Light–matter interactions in quantum nanophotonic devices

A González-Tudela, A Reiserer… - Nature Reviews …, 2024 - nature.com
Nanophotonics offers opportunities for engineering and exploiting the quantum properties of
light by integrating quantum emitters into nanostructures, and offering reliable paths to …

Decoherence-free interaction between giant atoms in waveguide quantum electrodynamics

AF Kockum, G Johansson, F Nori - Physical review letters, 2018 - APS
In quantum-optics experiments with both natural and artificial atoms, the atoms are usually
small enough that they can be approximated as pointlike compared to the wavelength of the …

Oscillating bound states for a giant atom

L Guo, AF Kockum, F Marquardt, G Johansson - Physical Review Research, 2020 - APS
We investigate the relaxation dynamics of a single artificial atom interacting, via multiple
coupling points, with a continuum of bosonic modes (photons or phonons) in a one …

Non-Markovian collective emission from macroscopically separated emitters

K Sinha, P Meystre, EA Goldschmidt, FK Fatemi… - Physical review …, 2020 - APS
We study the collective radiative decay of a system of two two-level emitters coupled to a
one-dimensional waveguide in a regime where their separation is comparable to the …

Collective radiance of giant atoms in non-Markovian regime

QY Qiu, Y Wu, XY Lü - Science China Physics, Mechanics & Astronomy, 2023 - Springer
We investigate the non-Markovian dynamics of two giant artificial atoms interacting with a
continuum of bosonic modes in a one-dimensional (1D) waveguide. Based on the …

Qubit-photon bound states in topological waveguides with long-range hop**s

C Vega, M Bello, D Porras, A González-Tudela - Physical Review A, 2021 - APS
Quantum emitters interacting with photonic band-gap materials lead to the appearance of
qubit-photon bound states that mediate decoherence-free, tunable emitter-emitter …

Circuit quantum electrodynamics in hyperbolic space: from photon bound states to frustrated spin models

P Bienias, I Boettcher, R Belyansky, AJ Kollár… - Physical Review Letters, 2022 - APS
Circuit quantum electrodynamics is one of the most promising platforms for efficient quantum
simulation and computation. In recent groundbreaking experiments, the immense flexibility …

Machine learning non-Markovian quantum dynamics

IA Luchnikov, SV Vintskevich, DA Grigoriev… - Physical review …, 2020 - APS
Machine learning methods have proved to be useful for the recognition of patterns in
statistical data. The measurement outcomes are intrinsically random in quantum physics …

Simulation complexity of open quantum dynamics: Connection with tensor networks

IA Luchnikov, SV Vintskevich, H Ouerdane… - Physical review letters, 2019 - APS
The difficulty to simulate the dynamics of open quantum systems resides in their coupling to
many-body reservoirs with exponentially large Hilbert space. Applying a tensor network …

Vacancy-like dressed states in topological waveguide QED

L Leonforte, A Carollo, F Ciccarello - Physical Review Letters, 2021 - APS
We identify a class of dressed atom-photon states forming at the same energy of the atom at
any coupling strength. As a hallmark, their photonic component is an eigenstate of the bare …