Theoretical description of light emission in the presence of nanoscale resonators: from classical scattering to photon states entanglement and statistics

PhD Program

Speaker
by Álvaro Nodar
When
2023/05/19
11:00
Place
Auditorium CFM, Donostia / San Sebastián
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Theoretical description of light emission in the presence of nanoscale resonators: from classical scattering to photon states entanglement and statistics
Scheme of one of the systems studied in this thesis: an incoherently driven molecule is placed in the nanocavity formed between two spherical gold nanoparticles. The statistics of the emitted light change from strongly antibunched to strongly bunched as the molecule-nanocavity coupling strength is increased


PhD Thesis defense by Álvaro Nodar

Supervisors: Javier Aizpurua (CFM, DIPC) and Ruben Esteban (CFM, DIPC)

This thesis is devoted to studying the interaction of classical and quantum light states with photonic nanostructures in different configurations. Two main scenarios are explored: the first one consists of a photonic nanostructure interacting with a quantum emitter, such as a molecule or a quantum dot. We analyze the asymmetry in the Fano resonance that originates within the classical response of the emitter-nanostructure system. We also analyze the quantum statistics of the photons emitted in this configuration as a function of the coupling strength between the nanostructure and the emitter. In the second scenario considered in this thesis, we explore how the properties of a quantum state formed by two entangled photons change when scattered by a photonic nanostructure.