All-optical initialization, readout, and coherent preparation of single silicon-vacancy spins in diamond.
Lachlan J. Rogers,Kay D. Jahnke,Mathias H. Metsch,Alp Sipahigil,Jan M. Binder,Tokuyuki Teraji,Hitoshi Sumiya,Junichi Isoya,Mikhail D. Lukin,Philip R. Hemmer,Fedor Jelezko +10 more
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TLDR
The SiV- center is established as a solid-state spin-photon interface andHyperfine structure is observed in CPT measurements with the 29Si isotope which allows access to nuclear spin.Abstract:
The spin on a silicon defect in diamond can be prepared in a coherent quantum state, a promising sign that it could encode information in a quantum internet.read more
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Quantum technologies with optically interfaced solid-state spins
David D. Awschalom,David D. Awschalom,Ronald Hanson,Jörg Wrachtrup,Jörg Wrachtrup,Brian B. Zhou,Brian B. Zhou +6 more
TL;DR: In this article, the authors review recent progress in impurity systems such as colour centres in diamond and silicon carbide, rare-earth ions in solids and donors in silicon and project a possible path to chip-scale quantum technologies through sustained advances in nanofabrication, quantum control and materials engineering.
Journal ArticleDOI
Nature in London
TL;DR: In this paper, the authors describe the diversity of green spaces in London, the citizens' attitude toward these spaces, and what Russian cities can learn from this experience, based on the experience of London.
Journal ArticleDOI
An integrated diamond nanophotonics platform for quantum optical networks
Alp Sipahigil,Ruffin E. Evans,Denis D. Sukachev,Denis D. Sukachev,Michael J. Burek,Johannes Borregaard,Mihir K. Bhaskar,Christian Nguyen,Jose Pacheco,Haig A. Atikian,Charles Meuwly,Ryan M. Camacho,Fedor Jelezko,Edward S. Bielejec,Hongkun Park,Marko Loncar,M. D. Lukin +16 more
TL;DR: In this article, the authors demonstrate an integrated platform for scalable quantum nanophotonics based on silicon-vacancy (SiV) color centers coupled to diamond nanodevices.
Journal ArticleDOI
Material platforms for spin-based photonic quantum technologies
TL;DR: In this paper, the authors highlight the progress in three leading material platforms: diamond, silicon carbide and atomically thin semiconductors, with a focus on applications in quantum networks.
Journal Article
An integrated diamond nanophotonics platform for quantum optical networks
Mihir K. Bhaskar,Alp Sipahigil,Ruffin E. Evans,Denis D. Sukachev,Christian Nguyen,Michael J. Burek,Bartholomeus Machielse,Johannes Borregaard,Haig A. Atikian,Charles Meuwly,Lachlan J. Rogers,Petr Siyushev,Mathias H. Metsch,Jose Pacheco,Ryan M. Camacho,Edward S. Bielejec,Fedor Jelezko,Hongkun Park,Marko Loncar,Mikhail D. Lukin +19 more
TL;DR: An integrated platform for scalable quantum nanophotonics based on silicon-vacancy color centers coupled to diamond nanodevices is demonstrated and a quantum interference effect resulting from the superradiant emission of two entangled SiV centers is observed.
References
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The quantum internet
TL;DR: In this paper, the authors proposed a method for quantum interconnects, which convert quantum states from one physical system to those of another in a reversible manner, allowing the distribution of entanglement across the network and teleportation of quantum states between nodes.
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Electromagnetically induced transparency : Optics in coherent media
TL;DR: In this paper, the authors consider the atomic dynamics and the optical response of the medium to a continuous-wave laser and show how coherently prepared media can be used to improve frequency conversion in nonlinear optical mixing experiments.
Journal ArticleDOI
Ultralong spin coherence time in isotopically engineered diamond
Gopalakrishnan Balasubramanian,Philipp Neumann,Daniel J. Twitchen,Matthew Markham,Roman Kolesov,Norikazu Mizuochi,Norikazu Mizuochi,Junichi Isoya,Jocelyn Achard,J. Beck,Julia Tissler,Vincent Jacques,Philip R. Hemmer,Fedor Jelezko,Jörg Wrachtrup +14 more
TL;DR: Here, it is demonstrated the synthesis and application of ultrapure isotopically controlled single-crystal chemical vapour deposition (CVD) diamond with a remarkably low concentration of paramagnetic impurities, and single electron spins show the longest room-temperature spin dephasing times ever observed in solid-state systems.
Journal ArticleDOI
Coherent dynamics of coupled electron and nuclear spin qubits in diamond.
Lilian Childress,Lilian Childress,M. V. Gurudev Dutt,M. V. Gurudev Dutt,Jacob M. Taylor,Jacob M. Taylor,Alexander S. Zibrov,Alexander S. Zibrov,Fedor Jelezko,Fedor Jelezko,J. Wrachtrup,J. Wrachtrup,Philip R. Hemmer,Philip R. Hemmer,Mikhail D. Lukin,Mikhail D. Lukin +15 more
TL;DR: Coherent manipulation of an individual electron spin associated with a nitrogen-vacancy center in diamond was used to gain insight into its local environment, which shows that this environment is effectively separated into a set of individual proximal 13Cnuclear spins, which are coupled coherently to the electron spin, and the remainder of the 13C nuclear spins, who cause the loss of coherence.
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Heralded entanglement between solid-state qubits separated by three metres
Hannes Bernien,Bas Hensen,Wolfgang Pfaff,Gerwin Koolstra,Machiel Blok,L. Robledo,Tim H. Taminiau,Matthew Markham,Daniel J. Twitchen,Lilian Childress,Ronald Hanson +10 more
TL;DR: Long-distance entanglement of two electron spin qubits in diamond with a spatial separation of three metres is established using a robust protocol based on creation of spin–photonEntanglement at each location and a subsequent joint measurement of the photons.