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cond-mat.mes-hall2025★ 2 cited

Anyon-trions in atomically thin semiconductor heterostructures

Nader Mostaan, Nathan Goldman, Ataç İmamoğlu +1

The study of anyons in topologically ordered quantum systems has mainly relied on edge-state interferometry. However, realizing controlled braiding of anyons necessitates the abili…

cond-mat.mes-hall2025★ 3 cited

Transition from Optically Excited to Intrinsic Spin Polarization in WSe

Sebastian Hedwig, Gregor Zinke, Jürgen Braun +6

Layered 2D van der Waals materials, such as transition metal dichalcogenides, are promising for nanoscale spintronic and optoelectronic applications. Harnessing their full potentia…

cond-mat.mes-hall2025★ 1 cited

Control of atomic reconstruction and quasi-1D excitons in strain-engineered moiré heterostructures

Shen Zhao, Zhijie Li, Zakhar A. Iakovlev +8

In two-dimensional nearly commensurate heterostructures, strain plays a critical role in shaping electronic behavior. While previous studies have focused on random strain introduce…

cond-mat.mes-hall2025★ 7 cited

Nanoscale resolved mapping of the dipole emission of hBN color centers with a scattering-type scanning near-field optical microscope

Iris Niehues, Daniel Wigger, Korbinian Kaltenecker +11

Color centers in hexagonal boron nitride (hBN) are promising candidates as quantum light sources for future technologies. In this work, we utilize a scattering-type near-field opti…

cond-mat.mes-hall2025★ 5 cited

Quantifying the creation of negatively charged boron vacancies in He-ion irradiated hexagonal boron nitride

Amedeo Carbone, Ilia D. Breev, Johannes Figueiredo +10

Hexagonal boron nitride (hBN) hosts luminescent defects possessing spin qualities compatible with quantum sensing protocols at room temperature. Vacancies, in particular, are readi…

cond-mat.mes-hall2025

Deterministic and Scalable Quantum Light Generation in DNA Origami-Programmed Organic Molecule-MoS Monolayer Hybrids

Shen Zhao, Zhijie Li, Elisabeth Erber +8

The functionalization of atomically-thin transition metal dichalcogenides (TMDs) with organic molecules is a promising approach for realizing nanoscale optoelectronic devices with…

cond-mat.mes-hall2024★ 6 cited

Excitons and trions in CrSBr bilayers

M. A. Semina, F. Tabataba-Vakili, A. Rupp +3

We study theoretically the neutral and charged excitons in two-dimensional semiconductors with anisotropic dispersion of charge carriers. Such a situation is realized in CrSBr-base…

cond-mat.mes-hall2024★ 18 cited

Light-induced quantum tunnelling current in graphene

Mohamed Sennary, Jalil Shah, Mingrui Yuan +4

In the last decade, advancements in attosecond spectroscopy have allowed us to study electron motion dynamics in condensed matter. The access to these electron dynamics and, conseq…

cond-mat.mes-hall2024★ 18 cited

Thouless pumping in a driven-dissipative Kerr resonator array

S. Ravets, N. Pernet, N. Mostaan +2

Thouless pumping is an emblematic manifestation of topology in physics, referring to the ability to induce a quantized transport of charge across a system by simply varying one of…

cond-mat.mes-hall2024★ 20 cited

Cavity-enhanced photon indistinguishability at room temperature and telecom wavelengths

Lukas Husel, Julian Trapp, Johannes Scherzer +10

Indistinguishable single photons in the telecom-bandwidth of optical fibers are indispensable for long-distance quantum communication. Solid-state single photon emitters have achie…

cond-mat.mes-hall2024★ 9 cited

Hybrid moiré excitons and trions in twisted MoTe-MoSe heterobilayers

Shen Zhao, Xin Huang, Roland Gillen +8

We report experimental and theoretical studies of MoTe-MoSe heterobilayers with rigid moiré superlattices controlled by the twist angle. Using an effective continuum model…

cond-mat.mes-hall2023★ 59 cited

Doping-control of excitons and magnetism in few-layer CrSBr

Farsane Tabataba-Vakili, Huy P. G. Nguyen, Anna Rupp +9

Magnetism in two-dimensional materials reveals phenomena distinct from bulk magnetic crystals, with sensitivity to charge doping and electric fields in monolayer and bilayer van de…

cond-mat.mes-hall2023★ 25 cited

Exciton-exciton interactions in van der Waals heterobilayers

Alexander Steinhoff, Edith Wietek, Matthias Florian +7

Exciton-exciton interactions are key to understanding non-linear optical and transport phenomena in van der Waals heterobilayers, which emerged as versatile platforms to study corr…

cond-mat.mes-hall2023★ 10 cited

Chirality-inverted Dzyaloshinskii-Moriya interaction

Khalil Zakeri, Alberto Marmodoro, Albrecht von Faber +2

The Dzyaloshinskii-Moriya interaction (DMI) is an antisymmetric exchange interaction, which is responsible for the formation of topologically protected spin textures in chiral magn…

cond-mat.mes-hall2023★ 9 cited

Chirality probe of twisted bilayer graphene in the linear transport regime

Dario A. Bahamon, Guillermo Gómez-Santos, Dmitri K. Efetov +1

We propose minimal transport experiments in the coherent regime that can probe the chirality of twisted moiré structures. We show that only with a third contact and in the presence…

cond-mat.mes-hall2023★ 35 cited

Ferroelectric and anomalous quantum Hall states in bare rhombohedral trilayer graphene

Felix Winterer, Fabian R. Geisenhof, Noelia Fernandez +3

Nontrivial interacting phases can emerge in elementary materials. As a prime example, continuing advances in device quality have facilitated the observation of a variety of spontan…

cond-mat.mes-hall2023★ 2 cited

Excitonic Resonances in Coherent Anti-Stokes Raman Scattering from Single Wall Carbon Nanotubes

Georgy Gordeev, Lucas Lafeta, Benjamin Scott Flavel +2

In this work we investigate the role of exciton resonances in coherent anti-Stokes Raman scattering (er-CARS) in single walled carbon nanotubes (SWCNTs). We drive the nanotube syst…

cond-mat.mes-hall2023★ 24 cited

Field-induced hybridization of moiré excitons in MoSe/WS heterobilayers

Borislav Polovnikov, Johannes Scherzer, Subhradeep Misra +10

We study experimentally and theoretically the hybridization among intralayer and interlayer moiré excitons in a MoSe/WS heterostructure with antiparallel alignment. Using a…

cond-mat.mes-hall2023★ 96 cited

Lightwave-controlled band engineering in quantum materials

Sambit Mitra, Álvaro Jiménez-Galán, Marcel Neuhaus +4

Stacking and twisting atom-thin sheets create superlattice structures with unique emergent properties, while tailored light fields can manipulate coherent electron transport on ult…

cond-mat.mes-hall2022★ 4 cited

Ultra-Sensitive Extinction Measurements of Optically Active Defects in Monolayer MoS

Florian Sigger, Ines Amersdorffer, Alexander Hötger +12

We utilize cavity-enhanced extinction spectroscopy to directly quantify the optical absorption of defects in MoS generated by helium ion bombardment. We achieve hyperspectral i…

cond-mat.mes-hall2022★ 18 cited

Lattice reconstruction in MoSe-WSe heterobilayers synthesized by chemical vapor deposition

Zhijie Li, Farsane Tabataba-Vakili, Shen Zhao +11

Vertical van der Waals heterostructures of semiconducting transition metal dichalcogenides realize moiré systems with rich correlated electron phases and moiré exciton phenomena. F…

cond-mat.mes-hall2022★ 37 cited

Coulomb-mediated antibunching of an electron pair surfing on sound

Junliang Wang, Hermann Edlbauer, Aymeric Richard +14

Electron flying qubits are envisioned as potential information link within a quantum computer, but also promise -- alike photonic approaches -- a self-standing quantum processing u…

cond-mat.mes-hall2022★ 8 cited

Site-selective ion beam synthesis and optical properties of individual CdSe nanocrystal quantum dots in a SiO2 matrix

H. Moritz Mangold, Helmut Karl, Hubert J. Krenner

Cadmium selenide nanocrystal quantum dots (NC-QDs) are site-selectively synthesized by sequential ion beam implantation of selenium and cadmium ions in a SiO2 matrix through sub-mi…

cond-mat.mes-hall2022★ 28 cited

Energy Transfer in Stability-Optimized Perovskite Nanocrystals

Michèle G. Greiner, Andreas Singldinger, Nina A. Henke +4

Outstanding optoelectronic properties and a facile synthesis render halide perovskite nanocrystals (NCs) a promising material for nanostructure-based devices. However, the commerci…