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Related papers: Tuning color centers at a twisted interface

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Color centers in hexagonal boron nitride (hBN) have recently emerged as promising candidates for a new wave of quantum applications. Thanks to hBN's high stability and 2-dimensional (2D) layered structure, color centers in hBN can serve as…

Quantum Physics · Physics 2023-05-02 Sumukh Vaidya , Xingyu Gao , Saakshi Dikshit , Igor Aharonovich , Tongcang Li

Diamond has emerged as a leading host material for solid-state quantum emitters, quantum memories, and quantum sensors. However, the challenges in fabricating photonic devices in diamond have limited its potential for use in quantum…

Quantum Physics · Physics 2023-10-05 Kinfung Ngan , Yuan Zhan , Constantin Dory , Jelena Vučković , Shuo Sun

Color centers in h-BN are among the brightest emission centers known yet the origins of these emission centers are not well understood. Here, using first-principles calculations in combination with the generating function method, we…

Materials Science · Physics 2021-08-17 Christopher Linderälv , Witlef Wieczorek , Paul Erhart

A robust quantum light source operating upon electrical injection at ambient conditions is desirable for practical implementation of quantum technologies, such as quantum key distribution or metrology. Color centers in diamond are promising…

Silicon carbide is evolving as a prominent solid-state platform for the realization of quantum information processing hardware. Angle-etched nanodevices are emerging as a solution to photonic integration in bulk substrates where color…

The performance of modular, networked quantum technologies will be strongly dependent upon the quality of their quantum light-matter interconnects. Solid-state colour centres, and in particular T centres in silicon, offer competitive…

Electron-beam-induced luminescence typically relies on direct excitation by high energy primary electrons. Here, we explore properties of an alternative excitation approach where cathodoluminescence (CL) is driven by substrate-generated…

Optics · Physics 2026-04-01 Sven Ebel , N. Asger Mortensen , Sergii Morozov

Color centers in hexagonal boron nitride (hBN) have emerged as promising candidates for single-photon emitters (SPEs) due to their bright emission characteristics at room temperature. In contrast to mono- and few-layered hBN, color centers…

Applied Physics · Physics 2021-02-24 Pankaj K. Jha , Hamidreza Akbari , Yonghwi Kim , Souvik Biswas , Harry A. Atwater

Color centers in diamond as single photon emitters, are leading candidates for future quantum devices due to their room temperature operation and photostability. The recently discovered chromium related centers are particularly attractive…

Materials Science · Physics 2015-05-20 I Aharonovich , S Castelletto , B C Johnson , J C McCallum , S Prawer

We report on the controlled coupling of a single nitrogen-vacancy (NV) center to a surface plasmon mode propagating along a chemically grown silver nanowire. We locate and optically characterize a single NV-center in a uniform dielectric…

Quantum Physics · Physics 2011-03-08 Alexander Huck , Shailesh Kumar , Abdul Shakoor , Ulrik L. Andersen

Organic color centers in single-walled carbon nanotubes have demonstrated exceptional ability to generate single photons at room temperature in the telecom range. Combining the color centers with pristine air-suspended tubes would be…

Materials Science · Physics 2022-06-15 D. Kozawa , X. Wu , A. Ishii , J. Fortner , K. Otsuka , R. Xiang , T. Inoue , S. Maruyama , Y. Wang , Y. K. Kato

Color centers in diamond provide a promising platform for quantum optics in the solid state, with coherent optical transitions and long-lived electron and nuclear spins. Building upon recent demonstrations of nanophotonic waveguides and…

It has been theoretically predicted that light carrying orbital angular momentum, or twisted light, can be tuned to have a strong magnetic-field component at optical frequencies. We here consider the interaction of these peculiar fields…

Mesoscale and Nanoscale Physics · Physics 2017-11-22 G. F. Quinteiro , D. E. Reiter , T. Kuhn

As the ability to integrate single photon emitters into photonic architectures improves, so does the need to characterize and understand their interaction. Here, we use a scanning diamond nanocrystal to investigate the interplay between the…

Solid-state color centers with manipulatable spin qubits and telecom-ranged fluorescence are ideal platforms for quantum communications and distributed quantum computations. In this work, we coherently control the nitrogen-vacancy (NV)…

We perform photoluminescence measurements on vacancy-related emitters in hexagonal boron nitride (hBN) that are notorious for their low quantum yields. The gating of these emitters via few-layer graphene electrodes reveals a reproducible,…

We theoretically study physical properties of the most promising color center candidates for the recently observed single-photon emissions in hexagonal boron nitride (h-BN) monolayers. Through our group theory analysis combined with density…

Mesoscale and Nanoscale Physics · Physics 2018-05-21 Mehdi Abdi , Jyh-Pin Chou , Adam Gali , Martin B. Plenio

Resonance fluorescence from a quantum emitter is an ideal source to extract indistinguishable photons. By using the cross polarization to suppress the laser scattering, we observed resonance fluorescence from GeV color centers in diamond at…

Spontaneous processes triggered in a sample by free electrons are commonly regarded as incoherent, and therefore unable to interfere with external light sources. Here, we challenge this concept by showing through first-principles theory…

Near infrared color centers in silicon are emerging candidates for on-chip integrated quantum emitters, optical access quantum memories and sensing. We access ensemble G color center formation dynamics and radiation-induced atomic disorder…

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