171 citations · 425 across the 22 of their papers we have counts for
23 papers
Quantum Light Detection with Enhanced Photonic Neural Network
Stanisław Świerczewski, Dogyun Ko, Amir Rahmani +7
Advances in quantum technologies are accelerating the demand for optical quantum state sensors that combine high precision, versatility, and scalability within a unified hardware p…
Spectroscopy on a single nonlinear mode recognizes quantum states
Wouter Verstraelen, Stanisław Świerczewski, Andrzej Opala +7
Characterising optical quantum states is essential for the development of quantum technologies. While traditional approaches to perform full quantum state tomography are often expe…
Chiral polariton transport enabled by optical spin Hall effect in perovskite waveguides
Mateusz Kędziora, Andrzej Opala, Maciej Zaremba +2
Controlling the spin degree of freedom of light at the microscale is crucial for advancing photonic information processing. Spin polarized light propagation, combined with strong o…
Quantization of Polaritons Confined in Dielectric Structures
Amir Rahmani, Dogyun Ko, Maciej Dems +2
Light-matter interaction in the regime of strong quantum coupling is usually treated within the framework of the Hopfield model. However, the picture of coupling well-defined modes…
Phase-Space Framework for Noisy Intermediate-Scale Quantum Optical Neural Networks
Stanisław Świerczewski, Wouter Verstraelen, Piotr Deuar +4
Quantum optical neural networks (QONNs) enable information processing beyond classical limits by exploiting the advantages of classical and quantum optics. However, simulation of l…
Estimation of the second-order coherence function using quantum reservoir and ensemble methods
Dogyun Ko, Stanisław Świerczewski, Andrzej Opala +2
We propose a machine learning-based approach enhanced by quantum reservoir computing (QRC) to estimate the zero-time second-order correlation function g2(0). Typically, measuring g…
Optically trapped exciton-polariton condensates in a perovskite microcavity
Maciej Zaremba, Mateusz Kędziora, Laura Stańco +8
We demonstrate room temperature optical trapping and generation of high-order angular harmonics in exciton-polariton condensates in a monocrystalline CsPbBr perovskite-filled m…
Room temperature exciton-polariton neural network with perovskite crystal
Andrzej Opala, Krzysztof Tyszka, Mateusz Kędziora +7
Limitations of electronics have stimulated the search for novel unconventional computing platforms that enable energy-efficient and ultra-fast information processing. Among various…
Non-Hermitian polariton-photon coupling in a perovskite open microcavity
Mateusz Kędziora, Mateusz Król, Piotr Kapuściński +7
Exploring the non-Hermitian properties of semiconductor materials for optical applications is at the forefront of photonic research. However, the selection of appropriate systems t…
Exceptional points and phase transitions in non-Hermitian binary systems
Amir Rahmani, Andrzej Opala, Michał Matuszewski
Recent study demonstrated that steady states of a polariton system may show a first-order dissipative phase transition with an exceptional point that appears as an endpoint of the…
The role of all-optical neural networks
Michał Matuszewski, Adam Prystupiuk, Andrzej Opala
In light of recent achievements in optical computing and machine learning, we consider the conditions under which all-optical computing may surpass electronic and optoelectronic co…
Natural exceptional points in the excitation spectrum of a light-matter system
Andrzej Opala, Magdalena Furman, Mateusz Król +7
We observe natural exceptional points in the excitation spectrum of an exciton-polariton system by optically tuning the light-matter interactions. The observed exceptional points d…
Harnessing exciton-polaritons for digital computing, neuromorphic computing, and optimization
Andrzej Opala, Michał Matuszewski
Polaritons are quasiparticles resulting from strong quantum coupling of light and matter. Peculiar properties of polaritons are a mixture of physics usually restricted to one of th…
Non-Hermitian synthetic lattices with light-matter coupling
Amir Rahmani, Mateusz Kędziora, Andrzej Opala +1
We propose that light-matter coupling can be used to realize synthetic lattices. In particular, we consider a one-dimensional chain of exciton-photon sites to create a comb lattice…
Training a neural network with exciton-polariton optical nonlinearity
Andrzej Opala, Riccardo Panico, Vincenzo Ardizzone +5
In contrast to software simulations of neural networks, hardware implementations have often limited or no tunability. While such networks promise great improvements in terms of spe…
Observation of second order meron polarisation textures in optical microcavities
M. Król, H. Sigurdsson, K. Rechcińska +12
Multicomponent Bose-Einstein condensates, quantum Hall systems, and chiral magnetic materials display twists and knots in the continuous symmetries of their order parameter, known…
Reconstructing quantum states with quantum reservoir networks
Sanjib Ghosh, Andrzej Opala, Michał Matuszewski +2
Reconstructing quantum states is an important task for various emerging quantum technologies. The process of reconstructing the density matrix of a quantum state is known as quantu…
Polaritonic neuromorphic computing outperforms linear classifiers
D. Ballarini, A. Gianfrate, R. Panico +10
Machine learning software applications are nowadays ubiquitous in many fields of science and society for their outstanding capability of solving computationally vast problems like…
Critical dynamics and tree-like spatiotemporal patterns in exciton-polaritoncondensates
Nataliya Bobrovska, Andrzej Opala, Paweł Miętki +4
We study nonresonantly pumped exciton-polariton system in the vicinity of the dynamical instability threshold. We find that the system exhibits unique and rich dynamics, which lead…
Quantum reservoir processing
Sanjib Ghosh, Andrzej Opala, Michał Matuszewski +2
The concurrent rise of artificial intelligence and quantum information poses opportunity for creating interdisciplinary technologies like quantum neural networks. Quantum reservoir…
Theory of relaxation oscillations in exciton-polariton condensates
Andrzej Opala, Maciej Pieczarka, Michał Matuszewski
We provide an analytical and numerical description of relaxation oscillations in the nonresonantly pumped polariton condensate. The presented considerations are based on the open d…
Dynamics of defect-induced dark solitons in an exciton-polariton condensate
Andrzej Opala, Maciej Pieczarka, Nataliya Bobrovska +1
We study theoretically the emission of dark solitons induced by a moving defect in a nonresonantly pumped exciton-polariton condensate. The number of created dark solitons per unit…
Relaxation Oscillations and Ultrafast Emission Pulses in a Disordered Expanding Polariton Condensate
Maciej Pieczarka, Marcin Syperek, Łukasz Dusanowski +5
Semiconductor microcavities are often influenced by structural imperfections, which can disturb the flow and dynamics of exciton-polariton condensates. Additionally, in exciton-pol…