Cardano, Filippo (2015) Engineering spin and orbital angular momentum interactions in a light beam: quantum and classical applications. [Tesi di dottorato]

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Item Type: Tesi di dottorato
Lingua: English
Title: Engineering spin and orbital angular momentum interactions in a light beam: quantum and classical applications
Creators:
CreatorsEmail
Cardano, Filippofilippocardano@gmail.com
Date: 31 March 2015
Institution: Università degli Studi di Napoli Federico II
Department: Fisica
Scuola di dottorato: Scienze fisiche
Dottorato: Fisica fondamentale ed applicata
Ciclo di dottorato: 27
Coordinatore del Corso di dottorato:
nomeemail
Velotta, Raffaelervelotta@unina.it
Tutor:
nomeemail
Marrucci, LorenzoUNSPECIFIED
Santamato, EnricoUNSPECIFIED
Date: 31 March 2015
Uncontrolled Keywords: optics; angular momentum of light; singular optics; quantum simulation; spin-orbit coupling
Settori scientifico-disciplinari del MIUR: Area 02 - Scienze fisiche > FIS/03 - Fisica della materia
Aree tematiche (7° programma Quadro): NANOSCIENZE, NANOTECNOLOGIE, MATERIALE E PRODUZIONE > Nanoscienze e Nanotecnologie
Date Deposited: 14 Apr 2015 09:14
Last Modified: 12 May 2016 01:00
URI: http://www.fedoa.unina.it/id/eprint/10238
DOI: 10.6092/UNINA/FEDOA/10238

Abstract

The angular momentum of light is a useful resource for many applications. In specific physical architectures it can be considered as the sum of two independent terms, the spin and the orbital components, in analogy to particle systems. The spin angular momentum is related to the polarization of the optical beam, that is the direction of the oscillating electric field, whereas the orbital angular momentum is associated with the spatial distribution of the field. Being independent, spin and orbital angular momenta have been discovered and explored in separate contexts for many years, while only recently it has been considered the possibility to address both quantities on the same beam (or individual photons). The interaction between these two quantities gives rise to complex structures of the electromagnetic field, or to the so called classical entanglement in the domain of single photons. The research presented in this work aimed to show that combining spin and orbital angular momenta in light beams or single photons may be a useful tool for a variety of applications, with particular interest to the case of architectures characterized by spin-orbit interaction. This concept was made concrete through the design and the realization of several experiments, in the framework of singular optics, foundations of quantum mechanics, quantum information theory and quantum simulation.

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