Group III–V semiconductors are based on the elements of groups III and V of the periodic
table. The possibility to grow thin-films made of binary, ternary, and quaternary III–V alloys …

Practical applications implementing integrated photonic circuits can benefit from nonlinear
optical functionalities such as wavelength conversion, all-optical signal processing, and …

Abstract Second-order (χ (2)) optical nonlinearity is one of the most common mechanisms for
modulating and generating coherent light in photonic devices. Due to strong photon …

We propose a unified description of intersubband absorption saturation for quantum wells
inserted in a resonator, both in the weak and strong light-matter coupling regimes. We …

Despite appealing high-symmetry properties that enable strong spatial confinement and
ultrahigh-Q, optical whispering-gallery modes of spherical and circular resonators have …

Gallium arsenide optical resonators have been identified as platforms for light-matter
interactions ranging from optomechanics to quantum electrodynamics involving nonlinear …

In semiconductor nano-optomechanical resonators, several forms of light-matter interaction
can enrich the canonical radiation pressure coupling of light and mechanical motion and …

Nanophotonics systems have recently been studied under the perspective of non-Hermitian
physics. Given their potential for wavefront control, nonlinear optics and quantum optics, it is …

Hybrid optomechanics is a field of research at the crossroads of optics, quantum electro-
dynamics, and mechanical micro-devices. This thesis deals with the design, fabrication, and …

The focus of this PhD research is the theoretical study of the generation of nonclassical
states of light by parametric fluorescence in integrated devices. The analyzed quantum …