35 citations · 182 across the 20 of their papers we have counts for
20 papers
Telecom-band site-controlled quantum dots with engineered low fine-structure splitting
Christian C. Ruiz Madera, Paweł Holewa, Paweł Wyborski +3
Deterministic quantum light sources emitting at telecom wavelengths with vanishing fine-structure splitting (FSS) are essential components for scalable quantum communication. While…
Strain-free, symmetrical, InGaAs quantum dots as single photon emitters in the telecomC-band
Rabbia Tahir, Paweł Wyborski, Artur Tuktamyshev +4
Non-classical photon sources made of semiconductor quantum dots (QDs) emitting in the telecommunication C-band are crucial components for low-loss, long-distance photonic quantum c…
Local droplet etching-assisted quantum dot epitaxy for telecom C-band quantum light emitters
Karolina E. Połczyńska, Paweł Wyborski, Michał Gawełczyk +4
Significant progress in quantum light sources for quantum communication applications requires reproducible and symmetric quantum emitters acting as single-photon sources capable of…
Integrated on-chip quantum light sources on a van der Waals platform
Pietro Metuh, Paweł Wyborski, Athanasios Paralikis +4
Scalable photonic quantum information technologies require a platform combining quantum light sources, waveguides, and detectors on a single chip. Here, we introduce a van der Waal…
Generation of C-band entangled photon pairs by biexciton-exciton cascade from symmetric InAs/InP quantum dots
Anna Musiał, Maja Wasiluk, Katarzyna Roszak +6
Hereby, we study the generation of pairs of polarization-entangled photons at telecom C-band by biexciton-exciton cascade from non-resonantly excited epitaxial InAs/InP quantum dot…
Toward triggered generation of indistinguishable single-photons from MoTe quantum emitters
Paweł Wyborski, Athanasios Paralikis, Pietro Metuh +5
Single-photon sources operating at telecom wavelengths are fundamental components for long-distance optical quantum communication and information processing. Two-dimensional (2D) t…
Tunable and low-noise WSe quantum emitters for quantum photonics
Athanasios Paralikis, Pawel Wyborski, Pietro Metuh +2
Low-noise and tunable single-photon sources are essential components of photonic quantum technologies. However, in WSe quantum emitters, charge noise from fluctuations in their…
Toward single-photon detection with superconducting niobium diselenide nanowires
Pietro Metuh, Athanasios Paralikis, Paweł Wyborski +9
We present superconducting nanowire single-photon detectors (SNSPDs) based on few-layer NbSe fully encapsulated with hexagonal boron nitride (hBN), demonstrating single-photon…
Deterministic fabrication of GaAs-quantum-dot micropillar single-photon sources
Abdulmalik A. Madigawa, Martin Arentoft Jacobsen, Claudia Piccinini +6
This study investigates the performance of droplet-etched GaAs quantum dots (QDs) integrated into micropillar structures using a deterministic fabrication technique. We demonstrate…
Strong coupling between a dielectric nanocavity and a monolayer transition metal dichalcogenide
F. Schröder, P. Wyborski, M. Xiong +6
We demonstrate strong coupling between light in a dielectric nanocavity with deep sub-wavelength confinement and excitons in a monolayer of molybdenum ditelluride. Avoided crossing…
A Fiber-pigtailed Quantum Dot Device Generating Indistinguishable Photons at GHz Clock-rates
Lucas Rickert, Kinga Żołnacz, Daniel A. Vajner +11
Solid-state quantum light sources based on semiconductor quantum dots (QDs) are increasingly employed in photonic quantum information applications. Especially when moving towards r…
Monolithic Integration of Sub-50 nm III-V Nano-Heterostructures on Si (001) for Telecom Photonics
Alisha Nanwani, Paweł Wyborski, Michael S. Seifner +5
The demand for advanced photonics technology is increasing rapidly, fueled by the necessity for high-performance and cost-effective optical information processing systems extending…
High-purity and stable single-photon emission in bilayer WSe via phonon-assisted excitation
Claudia Piccinini, Athanasios Paralikis, José Ferreira Neto +6
The excitation scheme is essential for single-photon sources, as it governs exciton preparation, decay dynamics, and the spectral diffusion of emitted photons. While phonon-assiste…
Impact of MBE-grown (In,Ga)As/GaAs metamorphic buffers on excitonic and optical properties of single quantum dots with single-photon emission tuned to the telecom range
Paweł Wyborski, Michał Gawełczyk, Paweł Podemski +6
Tuning GaAs-based quantum emitters to telecom wavelengths makes it possible to use the existing mature technology for applications in, e.g., long-haul ultra-secure communication in…
Observation of room temperature excitons in an atomically thin topological insulator
Marcin Syperek, Raul Stühler, Armando Consiglio +10
Optical spectroscopy of ultimately thin materials has significantly enhanced our understanding of collective excitations in low-dimensional semiconductors. This is particularly ref…
Excited states of neutral and charged excitons in single strongly asymmetric InP-based nanostructures emitting in the telecom C band
M. Gawełczyk, P. Wyborski, P. Podemski +3
We investigate strongly asymmetric self-assembled nanostructures with one of dimensions reaching hundreds of nanometers. Close to the nanowire-like type of confinement, such object…
InP-based single-photon sources operating at telecom C-band with increased extraction efficiency
A. Musiał, M. Mikulicz, P. Mrowiński +7
In this work we demonstrate a triggered single-photon source operating at the telecom C-band with photon extraction efficiency exceeding any reported values in this range. The non-…
Optical and electronic properties of symmetric InAs/InGaAlAs/InP quantum dots formed by a ripening process in molecular beam epitaxy: a promising system for broad-range single-photon telecom emitters
Paweł Holewa, Michał Gawełczyk, Aleksander Maryński +5
We present a detailed experimental optical study supported by theoretical modeling of InAs quantum dots (QDs) embedded in an InAlGaAs barrier lattice-matched to InP(001) grown with…
Optical and electronic properties of low-density InAs/InP quantum dot-like structures devoted to single-photon emitters at telecom wavelengths
P. Holewa, M. Gawełczyk, C. Ciostek +4
Due to their band-structure and optical properties, InAs/InP quantum dots (QDs) constitute a promising system for single-photon generation at third telecom window of silica fibers…
Single dot photoluminescence excitation spectroscopy in the telecommunication spectral range
Paweł Podemski, Aleksander Maryński, Paweł Wyborski +3
Single dot photoluminescence excitation spectroscopy provides an insight into energy structure of individual quantum dots, energy transfer processes within and between the dots and…