Ultrafast geometric manipulation of electron spin and detection of the geometric phase via Faraday rotation spectroscopy

Details Ultrafast geometric manipulation of electron spin and detection of the geometric phase via Faraday rotation spectroscopy Ultrafast geometric manipulation of electron spin and detection of the geometric phase via Faraday rotation spectroscopy

2002-10-17

arxiv.org/abs/quant-ph/0210128v1

Phys. Rev. B 66, 235207 (2002)

Physics

Quantum Physics

4 pages, 3 figures, to appear in Phys. Rev. B

Scientific paper

10.1103/PhysRevB.66.235207

Time-resolved Faraday rotation spectroscopy is currently exploited as a powerful technique to probe spin dynamics in semiconductors. We propose here an all-optical approach to geometrically manipulate electron spin and to detect the geometric phase by this type of extremely sensitive experiment. The global nature of the geometric phase can make the quantum manipulation more stable, which may find interesting application in quantum devices.

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