6.9k citations · 35.4k across the 126 of their papers we have counts for
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Circuit quantization with time-dependent magnetic fields for realistic geometries
Roman-Pascal Riwar, David P. DiVincenzo
Quantum circuit theory has become a powerful and indispensable tool to predict the dynamics of superconducting circuits. Surprisingly however, the question of how to properly accou…
Transmission lines and resonators based on quantum Hall plasmonics: electromagnetic field, attenuation and coupling to qubits
Stefano Bosco, David P. DiVincenzo
Quantum Hall edge states have some characteristic features that can prove useful to measure and control solid state qubits. For example, their high voltage to current ratio and the…
Transmission Lines and Meta-Materials based on Quantum Hall Plasmonics
Stefano Bosco, David P. DiVincenzo, David J. Reilly
The characteristic impedance of a microwave transmission line is typically constrained to a value = 50 , in-part because of the low impedance of free space and the limite…
Non-reciprocal quantum Hall devices with driven edge magnetoplasmons in 2-dimensional materials
Stefano Bosco, David Peter DiVincenzo
We develop a theory that describes the response of non-reciprocal devices employing 2-dimensional materials in the quantum Hall regime capacitively coupled to external electrodes.…
Self impedance matched Hall-effect gyrators and circulators
Stefano Bosco, Federica Haupt, David P. DiVincenzo
We present a model study of an alternative implementation of a two-port Hall-effect microwave gyrator. Our set-up involves three electrodes, one of which acts as a common ground fo…
High Kinetic Inductance Superconducting Nanowire Resonators for Circuit QED in a Magnetic Field
N. Samkharadze, A. Bruno, P. Scarlino +4
We present superconducting microwave-frequency resonators based on NbTiN nanowires. The small cross section of the nanowires minimizes vortex generation, making the resonators resi…
Methodology for bus layout for topological quantum error correcting codes
Martin Wosnitzka, Fabio L. Pedrocchi, David P. DiVincenzo
Most quantum computing architectures can be realized as two-dimensional lattices of qubits that interact with each other. We take transmon qubits and transmission line resonators a…
Simple operation sequences to couple and interchange quantum information between spin qubits of different kinds
Sebastian Mehl, David P. DiVincenzo
Efficient operation sequences to couple and interchange quantum information between quantum dot spin qubits of different kinds are derived using exchange interactions. In the qubit…
Monte Carlo studies of the properties of the Majorana quantum error correction code: is self-correction possible during braiding?
Fabio L. Pedrocchi, N. E. Bonesteel, David P. DiVincenzo
The Majorana code is an example of a stabilizer code where the quantum information is stored in a system supporting well-separated Majorana Bound States (MBSs). We focus on one-dim…
Majorana braiding with thermal noise
Fabio L. Pedrocchi, David P. DiVincenzo
We investigate the self-correcting properties of a network of Majorana wires, in the form of a trijunction, in contact with a parity-preserving thermal environment. As opposed to t…
Validity of the single-particle description and charge noise resilience for multielectron quantum dots
Michiel A. Bakker, Sebastian Mehl, Tuukka Hiltunen +2
We construct an optimal set of single-particle states for few-electron quantum dots (QDs) using the method of natural orbitals (NOs). The NOs include also the effects of the Coulom…
Inverted Singlet-Triplet Qubit Coded on a Two-Electron Double Quantum Dot
Sebastian Mehl, David P. DiVincenzo
The spin configuration of two electrons confined at a double quantum dot (DQD) encodes the singlet-triplet qubit (STQ). We introduce the inverted STQ (ISTQ) that emerges fr…
Two-Qubit Couplings of Singlet-Triplet Qubits Mediated by One Quantum State
Sebastian Mehl, Hendrik Bluhm, David P. DiVincenzo
We describe high-fidelity entangling gates between singlet-triplet qubits (STQs) which are coupled via one quantum state (QS). The QS can be provided by a quantum dot itself or by…
Hall Effect Gyrators and Circulators
Giovanni Viola, David P. DiVincenzo
The electronic circulator, and its close relative the gyrator, are invaluable tools for noise management and signal routing in the current generation of low-temperature microwave s…
Noise-Protected Gate for Six-Electron Double-Dot Qubits
Sebastian Mehl, David P. DiVincenzo
Singlet-triplet spin qubits in six-electron double quantum dots, in moderate magnetic fields, can show superior immunity to charge noise. This immunity results from the symmetry of…
Noise Analysis of Qubits Implemented in Triple Quantum Dot Systems in a Davies Master Equation Approach
Sebastian Mehl, David P. DiVincenzo
We analyze the influence of noise for qubits implemented using a triple quantum dot spin system. We give a detailed description of the physical realization and develop error models…
Coherent spin manipulation in an exchange-only qubit
E. A. Laird, J. M. Taylor, D. P. DiVincenzo +3
Initialization, manipulation, and measurement of a three-spin qubit are demonstrated using a few-electron triple quantum dot, where all operations can be driven by tuning the neare…
Superconducting resonators as beam splitters for linear-optics quantum computation
Luca Chirolli, Guido Burkard, Shwetank Kumar +1
A functioning quantum computer will be a machine that builds up, in a programmable way, nonclassical correlations in a multipartite quantum system. Linear optics quantum computatio…
Exploiting Kerr Cross Non-linearity in Circuit Quantum Electrodynamics for Non-demolition Measurements
Shwetank Kumar, David P. DiVincenzo
We propose a scheme for dispersive readout of stored energy in one mode of a nonlinear superconducting microwave ring resonator by detection of the frequency shift of a second mode…
Dephasing of a superconducting qubit induced by photon noise
P. Bertet, I. Chiorescu, G. Burkard +4
We have studied the dephasing of a superconducting flux-qubit coupled to a DC-SQUID based oscillator. By varying the bias conditions of both circuits we were able to tune their eff…
Efficient evaluation of decoherence rates in complex Josephson circuits
David P. DiVincenzo, Frederico Brito, Roger H. Koch
A complete analysis of the decoherence properties of a Josephson junction qubit is presented. The qubit is of the flux type and consists of two large loops forming a gradiometer an…
Detecting entanglement using a double quantum dot turnstile
M. Blaauboer, D. P. DiVincenzo
We propose a scheme based on using the singlet ground state of an electron spin pair in a double quantum dot nanostructure as a suitable set-up for detecting entanglement between e…
Relaxation and Dephasing in a Flux-qubit
P. Bertet, I. Chiorescu, G. Burkard +4
We report detailed measurements of the relaxation and dephasing time in a flux-qubit measured by a switching DC SQUID. We studied their dependence on the two important circuit bias…
Determination of the tunnel rates through a few-electron quantum dot
R. Hanson, I. T. Vink, D. P. DiVincenzo +4
We demonstrate how rate equations can be employed to find analytical expressions for the sequential tunneling current through a quantum dot as a function of the tunnel rates, for a…