
Rui-Xing Zhang, Zhi-Cheng Yang
We extend the notion of fragile topology to periodically-driven systems. We demonstrate driving-induced fragile topology in two different models, namely, the Floquet honeycomb mode…
Fluctuation-induced torque on a topological insulator out of thermal equilibrium
M. F. Maghrebi, A. V. Gorshkov, J. D. Sau
Topological insulators with the time reversal symmetry broken exhibit strong magnetoelectric and magneto-optic effects. While these effects are well-understood in or near equilibri…
Probing electron-phonon interactions in the charge-photon dynamics of cavity-coupled double quantum dots
M. J. Gullans, J. M. Taylor, J. R. Petta
Electron-phonon coupling is known to play an important role in the charge dynamics of semiconductor quantum dots. Here we explore its role in the combined charge-photon dynamics of…
High-fidelity quantum gates in Si/SiGe double quantum dots
Maximilian Russ, D. M. Zajac, A. J. Sigillito +4
Motivated by recent experiments of Zajac et al. [arXiv:1708.03530], we theoretically describe high-fidelity two-qubit gates using the exchange interaction between the spins in neig…
Out-of-time-order correlators in finite open systems
S. V. Syzranov, A. V. Gorshkov, V. Galitski
We study out-of-time order correlators (OTOCs) of the form for a quantum system weakly coupled to a dissipative environment. Su…
Threshold Dynamics of a Semiconductor Single Atom Maser
Y. -Y. Liu, J. Stehlik, C. Eichler +5
We demonstrate a single-atom maser consisting of a semiconductor double quantum dot (DQD) that is embedded in a high quality factor microwave cavity. A finite bias drives the DQD o…
High-Order Multipole Radiation from Quantum Hall States in Dirac Materials
Michael J. Gullans, Jacob M. Taylor, Atac Imamoglu +2
We investigate the optical response of strongly disordered quantum Hall states in two-dimensional Dirac materials and find qualitatively different effects in the radiation properti…
Double Quantum Dot Floquet Gain Medium
J. Stehlik, Y. -Y. Liu, C. Eichler +5
Strongly driving a two-level quantum system with light leads to a ladder of Floquet states separated by the photon energy. Nanoscale quantum devices allow the interplay of confined…