15 citations · 30 across the 13 of their papers we have counts for
15 papers
An integrated all-van der Waals nanobeam laser
Aris Koulas-Simos, Pietro Metuh, Athanasios Paralikis +7
Transition-metal dichalcogenides offer a promising platform for integrated coherent light sources, yet lasing has largely relied on hybrid photonic architectures without direct qua…
Energy-time entanglement from a monolithically integrated quantum dot on silicon
Marcel Hohn, Imad Limame, Peter Ludewig +4
Scalable quantum photonic technologies require deterministic sources of entangled photons that are compatible with established semiconductor manufacturing platforms. While self-ass…
Monolithic axial InGaAs quantum dot emitters in GaAs-based nanowires via Sb-mediated facet engineering
Hyowon W. Jeong, Aris Koulas-Simos, Imad Limame +6
GaAs-based nanowires hosting active quantum heterostructures provide a promising route toward monolithic integration of single-photon sources on silicon, a key requirement for scal…
Localized Excitonic Emission in Wafer-Scale MOCVD-Grown GaSe 2D Nanosheets for Classical and Non-Classical Light Sources
Bhabani Sankar Sahoo, Nils Fritjof Langlotz, Shachi Machchhar +11
Wafer-scale growth of two-dimensional semiconductors remains a key challenge for their integration into photonic technologies. While most studies of two-dimensional semiconductors…
Strain-Engineered Deterministic Quantum Dots for Telecom O-Band Emission Using Buried Stressors
Imad Limame, Ching-Wen Shih, Kartik Gaur +7
The deterministic realization of quantum light sources operating at telecom wavelengths is essential for long-distance fiber-based quantum communication and distributed quantum com…
Probing Interface-Driven Mechanisms of Non-Classical Light in van der Waals Heterostructures
Bárbara L. T. Rosa, Lara Greten, Raphaela de Oliveira +7
Single-photon emitters in two-dimensional semiconductors offer a versatile platform for integrated quantum photonics, yet their performance is strongly influenced by local dielectr…
Scalable Quantum Photonic Platform Based on Site-Controlled Quantum Dots Coupled to Circular Bragg Grating Resonators
Kartik Gaur, Avijit Barua, Sarthak Tripathi +12
The scalable integration of solid-state quantum emitters into photonic nanostructures remains a central challenge for quantum photonic technologies. Here, we demonstrate a robust a…
Direct Epitaxial Growth and Deterministic Device Integration of high-quality Telecom O-Band InGaAs Quantum Dots on Silicon Substrate
Imad Limame, Peter Ludewig, Aris Koulas-Simos +9
Semiconductor quantum dots (QDs) are key building blocks for photonic quantum technologies, enabling practical sources of non-classical light. A central challenge for scalable inte…
High Purcell enhancement in all-TMDC nanobeam resonator designs with active monolayers for nanolasers
Felix Binkowski, Aris Koulas-Simos, Fridtjof Betz +9
We propose a nanobeam resonator incorporating an active monolayer, designed to achieve a high Purcell enhancement. The resonator is fully composed of transition-metal-dichalcogenid…
Electrical manipulation of intervalley trions in twisted MoSe homobilayers at room temperature
Bárbara L. T. Rosa, Paulo E. Faria Junior, Alisson R. Cadore +6
The impressive physics and applications of intra- and interlayer excitons in a transition metal dichalcogenide twisted-bilayer make these systems compelling platforms for exploring…
Enhancement of interlayer exciton emission in a TMDC heterostructure via a multi-resonant chirped microresonator up to room temperature
Chirag C. Palekar, Barbara Rosa, Niels Heermeier +5
We report on multi-resonance chirped distributed Bragg reflector (DBR) microcavities. These systems are employed to investigate the light-mater interaction with both intra- and int…
Self-aligned photonic defect microcavities with site-controlled quantum dots
C. -W. Shih, I. Limame, C. C. Palekar +4
Despite the superiority in quantum properties, self-assembled semiconductor quantum dots face challenges in terms of scalable device integration because of their random growth posi…
High- lasing in photonic-defect semiconductor-dielectric hybrid microresonators with embedded InGaAs quantum dots
Kartik Gaur, Ching-Wen Shih, Imad Limame +6
We report an easy-to-fabricate microcavity design to produce optically pumped high- quantum dot microlasers. Our cavity concept is based on a buried photonic-defect for tight la…
Low-threshold lasing of optically pumped micropillar lasers with AlGaAs/AlGaAs distributed Bragg reflectors
Ching-Wen Shih, Imad Limame, Sebastian Krüger +4
We report on the design, realization and characterization of optically pumped micropillar lasers with low-absorbing AlGaAs/AlGaAs dielectric Bragg r…
Quantum fluctuations and lineshape anomaly in a high- silver-coated InP-based metallic nanolaser
A. Koulas-Simos, J. Buchgeister, M. Drechsler +12
Metallic nanocavity lasers provide important technological advancement towards even smaller integrable light sources. They give access to widely unexplored lasing physics in which…