Experimental realization of a Fabry-Perot-type interferometer by co-propagating edge states in the quantum Hall regime

Details Experimental realization of a Fabry-Perot-type interferometer by co-propagating edge states in the quantum Hall regime Experimental realization of a Fabry-Perot-type interferometer by co-propagating edge states in the quantum Hall regime

2007-12-10

arxiv.org/abs/0712.1490v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Final version, to appear in PRB

Scientific paper

10.1103/PhysRevB.77.161302

A Fabry-Perot-type interferometer is experimentally realized for electrons in a semiconductor device. A special experimental geometry creates interference conditions for co-propagating electrons in quantum Hall edge states, which results in oscillations of the current through the device. The visibility of these oscillations is found to increase at the high-field edge of the quantum Hall plateau.

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