Doctoral theses

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Identifier	000466133
Title	Generation of optical Schrödinger "cat" and entangled states using intense laser-atom interactions
Alternative Title	Παραγωγή Schrödinger "γατών" και διεμπλεκόμενων καταστάσεων φωτός με χρήση ισχυρών αλληλεπιδράσεων λέιζερ με άτομα
Author	Λάμπρου, Θεοχάρης Σ
Thesis advisor	Τζάλλας, Παρασκευάς
Reviewer	Κομίνης, Ιωάννης Νικολόπουλος, Γεώργιος
Abstract	The interaction of atoms with intense laser pulses leads to the generation of high harmonics, where the low-frequency photons of a driving laser field are converted into photons of higher frequencies. This process is one of the most fundamental processes in strong laser physics. It has been used in numerous fascinating achievements in atomic, molecular and optical physics, and it is at the core of attosecond science. Until recently, the process of High Harmonic Generation (HHG) has been successfully described by classical or semi-classical strong-field approximations, which treat the electromagnetic field classically. This has been recently changed. In our recent theoretical and experimental investigations, conducted using fully quantized approaches in intense laser-atom interactions, we have shown that quantum operations in the high harmonic generation process, can lead to the generation of optical Schrödinger "cat" states and entangled light states with controllable quantum features. Here, I describe these developments emphasizing in our recent findings on the generation of intense optical "cat" states for applications in non-linear optics. These findings mark the initiation of a diverse range of new investigations and exciting developments. I will also discuss how we aspire to utilize strongly laser-driven materials for the development of a new class of non-classical and massively entangled states for novel applications in quantum technologies.
Language	English
Subject	High harmonic generation
	Non-linear quantum optics
	Quantum electrodynamics
	Quantum light
	Quantum optics
	Κβαντική ηλεκτροδυναμική
	Κβαντική οπτική
	Κβαντικό φως
	Μη γραμμική κβαντική οπτική
	Παραγωγή υψηλών αρμονικών
Issue date	2024-09-09
Collection	School/Department--School of Sciences and Engineering--Department of Physics--Doctoral theses
	Type of Work--Doctoral theses
Permanent Link	https://elocus.lib.uoc.gr//dlib/b/2/c/metadata-dlib-1721118075-167902-20906.tkl
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