Journal
PHYSICAL REVIEW A
Volume 82, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.82.012323
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Funding
- Natural Science Foundation of China [10704017, 10874050, 10975054]
- National Basic Research Program of China [2005CB724508]
- Foundation of the Ministry of National Education of China [200804870051]
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A simple scheme is proposed to achieve three-mode continuous-variable (CV) entanglement in a coupled triple-semiconductor quantum-well (TSQW) structure via tunneling-induced interference. In the present scheme, the TSQW structure is trapped into a triply resonant cavity, and the tunneling-induced interference effects considered here are the key to realizing entanglement. By numerically simulating the dynamics of the system, we show that the strength of tunneling-induced interference can effectively influence the period of entanglement, and the generation of entanglement does not depend intensively on the initial condition of the cavity field in our scheme. As a result, the present research provides an efficient approach to achieve three-mode CV entanglement in a semiconductor nanostructure, which may have an impact on the progress of solid-state quantum-information theory.
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