Hermitian and non-Hermitian topology from photon-mediated interactions

F Roccati, M Bello, Z Gong, M Ueda… - Nature …, 2024 - nature.com
As light can mediate interactions between atoms in a photonic environment, engineering it
for endowing the photon-mediated Hamiltonian with desired features, like robustness …

Quantum optics with giant atoms in a structured photonic bath

L Leonforte, X Sun, D Valenti, B Spagnolo… - Quantum Science …, 2024 - iopscience.iop.org
We present a general framework to tackle quantum optics problems with giant atoms, ie
quantum emitters each coupled non-locally to a structured photonic bath (typically a lattice) …

Strongly interacting photons in 2D waveguide QED

M Tečer, M Di Liberto, P Silvi, S Montangero… - Physical Review Letters, 2024 - APS
One-dimensional confinement in waveguide quantum electrodynamics (QED) plays a
crucial role to enhance light-matter interactions and to induce a strong quantum nonlinear …

Fermionic matter-wave quantum optics with cold-atom impurity models

B Windt, M Bello, E Demler, JI Cirac - Physical Review A, 2024 - APS
Motivated by recent cold-atom realizations of matter-wave waveguide QED, we study simple
fermionic impurity models and discuss fermionic analogs of several paradigmatic …

Topological waveguide quantum sensors

T Zhang, J Hu, X Qiu - arXiv preprint arXiv:2311.01370, 2023 - arxiv.org
We present an efficient and robust protocol for quantum-enhanced sensing using a single-
spin qubit in the topological waveguide system. Our method relies on the topological-paired …

Light-matter interactions in a Hofstadter lattice with next-nearest-neighbor couplings

JQ Li, ZM Gao, WX Liu, X Wang - Physical Review A, 2023 - APS
The light-matter interactions for an emitter coupling to the bulk region of a Hofstadter lattice
were recently investigated by De Bernardis et al.[Phys. Rev. Lett. 126, 103603 (2021) …