Two-photon absorption by a quantum dot pair

Michael Scheibner

doi:10.1103/PhysRevB.92.081411

2015-08-31

DOI：10.1103/PhysRevB.92.081411

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摘要

En 中文

The biexciton absorption spectrum of a pair of InAs/GaAs quantum dots is being studied by photoluminescence excitation spectroscopy. An absorption resonance with the characteristics of an instantaneous two-photon process reveals a coherent interdot two-photon transition. Pauli-selective tunneling is being used to demonstrate the transduction of the two-photon coherence into a nonlocal spin singlet state. The two-photon transition can be tuned spectrally by electric field, enabling amplification of its transition strength.

Keyword:

MEMORY

SPIN

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期刊

Physical Review B

IF:

3.7

论文数:

15.4W

被引数:

41.0W

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University of California Merced

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2.3K

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被引数: 2

University of California System

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United States Department of Defense

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2.8W

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被引数: 172

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