Physical Properties of Nanometer-Scale Magnets
AbstractContemporary needs for increasing information storage and high density magnetic recording have stimulated new research in mesoscopic magnetism. In analogy to semiconductor physics, the process...
View ArticleOptical Manipulation, Transport and Storage of Spin Coherence in Semiconductors
AbstractThe drive to build a framework for coherent semiconductor spintronic devices provides a strong motivation for understanding the coherent evolution of spin states in semiconductors [1,2]. The...
View ArticleOptoelectronic Manipulation of Spin in Semiconductors
AbstractIn contrast to metals, an additional degree of freedom afforded by semiconductor spintronics allows direct optical access to electronic and nuclear spin states. During the last few years,...
View ArticleEngineering and quantum control of single spins in semiconductors
AbstractThe nitrogen-vacancy (NV) center in diamond offers the opportunity to develop quantum technologies that leverage the defect’s atom-like properties using established engineering techniques from...
View ArticleQuantum computing with defects
AbstractThe successful development of quantum computers is dependent on identifying quantum systems to function as qubits. Paramagnetic states of point defects in semiconductors or insulators have been...
View ArticleDesigning defect spins for wafer-scale quantum technologies
AbstractThe past decade has seen remarkable progress in the development of the nitrogen-vacancy (NV) defect center in diamond, which is one of the leading candidates for quantum information...
View ArticleSpins charge ahead
The spin of the nitrogen–vacancy centre in diamond is a powerful resource for quantum control. However, control over its charge state lags far behind. Appropriating electrical gating techniques used in...
View ArticleNanomechanical coupling between microwave and optical photons
A nanomechanical interface between optical photons and microwave electrical signals is now demonstrated. Coherent transfer between microwave and optical fields is achieved by parametric electro-optical...
View ArticleIsolated electron spins in silicon carbide with millisecond coherence times
Optically detected magnetic resonance experiments show that single spins having a coherence time on the millisecond scale can be isolated in divacancy defects in silicon carbide at low temperature.
View ArticleOptical manipulation of the Berry phase in a solid-state spin qubit
AbstractPhase relations between quantum states represent a resource for storing and processing quantum information. Although quantum phases are commonly controlled dynamically by tuning energetic...
View ArticleQuantum decoherence dynamics of divacancy spins in silicon carbide
AbstractLong coherence times are key to the performance of quantum bits (qubits). Here, we experimentally and theoretically show that the Hahn-echo coherence time of electron spins associated with...
View ArticleAccelerated quantum control using superadiabatic dynamics in a solid-state...
Adiabatic processes are useful in quantum control, but they are slow. A way around this is to exploit shortcuts to adiabaticity, which can speed things up — for instance, by boosting stimulated Raman...
View ArticleLong-range spin wave mediated control of defect qubits in nanodiamonds
AbstractHybrid architectures that combine nitrogen-vacancy centers in diamond with other materials and physical systems have been proposed to enhance the nitrogen-vacancy center’s capabilities in many...
View ArticleHelicity dependent photocurrent in electrically gated (Bi1−x Sb x )2Te3 thin...
AbstractCircularly polarized photons are known to generate a directional helicity-dependent photocurrent in three-dimensional topological insulators at room temperature. Surprisingly, the phenomenon is...
View ArticleOptical charge state control of spin defects in 4H-SiC
AbstractDefects in silicon carbide (SiC) have emerged as a favorable platform for optically active spin-based quantum technologies. Spin qubits exist in specific charge states of these defects, where...
View ArticleQuantum technologies with optically interfaced solid-state spins
AbstractSpins of impurities in solids provide a unique architecture to realize quantum technologies. A quantum register of electron and nearby nuclear spins in the lattice encompasses high-fidelity...
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