281 citations · 862 across the 32 of their papers we have counts for
34 papers
Deterministic Vortex Generation from Coupled Trapped Polariton Condensate Triad
X. Qin, N. Pitanios, S. Dam +4
We present the deterministic generation and all-optical switching of ternary topologically distinct vortex states in a triad of trapped exciton-polariton condensates with direct st…
Encapsulated macroscopic WS monolayers enable room-temperature exciton-polariton lattices
Shiyu Huang, Sander Scheel, Jiang Qu +11
Large-area, optically homogeneous monolayer semiconductors are a critical prerequisite for scalable room-temperature polaritonics and for realizing polariton lattices extending acr…
Charge Tunable Optical Nonlinearity of Moiré Exciton-Polaritons
Zhijie Li, Kok Wee Song, Jens-Christian Drawer +16
Transition metal dichalcogenides represent a versatile platform to study strong light-matter interactions based on excitons and electrons in ordered lattices. Twist-engineering of…
Spin-momentum locking of polariton edge states in honeycomb lattices
Andrea Herrero Otermin, Nicola Carlon Zambon, Dheerendra Singh +10
Transverse-electric/Transverse-magnetic splitting in dielectric-mirror microcavities introduces an effective spin-orbit coupling for photons. While the bulk states remain linearly…
Lattice quantum electrodynamics of a molecular emitter in a topological gap
Clarisse Fournier, Johannes Düreth, Elena Fanella +12
Engineering the photonic environment using lattices of coupled resonators, which we refer to as lattice quantum electrodynamics (QED), provides a route to control both the spontane…
Deterministic Transferable Planar Dielectric Mirrors for Investigating Strong Light-Matter Coupling
Atanu Patra, Subhamoy Sahoo, Johannes Düreth +2
Optical cavities play a central role in photonic and quantum technologies by enhancing light-matter interactions. In semiconductor microcavities, achieving high quality (Q) factors…
Probing Local Topology in a Disordered Higher-Order Topological Insulator
Johannes Düreth, Simon Widmann, Philipp Gagel +13
Higher-order topology is prized for its ability to realize lower-dimensional boundary states which are stable beyond fine-tuning. However, disorder presents a failure mechanism tha…
Direct experimental access to the bulk band inversion in a topological metamaterial
Simon Widmann, Johannes Düreth, Siddhartha Dam +9
Topological phases in exciton-polaritons and other metamaterial platforms have attracted significant attention due to their flexibility as Hamiltonian simulators. In previous works…
Tuning the non-linear interactions of hybrid interlayer excitons in bilayer MoS2 via electric fields
Mathias Federolf, Alexander Steinhoff, Monika Emmerling +3
Hybrid interlayer excitons in bilayer MoS2 are a promising platform for nonlinear optics due to their intrinsic dipolar character, which combines in-plane and out-ofplane dipole mo…
Dynamically reconfigurable topological routing in nonlinear photonic systems
Stephan Wong, Simon Betzold, Sven Hofling +1
The propagation path of topologically protected states is bound to the interface between regions with different topology, and as such, the functionality of linear photonic devices…
Electrical Control of Excitons in Bare-MoSe2 and MoSe2/NbSe2 Heterostructure
Atanu Patra, Vishakha Kaushik, Ali Sepas +10
Monolayer transition metal dichalcogenides (TMDCs) are promising materials for next-generation optoelectronic devices, owing to their strong excitonic responses and atomic thicknes…
Observation of Kardar-Parisi-Zhang universal scaling in two dimensions
Simon Widmann, Siddhartha Dam, Johannes Düreth +10
Equilibrium and nonequilibrium states of matter can exhibit fundamentally different behavior. A key example is the Kardar-Parisi-Zhang universality class in two spatial dimensions…
Artificial Gauge Fields and Dimensions in a Polariton Hofstadter Ladder
Simon Widmann, Jonas Bellmann, Johannes Düreth +11
Artificial gauge fields allow uncharged particles to mimic the behavior of charged particles subjected to magnetic fields, providing a powerful platform for exploring topological p…
Hybrid confinement techniques for polariton simulators
Johannes Düreth, Philipp Gagel, David Laibacher +13
Exciton-polariton III-V semiconductor microcavities provide a robust platform for emulating complex Hamiltonians, enabling topological photonics and quantum simulation for advanced…
Enwrapped Perylene Bisimide Enables Room Temperature Polariton Lasing and Photonic Lattices
Dominik Horneber, Johannes Düreth, Tim Schembri +5
Perylene bisimides (PBIs) are organic dyes with photoluminescence quantum yields (PLQY) close to unity in solution and great thermal and photo-chemical stability. These features al…
Topological Optical Waveguiding of Exciton-Polariton Condensates
Johannes Beierlein, Oleg A. Egorov, Philipp Gagel +9
One-dimensional models with topological non-trivial band structures are a simple and effective way to study novel and exciting concepts in topological photonics. In this work we ar…
An electrically pumped topological polariton laser
Philipp Gagel, Oleg A. Egorov, Franciszek Dzimira +9
With a seminal work of Raghu and Haldane in 2008, concepts of topology have been successfully introduced in a wide range of optical systems, emulating specific lattice Hamiltonians…
Dirac Cones and Room Temperature Polariton Lasing Evidenced in an Organic Honeycomb Lattice
Simon Betzold, Johannes Düreth, Marco Dusel +6
Artificial one- and two-dimensional lattices have emerged as a powerful platform for the emulation of lattice Hamiltonians, the fundamental study of collective many-body effects, a…
Polarized and Un-Polarized Emission from a Single Emitter in a Bullseye Resonator
Giora Peniakov, Quirin Buchinger, Mohamed Helal +12
We present polarized |S|=0.990.01, and unpolarized |S|=0.030.01 emission from a single emitter embedded in a single, cylindrically symmetric device design. We show that t…
Optical properties of circular Bragg gratings with labyrinth geometry to enable electrical contacts
Quirin Buchinger, Simon Betzold, Sven Höfling +1
We present an optical study of various device designs for electrically contactable circular Bragg grating cavities in labyrinth geometries. To create an electrical connection betwe…
Purcell-enhanced single photon source based on a deterministically placed WSe monolayer quantum dot in a circular Bragg grating cavity
O. Iff, Q. Buchinger, M. Moczała-Dusanowska +6
We demonstrate a deterministic Purcell-enhanced single-photon source realized by integrating an atomically thin WSe layer with a circular Bragg grating cavity. The cavity sig…
Room temperature topological polariton laser in an organic lattice
Marco Dusel, Simon Betzold, Tristan. H. Harder +7
Interacting bosonic particles in artificial lattices have proven to be a powerful tool for the investigation of exotic phases of matter as well as phenomena resulting from non-triv…
Opto-Mechanical Tuning of the Polarization Properties of Micropillar Cavity Systems with embedded Quantum Dots
Stefan Gerhardt, Magdalena Moczała-Dusanowska, Łukasz Dusanowski +7
Strain tuning emerged as an appealing tool to tune fundamental optical properties of solid state quantum emitters. In particular, the wavelength and fine structure of quantum dot s…
Room temperature Organic Exciton-Polariton Condensate in a Lattice
Marco Dusel, Simon Betzold, Oleg A. Egorov +5
Interacting Bosons, loaded in artificial lattices, have emerged as a modern platform to explore collective manybody phenomena, quantum phase transitions and exotic phases of matter…