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光电子技术（5）
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光电子技术（5）. E Fn. E c. V +. p +. n +. V -. E v. E Fp. 施加正偏置电压 V=(E Fn -E Fp )/e 后， P 端和 N 端的能带恢复到同一高度，但此时费米能级处于非平衡态。. Fig.25a 半导体激光器增益原理.
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光电子技术（5）
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光电子技术（5） EFn Ec V+ p+ n+ V- Ev EFp 施加正偏置电压V=(EFn-EFp)/e后，P端和N端的能带恢复到同一高度，但此时费米能级处于非平衡态。 Fig.25a 半导体激光器增益原理
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