Spin-orbit splitting dependent resonant third-order nonlinear optical susceptibility in InGaN/GaN multiple quantum wells |
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Authors: | Youqing Yu |
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Affiliation: | Department of Physics, Wuhan University, Luojia Hill, Wuchang, Wuhan, Hubei Province 430072, China |
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Abstract: | For the transition between valence band and conduction band, the third-order nonlinear optical susceptibility χ(3) for degenerated four-wave mixing in InxGa1−xN/GaN multiple quantum wells (MQWs) has been calculated. The contributions of spin-orbit split-off energy to the resonant third-order nonlinear optical susceptibility of the modes, whose polarization is vertical to the 0 0 1] direction of the MQWs, are discussed in detail. The correlations between the peaks of χ(3), which are due to the transitions from the spin-orbit split-off energy level to first conduction subband, and the width of the quantum well and the constituents of the semiconductor material are obtained. |
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Keywords: | 78 67 He 42 65 An 71 70 Ej |
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