| 隧穿展宽对超晶格子带间光吸收饱和的影响 |
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| 引用本文： | 潘少华,冯思民,崔大复,杨国桢.隧穿展宽对超晶格子带间光吸收饱和的影响[J].物理学报,1993,42(7):1074-1079. |
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| 作者姓名： | 潘少华 冯思民 崔大复 杨国桢 |
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| 作者单位： | 中国科学院物理研究所,北京,100080;中国科学院物理研究所,北京,100080;中国科学院物理研究所,北京,100080;中国高等科学技术中心(世界实验室) |
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| 摘 要： | 本文运用Kronig—Penney模型新形式,研究超晶格子带间光吸收的三阶非线性效应,发现不论量子阱参数(如阱宽、垒宽和垒高等)如何改变,光吸收饱和强度与隧穿谱宽之间存在着一种较普遍的关系,并阐明了这种依从关系的物理机制。
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| 收稿时间： | 1990-09-10 |
TUNNEL BROADENING EFFECT ON INTERSUBBAND OPTICAL SATURATION IN SUPERLATTICES |
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| PAN SHAO-HUA,FENG SI-MIN,CUI DA-FU and YANG GUO-ZHEN.TUNNEL BROADENING EFFECT ON INTERSUBBAND OPTICAL SATURATION IN SUPERLATTICES[J].Acta Physica Sinica,1993,42(7):1074-1079. |
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| Authors: | PAN SHAO-HUA FENG SI-MIN CUI DA-FU and YANG GUO-ZHEN |
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| Abstract: | By means of a new formalism of the Kronig-Penney model developed recently, the third order nonlinear optical effect of intersubband transitions in superlattices is studied. It is shown that there is a general relation between optical saturation intensity and tunnel bandwidth. The physical mechanism of this relation is analyzed. |
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