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Single quantum emitters in monolayer semiconductors

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TLDR
A new class of SQEs based on excitons that are spatially localized by defects in 2D tungsten-diselenide (WSe2) monolayers is reported, which could give rise to practical advantages in quantum-information processing, such as an efficient photon extraction and a high integratability and scalability.
Abstract
Emission of single photons can be achieved by using defects in two-dimensional crystals as a source of luminescence.

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Photonics and optoelectronics of 2D semiconductor transition metal dichalcogenides

TL;DR: In this paper, the electronic and optical properties and the recent progress in applications of 2D semiconductor transition metal dichalcogenides with emphasis on strong excitonic effects, and spin- and valley-dependent properties are reviewed.
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Valleytronics in 2D materials

TL;DR: In this article, the latest advances in valley-tronics have largely been enabled by the isolation of 2D materials (such as graphene and semiconducting transition metal dichalcogenides) that host an easily accessible electronic valley degree of freedom, allowing for dynamic control.
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Solid-state single-photon emitters

TL;DR: In this article, a review summarizes recent progress of single-photon emitters based on defects in solids and highlights new research directions, including photophysical properties of singlephoton emissions and efforts towards scalable system integration.
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Chemical Vapor Deposition Growth and Applications of Two-Dimensional Materials and Their Heterostructures

TL;DR: This review of the challenges in the CVD growth of 2D materials highlights recent advances in the controlled growth of single crystal 2Dmaterials, with an emphasis on semiconducting transition metal dichalcogenides.
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Signatures of moiré-trapped valley excitons in MoSe 2 /WSe 2 heterobilayers

TL;DR: Results suggest that the origin of the observed effects is interlayer excitons trapped in a smooth moiré potential with inherited valley-contrasting physics, and presents opportunities to control two-dimensional moirÉ optics through variation of the twist angle.
References
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Journal ArticleDOI

A scheme for efficient quantum computation with linear optics.

TL;DR: It is shown that efficient quantum computation is possible using only beam splitters, phase shifters, single photon sources and photo-detectors and are robust against errors from photon loss and detector inefficiency.
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Quantum cryptography

TL;DR: A protocol for coin-tossing by exchange of quantum messages is presented, which is secure against traditional kinds of cheating, even by an opponent with unlimited computing power, but ironically can be subverted by use of a still subtler quantum phenomenon, the Einstein-Podolsky-Rosen paradox.
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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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