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A scalable quantum information processing architecture based on silicon metal-oxide-semiconductor technology is presented, combining quantum hardware elements from planar and 3D silicon-on-insulator technologies. This architecture is…

Quantum Physics · Physics 2022-08-22 Michael A. Fogarty

The small size and excellent integrability of silicon metal-oxide-semiconductor (SiMOS) quantum dot spin qubits make them an attractive system for mass-manufacturable, scaled-up quantum processors. Furthermore, classical control electronics…

Under appropriate conditions, superconducting electronic circuits behave quantum mechanically, with properties that can be designed and controlled at will. We have realized an experiment in which a superconducting two-level system, playing…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 A. Wallraff , D. I. Schuster , A. Blais , L. Frunzio , R. -S. Huang , J. Majer , S. Kumar , S. M. Girvin , R. J. Schoelkopf

Silicon Dangling Bonds have established themselves as a promising competitor in the field of beyond-CMOS technologies. Their integration density and potential for energy dissipation advantages of several orders of magnitude over…

Applied Physics · Physics 2023-03-08 Jan Drewniok , Marcel Walter , Samuel Sze Hang Ng , Konrad Walus , Robert Wille

Superconducting circuits based on Josephson junctions exhibit macroscopic quantum coherence and can behave like artificial atoms. Recent technological advances have made it possible to implement atomic-physics and quantum-optics experiments…

Quantum Physics · Physics 2015-06-04 J. Q. You , Franco Nori

Solid-state devices can be fabricated at the atomic scale, with applications ranging from classical logic to current standards and quantum technologies. While it is very desirable to probe these devices and the quantum states they host at…

Mesoscale and Nanoscale Physics · Physics 2020-06-23 Kevin S. H. Ng , Benoit Voisin , Brett C. Johnson , Jeffrey C. McCallum , Joe Salfi , Sven Rogge

Quantum dots are nanostructures made of semiconducting materials that are engineered to hold a small amount of electric charge (a few electrons) that is controlled by external gate and may hence be considered as tunable artificial atoms. A…

Strongly Correlated Electrons · Physics 2019-01-07 Rok Zitko

Electronic coupling and hence hybridization of atoms serve as the basis for the rich properties of the endless library of naturally occurring molecules. Colloidal quantum dots (CQDs) manifesting quantum strong confinement, possess atomic…

Mesoscale and Nanoscale Physics · Physics 2021-03-09 Somnath Koley , Jiabin Cui , Yossef E. Panfil , Uri Banin

There remains wide interest in solar cells being made using inexpensive materials and simple device manufacturing techniques to harvest ever-increasing amounts of energy. New semiconductor materials and new quantum nanostructures are…

Signal Processing · Electrical Eng. & Systems 2022-11-15 Husien Salama

Surface defects created and probed with scanning tunneling microscopes are a promising platform for atomic-scale electronics and quantum information technology applications. Using first-principles calculations we demonstrate how to engineer…

Materials Science · Physics 2017-08-02 Peter Scherpelz , Giulia Galli

The electronic properties of nanoscale quantum dots are reviewed. The similarities and differences between these `artificial atoms' and real atoms are discussed and, in particular, the effect of electron correlations is examined. It is…

Mesoscale and Nanoscale Physics · Physics 2008-02-03 John H. Jefferson , Wolfgang Häusler

Superconducting circuits can behave like atoms making transitions between two levels. Such circuits can test quantum mechanics at macroscopic scales and be used to conduct atomic-physics experiments on a silicon chip.

Quantum Physics · Physics 2009-11-13 J. Q. You , Franco Nori

Self-assembled semiconductor quantum dot is a new type of artificially designed and grown function material which exhibits quantum size effect, quantum interference effect, surface effect, quantum tunneling-Coulumb-blockade effect and…

Mesoscale and Nanoscale Physics · Physics 2007-12-07 Jie Sun , Peng Jin , Zhanguo Wang

Halogen monolayer on a silicon surface is attracting active attention for applications in electronic device fabrication with individual impurities. To create a halogen mask for the impurities incorporation, it is desirable to be able to…

Materials Science · Physics 2022-04-20 T. V. Pavlova , V. M. Shevlyuga , B. V. Andryushechkin , K. N. Eltsov

Coupled semiconductor quantum dots form artificial molecules where relevant energy scales controlling the interacting ground state can be easily tuned. By applying an external magnetic field it is possible to drive the system from a weak to…

Mesoscale and Nanoscale Physics · Physics 2009-07-22 Massimo Rontani , Guido Goldoni , Elisa Molinari

We propose a quantum computer structure based on coupled asymmetric single-electron quantum dots. Adjacent dots are strongly coupled by means of electric dipole-dipole interactions enabling rapid computation rates. Further, the asymmetric…

Quantum Physics · Physics 2009-10-31 G. D. Sanders , K. W. Kim , W. C. Holton

Artificial lattices created by assembling atoms on a surface with scanning tunneling microscopy present a platform to create matter with tailored electronic, magnetic and topological properties. However, such artificial lattices studies to…

Mesoscale and Nanoscale Physics · Physics 2021-06-29 Wouter Jolie , Tzu-Chao Hung , Lorena Niggli , Benjamin Verlhac , Nadine Hauptmann , Daniel Wegner , Alexander Ako Khajetoorians

In the near future the era of Beyond CMOS will start as the scaling of the current CMOS technology will reach the fundamental limit. QCA (Quantum-dot Cellular Automata) is the transistor less computation paradigm and viable candidate for…

Emerging Technologies · Computer Science 2017-11-23 Usha Mehta , Vaishali Dhare

Silicon-oxygen compounds are among the most important ones in the natural sciences, occurring as building blocks in minerals and being used in semiconductors and catalysis. Beyond the well known silicon dioxide, there are phases with…

Materials Science · Physics 2025-04-16 Linus C. Erhard , Jochen Rohrer , Karsten Albe , Volker L. Deringer

We propose and analyze an optically loaded quantum memory exploiting capacitive coupling between self-assembled quantum dot molecules and electrically gated quantum dot molecules. The self-assembled dots are used for spin-photon…