Coherent quantum optics, where the phase of a photon is not scrambled as it interacts with
an emitter, lies at the heart of many quantum optical effects and emerging technologies …

Quantum optics with giant atoms has provided a new paradigm to study photon scatterings.
In this work, we investigate the nontrivial single-photon scattering properties of giant atoms …

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 can be …

Giant atoms are a new paradigm of quantum optics going beyond the usual local coupling.
Building on this, a new type of decoherence-free (DF) many-body Hamiltonians was shown …

It is known that the superposition of two bound states in the continuum (BICs) leads to the
phenomenon of an oscillating bound state, where excitations mediated by the continuum …

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 …

We develop a new computational tool and framework for characterizing the scattering of
photons by energy-nonconserving Hamiltonians into unidirectional (chiral) waveguides, for …

The effective description of the weak interaction between an emitter and a bosonic field as a
sequence of two-body collisions provides a simple intuitive picture compared to traditional …

We study the non-Markovian dynamics of a two-level giant atom interacting with a one-
dimensional semi-infinite waveguide through multiple coupling points, where a perfect …

The single-photon routing properties in the system composed of two waveguides and two
coupled cavities interacting with a two-level system are investigated theoretically. The …