IEEE Transactions on Quantum Engineering

Rapid Autotuning of a SiGe Quantum Dot Into the Single-Electron Regime With Machine Learning and RF-Reflectometry FPGA-Based Measurements

March 4, 2026Marc-Antoine Roux, Joffrey Rivard, Victor Yon, Alexis Morel, Dominic Leclerc, Claude Rohrbacher, El Bachir Ndiaye, Felice Francesco Tafuri, Brendan Bono, Stefan Kubicek, Roger Loo, Yosuke Shimura, Julien Jussot, Clément Godfrin, Danny Wan, Kristiaan De Greve, Marc-André Tétrault, Dominique Drouin, Christian Lupien, Michel Pioro-Ladrière, Eva Dupont-FerrierQuantum ComputingCircuit stability, Field programmable gate arrays, Logic gates, Quantum dots, Semiconductor device measurement, Silicon germanium, Time measurement, Tuning, Velocity measurement, Voltage measurement

Abstract: Spin qubits need to operate within a very precise voltage space around charge state transitions to achieve high-fidelity gates. However, the stability diagrams that allow the identification of the desired charge states are long to acquire. Moreover, the voltage space to search for the desired charge state increases quickly with the number of qubits. […]

Measurement-Informed Safe Reinforcement Learning for Quantum Battery Charging via Harmonic-Syndrome Diagnostics and BMS Constraints

March 3, 2026Sangkeum Lee, Beomdo Park, Junseong Park, Hyeonseok Jang, Hoon Jeong, Taewook HeoQuantum ComputingBatteries, Battery charge measurement, Couplings, Feature extraction, Hardware, Harmonic analysis, Pipelines, Protocols, Reinforcement learning, Safety

Abstract: Quantum batteries promise ultrafast energy storage but are highly sensitive to noise, drift, and hardware constraints, making safe high-performance charging a central challenge for noisy intermediate-scale quantum devices. We propose a measurement-informed safe control framework that couples harmonic-spectrum-based syndrome diagnostics—H2/H1, H3/H1, and frequency drift—with a battery management system (BMS)-constrained curriculum reinforcement learning (RL) policy. […]

Orthogonal Frequency-Division Multiplexing Continuous-Variable Terahertz QKD for Large-Scale Wireless Quantum Communication

March 2, 2026Mingqi Zhang, Kaveh DelfanazariQuantum InternetFast Fourier transforms, Frequency modulation, Hardware, Noise, OFDM, Protocols, Security, Terahertz communications, Terahertz radiation, Wireless communication

Abstract: In this article, we introduce a continuous-variable quantum key distribution (CVQKD) protocol that combines orthogonal frequency-division multiplexing with terahertz (THz) carriers to deliver high-throughput and hardware-compatible quantum communication. By distributing quantum states across multiple subcarriers, our approach achieves a noticeable increase in spectral efficiency while mitigating dispersion and atmospheric losses that limit the performance […]

Encoder Circuit Optimization for Nonbinary Quantum Error Correction Codes in Prime Dimensions: An Algorithmic Framework

March 2, 2026Aditya Sodhani, Keshab K. ParhiQuantum InformationCodes, Encoding, Galois fields, Hardware, Hilbert space, Logic gates, Quantum system, Qubit, Urban areas, Vectors

Abstract: Quantum computers are a revolutionary class of computational platforms with applications in combinatorial and global optimization, machine learning, and other domains involving computationally hard problems. While these machines typically operate on qubits—quantum information elements that can occupy superpositions of the basis |0⟩ and |1⟩ states—recent advances have demonstrated the practical implementation of higher dimensional […]

Parameter Analysis and Optimization of Layer Fidelity for Quantum Processor Benchmarking at Scale

February 26, 2026Maria Jose Lozano Palacio, Hasan Nayfeh, Matthew Ware, David C. McKayQuantum ComputingBenchmark testing, Cost function, Crosstalk, Logic gates, Monitoring, Object recognition, Performance evaluation, Protocols, Qubit, Stability analysis

Abstract: With the continued scaling of quantum processors, holistic benchmarks are essential for extensively evaluating device performance. Layer fidelity is a benchmark well-suited to assessing processor performance at scale. Key advantages of this benchmark include its natural alignment with randomized benchmarking (RB) procedures, crosstalk awareness, fast measurements over large numbers of qubits, high signal-to-noise ratio, […]

A Low Noise Signal Read-Out Circuit for Integrated Quantum Diamond Magnetometers

February 23, 2026Zhenlin Zhang, Wenzhe Zhang, Enrui Zhang, Xi QinQuantum Sensing & Metrology1/f noise, Diamond, Field programmable gate arrays, Laser noise, Magnetometers, Microwave filters, Noise, Noise cancellation, Power demand, Power lasers

Abstract: A customized low-noise signal read-out circuit, which is designed for the implementation of the integrated low power consumption quantum magnetometers based on nitrogen-vacancy centers in diamond, is reported in this article. As the circuit has a 3.7 pA/Hz1/2 low-input noise which is superior to the latest studies, the integrated quantum diamond magnetometer can achieve […]

Accelerating the Max-Cut problems via distributed Ising machine solvers

February 23, 2026Xing-yu Wu, Yi-Xin Zhang, Chen-rui Fan, Chuan WangOpen AccessApproximation algorithms, Computational modeling, Distributed computing, Hardware, Optimization, Partitioning algorithms, Quantum computing, Qubit, Scalability, Stationary state

Abstract: The Ising machine, as a quantum-inspired computing system, can be used to efficiently solve combinatorial optimization problems. Ongoing studies have positioned it to potentially surpass the performance limitations of traditional computers. However, such Ising machines also suffer from scalability as the solution quality becomes sub-optimal when the problem size increases. In this work, we […]

Differential Phase Encoded Plug-and-Play Measurement-Device-Independent Quantum Key Distribution

February 16, 2026Nilesh Sharma, Shashank Kumar Ranu, Prabha Mandayam, Anil PrabhakarQuantum InformationDetectors, Encoding, Frequency modulation, Interference, Laser beams, Mirrors, Phase measurement, Protocols, Quantum key distribution, Security

Abstract: Measurement-device-independent quantum key distribution (MDI-QKD) enhances security by removing vulnerabilities associated with detector side channels. Real-world implementations ofMDI-QKD face practical challenges, such as channel asymmetry and physical imperfections, which degrade the visibility of Hong–Ou–Mandel interference, an essential factor in determining the secure key rate. In this work, we evaluate the performance of differential phase […]

Explaining Robust Quantum Metrology by Counting Codewords

February 13, 2026Oskar Novak, Narayanan RengaswamyQuantum Sensing & MetrologyCodes, Error correction, Magnetic field measurement, Magnetic fields, Metrology, Noise, Noise measurement, Probes, Sensors, Uncertainty

Abstract: Quantum sensing holds great promise for high-precision magnetic field measurements. However, its performance is significantly limited by noise. The investigation of active quantum error correction to address this noise led to the Hamiltonian-not-in-Lindblad-span (HNLS) condition. This states that the Heisenberg scaling is achievable if and only if the signal Hamiltonian is orthogonal to the […]

Parallel Variational Quantum Algorithms With Gradient-Informed Restart to Speed Up Optimization in the Presence of Barren Plateaus

February 10, 2026Daniel Mastropietro, Georgios Korpas, Vyacheslav Kungurtsev, Jakub MarecekQuantum SoftwareApproximation algorithms, Cost function, Markov processes, Neural networks, Noise, Noise measurement, Quantum algorithm, Quantum circuit, Quantum entanglement, Simulated annealing

Abstract: Inspired by the Fleming–Viot stochastic process, we propose a parallel implementation with restart of variational quantum algorithms, with the aim of reducing the time spent by the algorithm in barren plateaus where the optimization direction is unclear. In the Fleming–Viot tradition, parallel searches are called particles. In the proposed approach, the search by a […]

IEEE expects Journal Citation Reports(R) to begin to list TQE's Journal Impact Factor(R) in June 2025. In the meantime, those who are interested may refer to these TQE bilbiometics:

2023 CiteScore (from Scopus): 8.0

TQE is ranked in eight CiteScore categories:
- Engineering (miscellaneous), 25 of 204
(1st quartile)
- Computer Science (miscellaneous),
11 of 133 (1st quartile)
- Mechanical Engineering, 86 of 672
(1st quartile)
- Electrical and Electronic Engineering,
134 of 797 (1st quartile)
- Computer Science Applications, 161 of 817
(1st quartile)
- Condensed Matter Physics, 58 of 434
(1st quartile)
- Software, 82 of 407 (1st quartile)

Source Normalized Impact per Paper (SNIP, which measures contextual citation impact by weighting citations based on the total number of citations in a subject field): 1.507

SCImago Journal Rank (SJR, which is based on the concept of a transfer of prestige among journals via their citation links): 1.104

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