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Related papers: Quantum Computing with Acceptor Spins in Silicon

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Electron spin qubits in semiconductors are attractive from the viewpoint of long coherence times. However, single spin measurement is challenging. Several promising schemes incorporate ancillary tunnel couplings that may provide unwanted…

Materials Science · Physics 2009-11-10 Mark Friesen , Charles Tahan , Robert Joynt , M. A. Eriksson

We present the first findings of the spin transistor effect in the Rashba gate-controlled ring embedded in the p-type self-assembled silicon quantum well that is prepared on the n-type Si (100) surface. The coherence and phase sensitivity…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 N. T. Bagraev , N. G. Galkin , W. Gehlhoff , L. E. Klyachkin , A. M. Malyarenko , I. A. Shelykh

Optically addressable electronic spins in polyatomic molecules are a promising platform for quantum information science with the potential to enable scalable qubit design and integration through atomistic tunability and nanoscale…

A single hole spin in a semiconductor quantum dot has emerged as a quantum bit that is potentially superior to an electron spin. A key feature of holes is that they have a greatly reduced hyperfine interaction with nuclear spins, which is…

Mesoscale and Nanoscale Physics · Physics 2011-11-14 Alex Greilich , Samuel G. Carter , Danny Kim , Allan S. Bracker , Daniel Gammon

Quantum information, encoded within the states of quantum systems, represents a novel and rich form of information which has inspired new types of computers and communications systems. Many diverse electron spin systems have been studied…

Quantum Physics · Physics 2019-06-06 John J. L. Morton , Patrice Bertet

Electrically addressing spin systems is predicted to be a key component in developing scalable semiconductor-based quantum processing architectures, to enable fast spin qubit manipulation and long-distance entanglement via microwave…

Mesoscale and Nanoscale Physics · Physics 2022-11-09 Edyta N. Osika , Sacha Kocsis , Yu-Ling Hsueh , Serajum Monir , Cassandra Chua , Hubert Lam , Benoit Voisin , Sven Rogge , Rajib Rahman

Spins of donor electrons and nuclei in silicon are promising quantum bit (qubit) candidates which combine long coherence times with the fabrication finesse of the silicon nanotechnology industry. We outline a potentially scalable spin qubit…

Mesoscale and Nanoscale Physics · Physics 2021-07-27 T. Schenkel , C. C. Lo , C. D. Weis , J. Bokor , A. M. Tyryshkin , S. A. Lyon

We study the exchange interaction between two hole-spin qubits in a double quantum dot setup in a silicon nanowire in the presence of magnetic and electric fields. Based on symmetry arguments we show that there exists an effective spin that…

Mesoscale and Nanoscale Physics · Physics 2020-07-10 Bence Hetényi , Christoph Kloeffel , Daniel Loss

Influence of resonant oscillating electromagnetic field on a single electron in coupled lateral quantum dots in the presence of phonon-induced relaxation and decoherence is investigated. Using symmetry arguments it is shown that spin and…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Peter Stano , Jaroslav Fabian

Spins confined in quantum dots are a leading candidate for solid-state quantum bits that can be coherently controlled by optical pulses. There are, however, many challenges to developing a scalable multibit information processing device…

Mesoscale and Nanoscale Physics · Physics 2012-09-26 Sophia E. Economou , Juan I. Climente , Antonio Badolato , Allan S. Bracker , Daniel Gammon , Matthew F. Doty

Interfacing photonic and solid-state qubits within a hybrid quantum architecture offers a promising route towards large scale distributed quantum computing. Ideal candidates for coherent qubit interconversion are optically active spins…

Quantum Physics · Physics 2013-04-17 S. Probst , H. Rotzinger , S. Wünsch , P. Jung , M. Jerger , M. Siegel , A. V. Ustinov , P. A. Bushev

We review progress on the use of electron spins to store and process quantum information, with particular focus on the ability of the electron spin to interact with multiple quantum degrees of freedom. We examine the benefits of hybrid…

Quantum Physics · Physics 2011-03-03 John J. L. Morton , Brendon W. Lovett

Superconducting spin qubits, also known as Andreev spin qubits, promise to combine the benefits of superconducting qubits and spin qubits defined in quantum dots. While most approaches to control these qubits rely on controlling the spin…

Mesoscale and Nanoscale Physics · Physics 2022-09-14 Maria Spethmann , Xian-Peng Zhang , Jelena Klinovaja , Daniel Loss

Efficient scaling and flexible control are key aspects of useful quantum computing hardware. Spins in semiconductors combine quantum information processing with electrons, holes or nuclei, control with electric or magnetic fields, and…

Manipulation of single spins is essential for spin-based quantum information processing. Electrical control instead of magnetic control is particularly appealing for this purpose, since electric fields are easy to generate locally on-chip.…

Mesoscale and Nanoscale Physics · Physics 2008-03-10 K. C. Nowack , F. H. L. Koppens , Yu. V. Nazarov , L. M. K. Vandersypen

The design of scalable quantum computers will benefit from predictive models for qubit performance that consider the design and layout of the qubit devices. This approach, has recently been adopted for superconducting qubits, but has…

Mesoscale and Nanoscale Physics · Physics 2022-09-27 A Ciocoiu , M Khalifa , J Salfi

Charged quantum dots containing an electron or hole spin are bright solid-state qubits suitable for quantum networks and distributed quantum computing. Incorporating such quantum dot spin into a photonic crystal cavity creates a strong…

Spin qubits in silicon and germanium quantum dots are promising platforms for quantum computing, but entangling spin qubits over micrometer distances remains a critical challenge. Current prototypical architectures maximize transversal…

Mesoscale and Nanoscale Physics · Physics 2022-08-08 Stefano Bosco , Pasquale Scarlino , Jelena Klinovaja , Daniel Loss

Spin-based quantum computation (QC) in the solid state is considered to be one of the most promising approaches to scalable quantum computers. However, it faces problems such as initializing the spins, selectively addressing and…

Instrumentation and Detectors · Physics 2015-06-15 Aharon Blank , Ekaterina Dikarov , Roman Shklyar , Ygal Twig

There is growing interest in bismuth-doped silicon (Si:Bi) as an alternative to the well-studied proposals for silicon based quantum information processing (QIP) using phosphorus-doped silicon (Si:P). We focus here on the implications of…

Quantum Physics · Physics 2012-07-05 M. H. Mohammady , G. W. Morley , A. Nazir , T. S. Monteiro
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