期刊信息
- 刊名： 河北师范大学学报（自然科学版）Journal of Hebei Normal University (Natural Science)
- 主办： 河北师范大学
- ISSN： 1000-5854
- CN： 13-1061/N
- 中国科技核心期刊
- 中国期刊方阵入选期刊
- 中国高校优秀科技期刊
- 华北优秀期刊
- 河北省优秀科技期刊
正切平方量子阱中的非线性光学折射率
- （安徽理工大学 力学与光电物理学院，安徽 淮南 232001）
-
DOI：10.13763/j.cnki.jhebnu.nse.202202012
Nonlinear Optical Refractive Index in Tangent-square Quantum Well
摘要/Abstract
摘要：
从理论上研究了正切平方量子阱（QWs）在不同温度、流体静压作用下非线性光学折射率的变化.在有效质量近似的框架下，通过求解薛定谔方程得到本征函数和能量本征值.利用密度矩阵理论和迭代方法，得到了非线性光学折射率变化（RIC）的解析表达式.计算结果表明，流体静压、温度、电势和QWs的直径对RIC有很大的影响，所得结果可以为研究正切平方量子阱的光学折射率变化提供必要的理论依据.
Abstract：
The nonlinear optical refractive index changes of tangent square quantum wells(QWs) under different temperatures and hydrostatic pressure are studiedtheoretically.Based on effective mass approximation，the eigenfunction and energy eigenvalue are obtained by solving the Schrodinger equation.By using the density matrix theory and iterative method，the analytical expression of nonlinear optical refractive index change(RIC) is obtained.The calculation results show that the hydrostatic pressure，temperature，electric potential and the diameter of QWs have a significant influence on the RIC，which provides a necessary theoretical basis for studying the optical refractive index of the tangent-square quantum well.
关键词
参考文献 19
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