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Controllable Storage and Retrieval of Temporal Vector Optical Solitons in Semiconductor Double Quantum Dots by Inter-Dot Tunneling Coupling Effect

Yanchao She, Ying Zeng, Mingqi Xu, Weixi Zhang, Hong Yang

Published Jan 1, 2023• 0 citations
Publisher
DOI
10.2139/ssrn.4463897

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We study the propagation properties of a probe field in an aligned asymmetric triple quantum dot molecule with both sides inter-dot tunneling coupling effect. It is shown that the probe field can form optical soliton due to the destructive quantum interference induced by the quantum inter-dot tunneling coupling effect. Interestingly, these optical solitons can be stored and retrieved by adjusting single or double inter-dot tunneling coupling effect, different from that light memory in the ultra-cold atom system. Furthermore, we also find that the amplitude of the stored optical soliton can be adjusted by the strength of the single or double inter-dot tunneling coupling. It is possible to improve the stability and the fidelity of the optical information in the process of the storage and retrieval in semiconductor quantum dots devices.