结果表明，折射率改变不但与入射光强有关，更与阱中的势垒宽度有关。

Results show that the electric field induced refractive index change in DQWs varies with the width of the intermediate potential barrier. And it decreases as the incident optical intensity increases.

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此法比k - P方法简便易行，而且随着势垒宽度的增加，两种方法所得结果趋于一致。

Compared with the K-P method, it is found that the results of two methods are accordance with the increase of the barrier width.

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结果表明，与界面光滑的结比较，界面粗糙的结的有效势垒宽度较窄，有效势垒面积较小。

The results showed that the effective barrier width and area of the junction with the rough interfaces were smaller than those of the junction with the smooth interfaces.

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