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Electronic quantum optics

Abstract : The last ten years saw tremendous progress in nanofabrication techniques. These progresses allowed the realization of experimental protocols aiming at the manipulation of single electrons in nanostructures. Thus, the advent of these technologies permit to envision the realization of electronic analogues of quantum optics experiments. This thesis is devoted to the theoretical study of quantum optics with electrons propagating in quantum Hall edge channels, in analogy with Glauber's theory for the quantum coherence of the electromagnetic field. The proposed formalism underlines the analogies and differences between photons propagating in the vacuum and electrons in ballistic conductors. In particular, it takes into account the decoherence and relaxation of electronic excitations under the influence of a linear electromagnetic environment. All along this thesis, efforts have been made to propose protocols aiming at accessing experimental quantities related to the coherence properties described by the electron quantum optics formalism. A particular example is a single electron quantum tomography protocol which reconstructs the single particle coherence from current noise measurements. This protocol can also be envisioned to probe decoherence mechanisms.
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https://tel.archives-ouvertes.fr/tel-00617869
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Submitted on : Thursday, January 5, 2012 - 5:03:02 PM
Last modification on : Thursday, April 19, 2018 - 2:54:03 PM
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  • HAL Id : tel-00617869, version 2

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Charles Grenier. Electronic quantum optics. Physics [physics]. Ecole normale supérieure de lyon - ENS LYON, 2011. English. ⟨NNT : 2011ENSL0627⟩. ⟨tel-00617869v2⟩

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