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C. YU1,2,* , L. SUN1,2, H. ZHANG1,2, F. CHEN1,2
- School of Physics and Optoelectronic Engineering, Yangtze University, Jingzhou, 434023, China
- nstitute of Quantum Optics and Information Photonics, Yangtze University, Jingzhou 434023, China
The optical bistability (OB) in a quantum dot (QD) system with four cascade energy levels by two coupling field inside unidirectional ring cavity is theoretically investigated. It is shown that the OB behavior can be controlled by suitable adjusting the system parameters such as the electronic cooperation parameter, the probe laser frequency detuning, the two coupling laser field and frequency detuning, and the decay rate. Such a system may be used in optical switching and other quantum information science..
Optical bistability, Quantum dot, Cascade, Optical switching.
Submitted at: Sept. 18, 2018
Accepted at: April 8, 2019
C. YU, L. SUN, H. ZHANG, F. CHEN, Optical bistability in quantum dot with four cascade energy levels, Journal of Optoelectronics and Advanced Materials Vol. 21, Iss. 3-4, pp. 194-200 (2019)
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