activity
20212026
most citedObservation of ~100% valley-coherent excitons in monolayer MoS2 through giant enhancement of valley coherence time

24 citations · 56 across the 139 of their papers we have counts for

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10 papers · 1 filter

physics.optics2026

Counterdirectional Exciton and Trion Motion in Applied Electric Field

Daniel Vaz, Yuanjun Guan, Qiaochu Wan +13

Charged excitonic complexes are central to the optoelectronic and many-body properties of semiconductors, yet their real-space transport dynamics remain largely unexplored. Here, w…

physics.optics2026

Hexagonal Boron Nitride Spin Defects for Quantum Photonics: Annealing-Free Generation by Krypton Ion Implantation

Ikshvaku Shyam, Raj Singh, Mangababu Akkanaboina +11

Controlled, reproducible generation of luminescent defect centres in hBN remains a key challenge for scalable quantum-photonic technologies. Here, we report Kr ion implantati…

physics.optics2026★ 1 cited

C-band 160 Gbs-1 Zero-bias Graphene Photodetectors: Breaking the Responsivity-Bandwidth Trade-off by Heterostructure Engineering

Karuppasamy Pandian Soundarapandian, Alberto Montanaro, Ioannis Vangelidis +17

Graphene photodetectors offer ultrafast response and broadband operation, but their responsivity is typically limited by rapid hot-carrier cooling, leading to a trade-off between s…

physics.optics2026

Ultrafast Nano-Imaging and Optical Control of Hyperbolic Phonon Polaritons at hBN/WS Heterojunctions

Kazuki Kamada, Keisuke Shinokita, Fanyu Zeng +7

Manipulating nanoscale light-matter interactions on ultrafast time scales is indispensable for future polaritonic devices. Hyperbolic phonon polaritons (HPhPs) in van der Waals mat…

physics.optics2026

Surface defects in carbon-doped hexagonal boron nitride for negative-contrast direct laser writing

Dmitrii Litvinov, Virgil Gavriliuc, Magdalena Grzeszczyk +5

Radiative defects in hexagonal boron nitride (hBN) are active in a broad spectral range from deep ultraviolet to near-infrared wavelengths. Representatives of these defects act as…

physics.optics2026

Polariton-mediated binding of anti-aligned dipolar excitons

Haifeng Kang, Quanbing Guo, Tianyi Zhou +7

Interacting bosonic quasiparticles are the cornerstone for exploring many-body physics and nonlinear quantum phenomena in correlated light-matter systems. Strongly interacting dipo…

physics.optics2026

Electrically reconfigurable dipolar polaritons with highly tunable nonlinearity in a homobilayer microcavity

Baixu Xiang, Yubin Wang, Guihan Wen +9

Active control over optical nonlinearity in solid-state systems is central to unlocking exotic many-body phenomena and photonic devices. While exciton-polaritons in transition meta…

physics.optics2025

Topological Jackiw-Rebbi States in Photonic Van der Waals Heterostructures

Sam A. Randerson, Paul Bouteyre, Xuerong Hu +9

Topological phenomena, first studied in solid state physics, have seen increased interest for applications in nanophotonics owing to highly controllable light confinement with inhe…

physics.optics2025

Resonance fluorescence and indistinguishable photons from a coherently driven B centre in hBN

Domitille Gérard, Stéphanie Buil, Kenji Watanabe +3

Optically active defects in hexagonal boron nitride (hBN) have become amongst the most attractive single-photon emitters in the solid state, owing to their high-quality photophysic…

physics.optics2023★ 3 cited

Retrieving optical parameters of emerging van der Waals flakes

Mitradeep Sarkar, Michael T. Enders, Mehrdad Shokooh-Saremi +5

High-quality low-dimensional layered and van der Waals materials are typically exfoliated, with sample cross sectional areas on the order of tens to hundreds of microns. The small…