208 citations · 790 across the 17 of their papers we have counts for
17 papers
Many-body quantum dimerization in 2D atomic arrays
Giuseppe Calajò, Matija Tečer, Simone Montangero +2
We consider a 2D atomic array coupled to different photonic environments, focusing on the half-filled excitation subspace, where strong photon interactions can give rise to complex…
Many-body enhancement of energy storage in a waveguide-QED quantum battery
Salvatore Tirone, Gian Marcello Andolina, Giuseppe Calajò +2
Quantum batteries have demonstrated remarkable charging properties, showing that a quantum advantage is possible in the realm of quantum thermodynamics. However, finding an effecti…
Quantum Many-Body Scarring in a Non-Abelian Lattice Gauge Theory
Giuseppe Calajò, Giovanni Cataldi, Marco Rigobello +5
Quantum many-body scarring (QMBS) is an intriguing mechanism of weak ergodicity breaking that has recently spurred significant attention. Particularly prominent in Abelian lattice…
Multimode-cavity picture of non-Markovian waveguide QED
Dario Cilluffo, Luca Ferialdi, G. Massimo Palma +2
We introduce a picture to describe and intrepret waveguide-QED problems in the non-Markovian regime of long photonic retardation times resulting in delayed coherent feedback. The f…
Digital quantum simulation of a (1+1)D SU(2) lattice gauge theory with ion qudits
Giuseppe Calajò, Giuseppe Magnifico, Claire Edmunds +3
We present a quantum simulation strategy for a (1+1)D SU(2) non-abelian lattice gauge theory with dynamical matter, a hardcore-gluon Hamiltonian Yang-Mills, tailored to a six-level…
Strongly interacting photons in 2D waveguide QED
Matija Tečer, Marco Di Liberto, Pietro Silvi +3
One dimensional confinement in waveguide Quantum Electrodynamics (QED) plays a crucial role to enhance light-matter interactions and to induce a strong quantum nonlinear optical re…
Valley-hybridized gate-tunable 1D exciton confinement in MoSe2
Maximilian Heithoff, Álvaro Moreno, Iacopo Torre +14
Controlling excitons at the nanoscale in semiconductor materials represents a formidable challenge in the fields of quantum photonics and optoelectronics. Achieving this control ho…
Nonlinear quantum logic with colliding graphene plasmons
Giuseppe Calajò, Philipp K. Jenke, Lee A. Rozema +3
Graphene has emerged as a promising platform to bring nonlinear quantum optics to the nanoscale, where a large intrinsic optical nonlinearity enables long-lived and actively tunabl…
Emergence of solitons from many-body photon bound states in quantum nonlinear media
Giuseppe Calajo, Darrick E. Chang
Solitons are known to occur in the context of atom-light interaction via the well-known semi-classical phenomenon of self-induced transparency (SIT). Separately, in the regime wher…
Exotic interactions mediated by a non-Hermitian photonic bath
Federico Roccati, Salvatore Lorenzo, Giuseppe Calajò +3
Photon-mediated interactions between quantum emitters in engineered photonic baths is an emerging area of quantum optics. At the same time, non-Hermitian (NH) physics is currently…
Extensible quantum simulation architecture based on atom-photon bound states in an array of high-impedance resonators
Marco Scigliuzzo, Giuseppe Calajò, Francesco Ciccarello +7
Engineering the electromagnetic environment of a quantum emitter gives rise to a plethora of exotic light-matter interactions. In particular, photonic lattices can seed long-lived…
Dynamics of many-body photon bound states in chiral waveguide QED
Sahand Mahmoodian, Giuseppe Calajó, Darrick E. Chang +2
We theoretically study the few- and many-body dynamics of photons in chiral waveguides. In particular, we examine pulse propagation through a system of two-level systems chiral…
Quantum acousto-optic control of light-matter interactions in nanophotonic networks
G. Calajo, M. J. A. Schuetz, H. Pichler +4
We analyze the coupling of atoms or atom-like emitters to nanophotonic waveguides in the presence of propagating acoustic waves. Specifically, we show that strong index modulations…
Exciting a Bound State in the Continuum through Multi-Photon Scattering plus Delayed Quantum Feedback
Giuseppe Calajò, Yao-Lung L. Fang, Harold U. Baranger +1
Excitation of a bound state in the continuum (BIC) through scattering is problematic since it is by definition uncoupled. Here, we consider a type of dressed BIC and show that it c…
Control of spontaneous emission of a single quantum emitter through a time-modulated photonic-band-gap environment
Giuseppe Calajò, Lucia Rizzuto, Roberto Passante
We consider the spontaneous emission of a two-level quantum emitter, such as an atom or a quantum dot, in a modulated time-dependent environment with a photonic band gap. An exampl…
Strong coupling between moving atoms and slow-light Cherenkov photons
Giuseppe Calajo, Peter Rabl
We describe the coupling of moving atoms to a one dimensional photonic waveguide in the regime where the atomic velocities are comparable to the effective speed of light. Such cond…
Atom-field dressed states in slow-light waveguide QED
Giuseppe Calajo, Francesco Ciccarello, Darrick Chang +1
We discuss the properties of atom-photon bound states in waveguide QED systems consisting of single or multiple atoms coupled strongly to a finite-bandwidth photonic channel. Such…