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Gate-defined semiconductor quantum dots require an appropriate number of electrons to function as qubits. The number of electrons is usually tuned by analyzing charge stability diagrams, in which charge transitions manifest as edges.…

Mesoscale and Nanoscale Physics · Physics 2025-08-13 Fabian Hader , Fabian Fuchs , Sarah Fleitmann , Karin Havemann , Benedikt Scherer , Jan Vogelbruch , Lotte Geck , Stefan van Waasen

Recent progress in building large-scale quantum devices for exploring quantum computing and simulation paradigms has relied upon effective tools for achieving and maintaining good experimental parameters, i.e. tuning up devices. In many…

This study presents a machine-learning-based procedure to automate the charge tuning of semiconductor spin qubits with minimal human intervention, addressing one of the significant challenges in scaling up quantum dot technologies. This…

A key challenge in scaling quantum computers is the calibration and control of multiple qubits. In solid-state quantum dots, the gate voltages required to stabilize quantized charges are unique for each individual qubit, resulting in a…

Quantum dots must be tuned precisely to provide a suitable basis for quantum computation. A scalable platform for quantum computing can only be achieved by fully automating the tuning process. One crucial step is to trap the appropriate…

Mesoscale and Nanoscale Physics · Physics 2025-08-12 Fabian Hader , Sarah Fleitmann , Jan Vogelbruch , Lotte Geck , Stefan van Waasen

Tuning of gate-defined semiconductor quantum dots (QDs) is a major bottleneck for scaling spin qubit technologies. We present a deep learning (DL) driven, semantic-segmentation pipeline that performs charge auto-tuning by locating…

Mesoscale and Nanoscale Physics · Physics 2026-04-16 Peter Samaha , Amine Torki , Ysaline Renaud , Sam Fiette , Emmanuel Chanrion , Pierre-Andre Mortemousque , Yann Beilliard

A semiconductor quintuple quantum dot with two charge sensors and an additional contact to the center dot from an electron reservoir is fabricated to demonstrate the concept of scalable architecture. This design enables formation of the…

Quantum dots are considered building blocks for future quantum information circuits. We present here experimental results on a quantum dot circuit consisting of three quantum dots with controlled electron numbers down to one per dot and…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Louis Gaudreau , Sergei Studenikin , Andy Sachrajda , Piotr Zawadzki , Alicia Kam , Jean Lapointe , Marek Korkusinski , Pawel Hawrylak

We present the full three dimensionality of an electrostatically calculated stability diagram for triple quantum dots. The stability diagram maps out the favored charge configuration of the system as a function of potential shifts due to…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 M. C. Rogge , R. J. Haug

We present QDarts, an efficient simulator for realistic charge stability diagrams of quantum dot array (QDA) devices in equilibrium states. It allows for pinpointing the location of concrete charge states and their transitions in a…

Mesoscale and Nanoscale Physics · Physics 2025-01-15 Jan A. Krzywda , Weikun Liu , Evert van Nieuwenburg , Oswin Krause

Transformer-based architectures have become the de-facto standard models for a wide range of Natural Language Processing tasks. However, their memory footprint and high latency are prohibitive for efficient deployment and inference on…

Machine Learning · Computer Science 2021-09-28 Yelysei Bondarenko , Markus Nagel , Tijmen Blankevoort

Spin-based semiconductor qubits hold promise for scalable quantum computing, yet they require reliable autonomous calibration procedures. This study presents an experimental demonstration of online single-dot charge autotuning using a…

There has been a recent surge in transformer-based architectures for learning on graphs, mainly motivated by attention as an effective learning mechanism and the desire to supersede handcrafted operators characteristic of message passing…

Machine Learning · Computer Science 2025-06-10 David Buterez , Jon Paul Janet , Dino Oglic , Pietro Lio

In this study, we address challenges in designing quantum information processors based on electron spin qubits in electrostatically-defined quantum dots (QDs). Numerical calculations of charge stability diagrams are presented for a…

Mesoscale and Nanoscale Physics · Physics 2024-02-26 Zach D. Merino , Bohdan Khromets , Jonathan Baugh

As with any quantum computing platform, semiconductor quantum dot devices require sophisticated hardware and controls for operation. The increasing complexity of quantum dot devices necessitates the advancement of automated control software…

Mesoscale and Nanoscale Physics · Physics 2019-09-11 A. R. Mills , M. M. Feldman , C. Monical , P. J. Lewis , K. W. Larson , A. M. Mounce , J. R. Petta

In recent years, interest in vision-language tasks has grown, especially those involving chart interactions. These tasks are inherently multimodal, requiring models to process chart images, accompanying text, underlying data tables, and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Mirna Al-Shetairy , Hanan Hindy , Dina Khattab , Mostafa M. Aref

We propose 3DETR, an end-to-end Transformer based object detection model for 3D point clouds. Compared to existing detection methods that employ a number of 3D-specific inductive biases, 3DETR requires minimal modifications to the vanilla…

Computer Vision and Pattern Recognition · Computer Science 2021-09-17 Ishan Misra , Rohit Girdhar , Armand Joulin

Reliable detection and quantification of quantum entanglement, particularly in high-spin or many-body systems, present significant computational challenges for traditional methods. This study examines the effectiveness of ensemble machine…

Quantum Physics · Physics 2025-07-18 M. Y. Abd-Rabbou , Amr M. Abdallah , Ahmed A. Zahia , Ashraf A. Gouda , Cong-Feng Qiao

Determining whether a program terminates is a core challenge in program analysis with direct implications for correctness, verification, and security. We investigate whether transformer architectures can recognise termination patterns…

Programming Languages · Computer Science 2026-04-02 Yoav Alon , Cristina David

In this work, quantum transformers are designed and analysed in detail by extending the state-of-the-art classical transformer neural network architectures known to be very performant in natural language processing and image analysis.…

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