Creating large Fock states and massively squeezed states in optics using systems with nonlinear bound states in the continuum

N Rivera, J Sloan, Y Salamin… - Proceedings of the …, 2023 - National Acad Sciences
The quantization of the electromagnetic field leads directly to the existence of quantum
mechanical states, called Fock states, with an exact integer number of photons. Despite …

Epitaxial quantum dots: a semiconductor launchpad for photonic quantum technologies

X Zhou, L Zhai, J Liu - Photonics Insights, 2023 - spiedigitallibrary.org
Epitaxial quantum dots formed by III–V compound semiconductors are excellent sources of
non-classical photons, creating single photons and entangled multi-photon states on …

[HTML][HTML] Democratization of quantum technologies

ZC Seskir, S Umbrello, C Coenen… - Quantum Science and …, 2023 - iopscience.iop.org
As quantum technologies (QT) advance, their potential impact on and relation with society
has been developing into an important issue for exploration. In this paper, we investigate the …

[HTML][HTML] Fast multi-source nanophotonic simulations using augmented partial factorization

HC Lin, Z Wang, CW Hsu - Nature Computational Science, 2022 - nature.com
Numerical solutions of Maxwell's equations are indispensable for nanophotonics and
electromagnetics but are constrained when it comes to large systems, especially multi …

Complex quantum networks: a topical review

J Nokkala, J Piilo, G Bianconi - Journal of Physics A …, 2024 - iopscience.iop.org
These are exciting times for quantum physics as new quantum technologies are expected to
soon transform computing at an unprecedented level. Simultaneously network science is …

Quantum entropy and central limit theorem

K Bu, W Gu, A Jaffe - … of the National Academy of Sciences, 2023 - National Acad Sciences
We introduce a framework to study discrete-variable (DV) quantum systems based on qudits.
It relies on notions of a mean state (MS), a minimal stabilizer-projection state (MSPS), and a …

[HTML][HTML] Gottesman-Kitaev-Preskill qubit synthesizer for propagating light

K Takase, K Fukui, A Kawasaki, W Asavanant… - npj Quantum …, 2023 - nature.com
Practical quantum computing requires robust encoding of logical qubits in physical systems
to protect fragile quantum information. Currently, the lack of scalability limits the logical …

Photonic Source of Heralded Greenberger-Horne-Zeilinger States

H Cao, LM Hansen, F Giorgino, L Carosini, P Zahálka… - Physical Review Letters, 2024 - APS
Generating large multiphoton entangled states is of main interest due to enabling universal
photonic quantum computing and all-optical quantum repeater nodes. These applications …

Scalable photonic platform for real-time quantum reservoir computing

J García-Beni, GL Giorgi, MC Soriano, R Zambrini - Physical Review Applied, 2023 - APS
Quantum reservoir computing (QRC) exploits the information-processing capabilities of
quantum systems to solve nontrivial temporal tasks, improving over their classical …

Gradient-descent quantum process tomography by learning Kraus operators

S Ahmed, F Quijandría, AF Kockum - Physical Review Letters, 2023 - APS
We perform quantum process tomography (QPT) for both discrete-and continuous-variable
quantum systems by learning a process representation using Kraus operators. The Kraus …