Giant fifth-order nonlinearity via tunneling induced quantum interference in triple quantum dots
Source abstract
Abstract
Schemes for giant fifth-order nonlinearity via tunneling in both linear and triangular triple quantum dots are proposed. In both configurations, the real part of the fifth-order nonlinearity can be greatly enhanced, and simultaneously the absorption is suppressed. The analytical expression and the dressed states of the system show that the two tunnelings between the neighboring quantum dots can induce quantum interference, resulting in the giant higher-order nonlinearity. The scheme proposed here may have important applications in quantum information processing at low light level.
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Research context
OpenAlex topics: Quantum optics and atomic interactions · Quantum Information and Cryptography · Optical Network Technologies
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Affiliations
Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences 1 State Key laboratory of Luminescence and Applications, , Changchun 130033, China
Shaanxi Normal University 2 School of Physics and Information Technology, , Xi’an 710062, China
Funding
International Science Technology Cooperation Program of China · National Basic Research Program of China · National Natural Science Foundation of China · Natural Science Foundation of Jilin Province
References (42)
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