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20192026
most citedRoom Temperature Initialisation and Readout of Intrinsic Spin Defects in a Van der Waals Crystal

557 citations

Showing 2023Show all

22 papers · 1 filter

quant-ph2023★ 5 cited

Nonlocal quantum differentiation between polarization objects using entanglement

Vira R. Besaga, Luosha Zhang, Andres Vega +6

For a wide range of applications a fast, non-destructive, remote, and sensitive identification of samples with predefined characteristics is preferred instead of their full charact…

cond-mat.mes-hall2023★ 13 cited

Ultrafast Opto-Electronic and Thermal Tuning of Third-Harmonic Generation in a Graphene Field Effect Transistor

Omid Ghaebi, Sebastian Klimmer, Nele Tornow +6

Graphene is a unique platform for tunable opto-electronic applications thanks to its linear band dispersion, which allows electrical control of resonant light-matter interactions.…

cond-mat.mes-hall2023★ 13 cited

Room temperature electroluminescence from isolated colour centres in van der Waals semiconductors

Gyuna Park, Ivan Zhigulin, Hoyoung Jung +7

Defects in wide bandgap semiconductors have recently emerged as promising candidates for solid-state quantum optical technologies. Electrical excitation of emitters may pave the wa…

physics.optics2023★ 27 cited

Valley Polarization-Electric Dipole Interference and Nonlinear Chiral Selection Rules in Monolayer WSe

Paul Herrmann, Sebastian Klimmer, Till Weickhardt +6

In monolayer transition metal dichalcogenides time-reversal symmetry, combined with space-inversion symmetry, defines the spin-valley degree of freedom. As such, engineering and co…

physics.app-ph2023

Monolithic Integration of Single Quantum Emitters in hBN Bullseye Cavities

Lesley Spencer, Jake Horder, Sejeong Kim +2

The ability of hexagonal boron nitride to host quantum emitters in the form of deep-level color centers makes it an important material for quantum photonic applications. This work…

physics.optics2023★ 4 cited

Optimization of metasurfaces for lasing with symmetry constraints on the modes

Matthew Parry, Kenneth B. Crozier, Andrey A. Sukhorukov +1

The development of active metasurface systems, such as lasing metasurfaces, requires the optimization of multiple modes at the absorption and lasing wavelength bands, including the…

physics.optics2023★ 16 cited

Photon pair generation from lithium niobate metasurface with tunable spatial entanglement

Jihua Zhang, Jinyong Ma, Dragomir N. Neshev +1

Two-photon state with spatial entanglement is an essential resource for testing fundamental laws of quantum mechanics and various quantum applications. Its creation typically relie…

physics.optics2023★ 4 cited

Full conversion of unpolarized to fixed-polarization light with topology optimized metasurfaces

Neuton Li, Shaun Lung, Jihua Zhang +2

Conventional polarizers and polarization beam splitters have a fundamental limit of 50\% efficiency when converting unpolarized light into one specific polarization. Here, we overc…

physics.optics2023★ 51 cited

Polarization engineering of entangled photons from a lithium niobate nonlinear metasurface

Jinyong Ma, Jihua Zhang, Yuxin Jiang +4

Complex polarization states of photon pairs are indispensable in various quantum technologies. Conventional methods for preparing desired two-photon polarization states are realize…

physics.app-ph2023★ 19 cited

The Acoustophotoelectric Effect: Efficient Phonon-Photon-Electron Coupling in Zero-Voltage-Biased 2D SnS for Broadband Photodetection

Hossein Alijani, Philipp Reineck, Robert Komljenovic +8

Two-dimensional (2D) layered metal dichalcogenides constitute a promising class of materials for photodetector applications due to their excellent optoelectronic properties. The mo…

cond-mat.mtrl-sci2023★ 17 cited

First principles theory of the nitrogen interstitial in hBN: a plausible model for the blue emitter

Ádám Ganyecz, Rohit Babar, Zsolt Benedek +3

Color centers in hexagonal boron nitride (hBN) have attracted considerable attention due to their remarkable optical properties enabling robust room temperature photonics and quant…

physics.app-ph2023★ 7 cited

Parametric metasurfaces for electromagnetic wave amplification

Fedor V. Kovalev, Ilya V. Shadrivov

We study parametric amplification of electromagnetic waves using metasurfaces. We design a variable capacitor-loaded metasurface that can amplify incident electromagnetic waves. We…

cond-mat.mes-hall2023★ 48 cited

Multi-species optically addressable spin defects in a van der Waals material

Sam C. Scholten, Priya Singh, Alexander J. Healey +11

Optically addressable spin defects hosted in two-dimensional van der Waals materials represent a new frontier for quantum technologies, promising to lead to a new class of ultrathi…

physics.optics2023★ 36 cited

Optically addressable spin defects coupled to bound states in the continuum metasurfaces

Luca Sortino, Angus Gale, Lucca Kühner +9

Van der Waals (vdW) materials, including hexagonal boron nitride (hBN), are layered crystalline solids with appealing properties for investigating light-matter interactions at the…

cond-mat.mes-hall2023★ 5 cited

Post-growth shaping and transport anisotropy in 2D InAs nanofins

J. Seidl, J. G. Gluschke, X. Yuan +4

We report on the post-growth shaping of free-standing 2D InAs nanofins that are grown by selective-area epitaxy and mechanically transferred to a separate substrate for device fabr…

physics.optics2023★ 13 cited

Manipulating the Charge State of Spin Defects in Hexagonal Boron Nitride

Angus Gale, Dominic Scognamiglio, Ivan Zhigulin +4

Negatively charged boron vacancies () in hexagonal boron nitride (hBN) have recently gained interest as spin defects for quantum information processing and quantum s…

physics.optics2023★ 19 cited

Dual-band coupling between nanoscale polaritons and vibrational and electronic excitations in molecules

A. Bylinkin, F. Calavalle, M. Barra-Burillo +13

Strong coupling (SC) between light and matter excitations such as excitons and molecular vibrations bear intriguing potential for controlling chemical reactivity, conductivity or p…

cond-mat.mes-hall2023★ 41 cited

Detection of paramagnetic spins with an ultrathin van der Waals quantum sensor

Islay O. Robertson, Sam C. Scholten, Priya Singh +8

Detecting magnetic noise from small quantities of paramagnetic spins is a powerful capability for chemical, biochemical, and medical analysis. Quantum sensors based on optically ad…

quant-ph2023★ 80 cited

Quantum sensing and imaging with spin defects in hexagonal boron nitride

Sumukh Vaidya, Xingyu Gao, Saakshi Dikshit +2

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-dimensiona…

quant-ph2023★ 15 cited

Time-dependent Mandel Q parameter analysis for a hexagonal boron nitride single photon source

Callum Jones, Jolly Xavier, Samir Vartabi Kashanian +3

The time-dependent Mandel Q parameter, Q(T), provides a measure of photon number variance for a light source as a function of integration time. Here, we use Q(T) to characterise si…

physics.app-ph2023★ 7 cited

Coupling spin defects in hexagonal boron nitride to a microwave cavity

Thinh N. Tran, Angus Gale, Benjamin Whitefield +3

Optically addressable spin defects in hexagonal boron nitride (hBN) have become a promising platform for quantum sensing. While sensitivity of these defects are limited by their in…

physics.optics2023★ 75 cited

Post-2000 Nonlinear Optical Materials and Measurements: Data Tables and Best Practices

Nathalie Vermeulen, Daniel Espinosa, Adam Ball +19

In its 60 years of existence, the field of nonlinear optics has gained momentum especially over the past two decades thanks to major breakthroughs in material science and technolog…