113 citations · 286 across the 15 of their papers we have counts for
15 papers
QDFlow: A Python package for physics simulations of quantum dot devices
Donovan L. Buterakos, Sandesh S. Kalantre, Joshua Ziegler +2
Recent advances in machine learning (ML) have accelerated progress in calibrating and operating quantum dot (QD) devices. However, most ML approaches rely on access to large, repre…
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…
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,…
Magnetic Phases of Bilayer Quantum-Dot Hubbard Model Plaquettes
Donovan Buterakos, Sankar Das Sarma
It has been demonstrated that small plaquettes of quantum dot spin qubits are capable of simulating condensed matter phenomena which arise from the Hubbard model, such as the colle…
Certain exact many-body results for Hubbard model ground states testable in small quantum dot arrays
Donovan Buterakos, Sankar Das Sarma
We present several interesting phenomena related to flatband ferromagnetism in the Hubbard model. The first is a mathematical theorem stating certain conditions under which a flatb…
Spin-Valley Qubit Dynamics In Exchange Coupled Silicon Quantum Dots
Donovan Buterakos, Sankar Das Sarma
The presence of valley states is a significant obstacle to realizing quantum information technologies in Silicon quantum dots, as leakage into alternate valley states can introduce…
Presence versus absence of Two-Dimensional Fermi Surface Anomalies
Donovan Buterakos, DinhDuy Vu, Jiabin Yu +1
We theoretically consider Fermi surface anomalies manifesting in the temperature dependent quasiparticle properties of two-dimensional (2D) interacting electron systems, comparing…
Exact analytical treatment of multiqubit noisy dynamics in exchange-coupled semiconductor spin qubits
Donovan Buterakos, Sankar Das Sarma
Charge noise remains the primary obstacle to the development of quantum information technologies with semiconductor spin qubits. We use an exact analytical calculation to determine…
Geometrical Formalism for Dynamically Corrected Gates in Multiqubit Systems
Donovan Buterakos, Sankar Das Sarma, Edwin Barnes
The ability to perform gates in multiqubit systems that are robust to noise is of crucial importance for the advancement of quantum information technologies. However, finding contr…
The two-dimensional electron self-energy: Long-range Coulomb interaction
Yunxiang Liao, Donovan Buterakos, Mike Schecter +1
The electron self-energy for long-range Coulomb interactions plays a crucial role in understanding the many-body physics of interacting electron systems (e.g. in metals and semicon…
Coupled electron-impurity and electron-phonon systems as trivial non-Fermi liquids
Donovan Buterakos, Sankar Das Sarma
We consider an electron gas, both in two (2D) and three (3D) dimensions, interacting with quenched impurities and phonons within leading order finite-temperature many body perturba…
Ferromagnetism in Quantum Dot Plaquettes
Donovan Buterakos, Sankar Das Sarma
Following the recent claimed obsevation of Nagaoka ferromagnetism in finite size quantum dot plaquettes, a general theoretical analysis is warranted in order to ascertain in rather…
Error correction for gate operations in systems of exchange-coupled singlet-triplet qubits in double quantum dots
Donovan Buterakos, Robert E. Throckmorton, S. Das Sarma
We present a scheme for correcting for crosstalk- and noise-induced errors in exchange-coupled singlet-triplet semiconductor double quantum dot qubits. While exchange coupling allo…
Crosstalk error correction through dynamical decoupling of single-qubit gates in capacitively coupled singlet-triplet semiconductor spin qubits
Donovan Buterakos, Robert E. Throckmorton, S. Das Sarma
In addition to magnetic field and electric charge noise adversely affecting spin qubit operations, performing single-qubit gates on one of multiple coupled singlet-triplet qubits p…
Deterministic generation of all-photonic quantum repeaters from solid-state emitters
Donovan Buterakos, Edwin Barnes, Sophia E. Economou
Quantum repeaters are nodes in a quantum communication network that allow reliable transmission of entanglement over large distances. It was recently shown that highly entangled ph…