T. Taniguchi

High-Temperature Activation of Single-Photon Emitters in monolayer WS2

Gyeongjun Lee, Antoine Borel, Takashi Taniguchi +3

Controlled activation of defect-bound excitonic states in two-dimensional semiconductors provides a route to isolated quantum emitters and a sensitive probe of defect physics. Here…

cond-mat.str-el2025

Moiré-modulated $Γ$ valley in twisted bilayer and twisted double-bilayer MoTe $_{2}$

Wanying Chen, Hongyun Zhang, Jinxi Lu +18

Twisted MoTe $_{2}$ hosts intriguing correlated quantum phenomena including the fractional quantum anomalous Hall effect in twisted bilayer (t-BL) MoTe $_{2}$ near 3.7 $^{\circ}$ , which is…

Time-resolved Charge Detection in Transition Metal Dichalcogenide Quantum Dots

Markus Niese, Michele Masseroni, Clara Scherm +10

We investigate electronic transport through gate-defined quantum dots in molybdenum disulfide MoS $_{2}$ using an integrated charge detector. We observe a crossover from two weakly co…

van der Waals Nanoreactors

Zhaoyi Joy Zheng, Haosen Guan, Danrui Ni +11

Advancing the chemical synthesis of crystals is important for both fundamental research and practical applications of quantum materials. While established bulk-phase and thin-film…

Magnetic field induced polarization enhancement in the photoluminescence of MBE-grown WSe $_{2}$ layers

Maksymilian Kuna, Mateusz Raczyński, Julia Kucharek +5

We report an experimental study of the magnetic-field dependence of the optically pumped valley polarization in an epitaxial tungsten diselenide (WSe $_{2}$ ) monolayer grown by molecu…

quant-ph2025

High-Performance Near-Infrared Quantum Emission from Color Centers in hBN

Sean Doan, Sahil D. Patel, Yilin Chen +9

Color centers hosted in hexagonal boron nitride have emerged as a highly promising platform for single-photon emission and spin-photon technologies relevant to quantum communicatio…

Tuning proximity-induced spin-orbit coupling in graphene/WSe $_{2}$ heterostructures

Tobias Rockinger, Bálint Szentpéteri, Szabolcs Csonka +10

Recently, proximity-induced spin-orbit coupling (SOC) has been observed in heterostructures consisting of monolayer graphene (ML-G) and transition metal dichalcogenides (TMDCs) suc…

High luminescence efficiency of multi-valley excitonic complexes in heavily doped WSe2 monolayer

Sébastien Roux, Tilly Guyot, Abraao Cefas Torres-Dias +9

Monolayers of group-VI transition-metal dichalcogenides (TMDs) are two-dimensional semiconductors that exhibit exceptionally strong light-matter coupling yet typically suffer from…

2D Excitonics with Atomically Thin Lateral Heterostructures

S. Shradha, R. Rosati, H. Lamsaadi +18

Semiconducting transition metal dichalcogenides (TMDs), such as MoSe $_{2}$ and WSe $_{2}$ , exhibit unique optical and electronic properties. Vertical stacking of layers of one or more T…

physics.app-ph2025

Impact of irradiation conditions on the magnetic field sensitivity of spin defects in hBN nano flakes

Saksham Mahajan, Ravi Kumar, Aferdita Xhameni +8

We study $V_{B}^{-}$ centres generated by helium focused ion beam (FIB) irradiation in thin ( $\sim$ 70 nm) hBN nanoflakes, in order to investigate the effect of implantation…

Investigating the Ferroelectric Potential Landscape of 3R-MoS $_{2}$ through Optical Measurements

Jan-Niklas Heidkamp, Johannes Schwandt-Krause, Swarup Deb +4

In recent years, sliding ferroelectricity has emerged as a topic of significant interest due to its possible application in non-volatile, reconfigurable storage devices. This pheno…

Direct observation of band structure modifications from monolayer WSe2 to Janus WSSe

Masato Sakano, Shunsuke Akatsuka, Takato Yamamoto +19

Janus monolayer transition metal dichalcogenides (TMDs), created by post-growth substitution of the top chalcogen layer, represent a new direction for engineering 2D crystal proper…

Electrically tunable ultrafast dynamics and interactions of hybrid excitons in a 2D semiconductor bilayer

Edoardo Lopriore, Charalambos Louca, Armando Genco +12

Extended efforts have been devoted to the study of strongly-interacting excitons and their dynamics, towards macroscopic quantum states of matter such as Bose-Einstein condensates…

cond-mat.mes-hall2025★ 3 cited

Bichromatic Moiré Superlattices for Tunable Quadrupolar Trions and Correlated States

Mingfeng Chen, Runtong Li, Haonan Wang +11

Moiré superlattices in transition metal dichalcogenide heterostructures provide a platform to engineer many-body interactions. Here, we realize a bichromatic moiré superlattice in…

Dynamically tunable hydrodynamic transport in boron nitride-encapsulated graphene

Akash Gugnani, Aniket Majumdar, Kenji Watanabe +2

Over the past decade, graphene has emerged as a promising candidate for exploring the viscous nature of electronic flow facilitated by the availability of extremely high-quality de…

Van der Waals injection-molded crystals

Vinh Tran, Amy X. Wu, Laisi Chen +5

Shaping low-dimensional crystals into precise geometries with low disorder is an outstanding challenge. Here, we present a method to grow single crystals of arbitrary geometry with…

Tunability of Robust Exciton-Trion Polaritons in Atomically Thin WS2 Monolayers

Xuguang Cao, Debao Zhang, Ji Zhou +6

Herein, we present an experimental demonstration of the robust exciton-trion polaritons (ETPs) by measuring and simulating the resonance reflectance spectra of various configuratio…

Polarized electroluminescence with magnetic spectral tuning in van der Waals magnet CrSBr

Yilei Wang, Shiqi Yang, Leyan Huang +7

Polarized wavelength-tunable electroluminescence (EL) represents a critical on-demand functionality for next-generation optoelectronics. While conventional van der Waals (vdW) EL d…

cond-mat.mes-hall2025★ 2 cited

Cavity-mediated exciton hopping in a dielectrically engineered polariton system

Lukas Husel, Farsane Tabataba-Vakili, Johannes Scherzer +7

Exciton-polaritons - coherently hybridized states of excitons and photons - are instrumental for solid-state nonlinear optics and quantum simulations. To enable engineered polarito…

Gate-tunable spectrum and charge dispersion mitigation in a graphene superconducting qubit

Nicolas Aparicio, Simon Messelot, Edgar Bonet-Orozco +5

Controlling the energy spectrum of quantum-coherent superconducting circuits, i.e. the energies of excited states, the circuit anharmonicity and the states' charge dispersion, is e…

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…

Optical Injection and Detection of Long-Lived Interlayer Excitons in van der Waals Heterostructures

Alperen Tüğen, Anna M. Seiler, Arthur Christianen +4

Interlayer excitons in semiconducting bilayers separated by insulating hBN layers constitute a promising platform for investigation of strongly correlated bosonic phases. Here, we…