In fact, the seemingly anomalous dispersion of the impurity band in the first Brillouin zone is a result from band folding.

在第一布里渊区中出现的杂质带的反常色散实际上是能带折叠的结果。

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After calculating the effective refractive index of the structure, we have verified that the impurity band has a normal dispersion.

通过计算结构的有效折射率，证实了杂质带色散是正常色散。

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After calculating the effective refractive index of the structure, we have verified that the impurity band has a normal dispersion.

通过计算结构的有效折射率，证实了杂质带色散是正常色散。

youdao