392 citations · 923 across the 20 of their papers we have counts for
19 papers
Balancing Expressivity and Overfitting in Quantum Gaussian Process Regression
Saasha Joshi, Udson C. Mendes, Luke C. G. Govia
Active learning is a paradigm of machine learning that can be utilized to model expensive black-box functions by training a surrogate model from actively queried training points. T…
Comparing Algorithms for Loading Classical Datasets into Quantum Memory
Andriy Miranskyy, Mushahid Khan, Udson Mendes
Quantum computers are gaining importance in various applications like quantum machine learning and quantum signal processing. These applications face significant challenges in load…
Quantum Computing for Software Engineering: Prospects
Andriy Miranskyy, Mushahid Khan, Jean Paul Latyr Faye +1
Quantum computers (QCs) are maturing. When QCs are powerful enough, they may be able to handle problems in chemistry, physics, and finance that are not classically solvable. Howeve…
Gate-based Quantum Computing for Protein Design
Mohammad Hassan Khatami, Udson C. Mendes, Nathan Wiebe +1
Protein design is a technique to engineer proteins by modifying their sequence to obtain novel functionalities. In this method, amino acids in the sequence are permutated to find t…
EP-PQM: Efficient Parametric Probabilistic Quantum Memory with Fewer Qubits and Gates
Mushahid Khan, Jean Paul Latyr Faye, Udson C. Mendes +1
Machine learning (ML) classification tasks can be carried out on a quantum computer (QC) using Probabilistic Quantum Memory (PQM) and its extension, Parameteric PQM (P-PQM) by calc…
Quantum Otto Thermal Machines Powered by Kerr Nonlinearity
Udson C. Mendes, José S. Sales, Norton G. de Almeida
We study the effect of Kerr nonlinearity in quantum thermal machines having a Kerr-nonlinear oscillator as working substance and operating under the ideal quantum Otto cycle. We fi…
Topological Josephson Bifurcation Amplifier: Semiclassical theory
Samuel Boutin, Pedro L. S. Lopes, Anqi Mu +2
Amplifiers based on Josephson junctions allow for a fast and noninvasive readout of superconducting qubits. Motivated by the ongoing progress toward the realization of fault-tolera…
Two-level quantum Otto heat engine operating with unit efficiency far from the quasi-static regime under a squeezed reservoir
Rogério J. de Assis, J. S. Sales, Udson C. Mendes +1
Recent theoretical and experimental studies in quantum heat engines show that, in the quasi-static regime, it is possible to have higher efficiency than the limit imposed by Carnot…
Microwave signatures of and fractional Josephson effects
Pedro L. S. Lopes, Samuel Boutin, Philippe Karan +2
We present a many-body exact diagonalization study of the and Josephson effects in circuit quantum electrodynamics architectures. Numerical simulation…
Coherent microwave photon mediated coupling between a semiconductor and a superconductor qubit
P. Scarlino, D. J. van Woerkom, U. C. Mendes +10
Semiconductor qubits rely on the control of charge and spin degrees of freedom of electrons or holes confined in quantum dots (QDs). They constitute a promising approach to quantum…
Parametric amplification and squeezing with an ac- and dc-voltage biased superconducting junction
Udson C. Mendes, Sébastien Jezouin, Philippe Joyez +5
We theoretically investigate a near-quantum-limited parametric amplifier based on the nonlinear dynamics of quasiparticles flowing through a superconducting-insulator-superconducti…
Strong spin-photon coupling in silicon
N. Samkharadze, G. Zheng, N. Kalhor +6
We report the strong coupling of a single electron spin and a single microwave photon. The electron spin is trapped in a silicon double quantum dot and the microwave photon is stor…
Coherent spin-qubit photon coupling
A. J. Landig, J. V. Koski, P. Scarlino +7
Electron spins hold great promise for quantum computation due to their long coherence times. An approach to realize interactions between distant spin-qubits is to use photons as ca…
Electron-photon interaction in a quantum point contact coupled to a microwave resonator
Udson C. Mendes, Christophe Mora
We study a single-mode cavity weakly coupled to a voltage-biased quantum point contact. In a perturbative analysis, the lowest order predicts a thermal state for the cavity photons…
Optically controlled spin-polarization memory effect on Mn delta-doped heterostrucutres
M. A. G. Balanta, M. J. S. P. Brasil, F. Iikawa +6
We investigated the dynamics of the interaction between spin-polarized photo-created carriers and Mn ions on InGaAs/GaAs:Mn structures. The carriers are confined in an InGaAs quant…
Electronic and optical properties of InGaAs quantum wells with Mn-delta-doping GaAs barriers
Udson C. Mendes, M. A. G. Balanta, Maria J. S. P. Brasil +1
We present here the electronic structure and optical properties of InGaAs quantum wells with barrier doped with Manganese. We calculated the electronic states and optical emission…
Cavity squeezing by a quantum conductor
Udson C. Mendes, Christophe Mora
Hybrid architectures integrating mesoscopic electronic conductors with resonant microwave cavities have a great potential for investigating unexplored regimes of electron-photon co…
Electron-electron interaction mediated indirect coupling of electron and magnetic ion or nuclear spins in self-assembled quantum dots
Udson C. Mendes, Marek Korkusinski, Pawel Hawrylak
We show here the existence of the indirect coupling of electron and magnetic or nuclear ion spins in self-assembled quantum dots mediated by electron-electron interactions. With a…
Optical properties of charged quantum dots doped with a single magnetic impurity
U. C. Mendes, M. Korkusinski, A. H. Trojnar +1
We present a microscopic theory of the optical properties of self-assembled quantum dots doped with a single magnetic manganese (Mn) impurity and containing a controlled number of…