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Linear and nonlinear optical phenomena in quantum dot systems in interlevel resonance region: effect of electron-electron interaction

机译:层间共振区域量子点系统中的线性和非线性光学现象:电子-电子相互作用的影响

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摘要

Linear and nonlinear optical phenomena in quantum dot (QD) systems caused by interlevel transitions are investigated theoretically. The electron-electron (e-e) interaction is taken into account by employing the self-consistent field approach in the quasistatic limit. It is shown that presence of metal surface, and especially another resonant system, can dramatically enhance the effect of the e-e interaction on the optical phenomena. The conditions for the intrinsic optical bistability in QD systems caused by the e-e interaction are discussed. The obtained results can find applications for designing, manufacturing, and exploiting nanooptoelectronics devices, in part, all-optical components like QD-based optical switches and optical transistors.
机译:理论上研究了由能级跃迁引起的量子点(QD)系统中的线性和非线性光学现象。通过在准静态极限中采用自洽场方法,可以考虑电子-电子(e-e)相互作用。结果表明,金属表面,尤其是另一个共振系统的存在,可以大大增强电子相互作用对光学现象的影响。讨论了由电子相互作用引起的量子点系统固有光学双稳态的条件。获得的结果可以找到用于设计,制造和开发纳米光电子器件的应用,部分应用是诸如基于QD的光开关和光晶体管的全光组件。

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