Electron quantum optics in quantum Hall edge channels

Abstract

In this paper, we review recent developments in the emerging field of electron quantum optics, stressing analogies and differences with the usual case of photon quantum optics. Electron quantum optics aims at preparing, manipulating and measuring coherent single electron excitations propagating in ballistic conductors such as the edge channels of a 2DEG in the integer quantum Hall regime. Because of the Fermi statistics and the presence of strong interactions, electron quantum optics exhibits new features compared to the usual case of photon quantum optics. In particular, it provides a natural playground to understand decoherence and relaxation effects in quantum transport.

13 pages, 6 figures. To appear in the proceedings of StatPhys 24 satellite conference on "International Conference on Frustrated Spin Systems, Cold Atoms and Nanomaterials" held in Hanoi (14-16 July 2010)

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• An On-Demand Coherent Single Electron Source
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• A high sensitivity ultra-low temperature RF conductance and noise measurement setup
• Universal dephasing in a chiral 1D interacting fermion system