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

557 citations

Showing 2025 · physics.opticsShow all

8 papers · 2 filters

physics.optics2025

Polarization-Sensitive Au-TiO2 Nanopillars for Tailored Photocatalytic Activity

Ning Lyu, Anjalie Edirisooriya, Zelio Fusco +4

Plasmonic metasurfaces play a crucial role in resonance-driven photocatalytic reactions by effectively enhancing reactivity via localized surface plasmon resonances. Catalytic acti…

physics.optics2025★ 2 cited

Valley-dependent emission patterns enabled by plasmonic nanoantennas

Tobias Bucher, Jingshi Yan, Jan Sperrhake +12

Selective control over the emission pattern of valley-polarized excitons in monolayer transition metal dichalcogenides is crucial for developing novel valleytronic, quantum informa…

physics.optics2025★ 16 cited

Enhanced photon-pair generation from a van der Waals metasurface

Tongmiao Fan, Yilin Tang, Shaun Lung +11

Quantum photon pairs play a pivotal role in many quantum applications. Metasurfaces, two-dimensional arrays of nanostructures, have been studied intensively to enhance and control…

physics.optics2025★ 10 cited

Photonics in Flatland: Challenges and Opportunities for Nanophotonics with 2D Semiconductors

Ali Azimi, Julien Barrier, Angela Barreda +45

Two-dimensional (2D) semiconductors are emerging as a versatile platform for nanophotonics, offering unprecedented tunability in optical properties through exciton resonance engine…

physics.optics2025★ 2 cited

Direct measurement of broken time-reversal symmetry in centrosymmetric and non-centrosymmetric atomically thin crystals with nonlinear Kerr rotation

Florentine Friedrich, Paul Herrmann, Shridhar Sanjay Shanbhag +3

Time-reversal symmetry, together with space-inversion symmetry, is one of the defining properties of crystals, underlying phenomena such as magnetism, topology and non-trivial spin…

physics.optics2025★ 2 cited

Ultrafast Coherent Bandgap Modulation Probed by Parametric Nonlinear Optics

Sebastian Klimmer, Thomas Lettau, Laura Valencia Molina +5

Light-matter interactions in crystals are powerful tools that seamlessly allow both functionalities of sizeable bandgap modulation and non-invasive spectroscopy. While we often ass…

physics.optics2025★ 5 cited

Parametric metasurfaces for amplified up-conversion of electromagnetic waves

Fedor V. Kovalev, Ilya V. Shadrivov

Spatiotemporal metasurfaces, characterized by dynamic variations in both space and time, enable functionalities unattainable with passive metasurfaces. In this study, we propose a…

physics.optics2025★ 2 cited

Broadband bright biphotons from periodically poled triple-resonance metasurface

Jihua Zhang, Chaoxin Shi, Jinyong Ma +5

Biphotons from spontaneous parametric down conversion with broad bandwidth are highly wanted in many quantum technologies. However, achieving broad bandwidth in both frequency and…