量子阱中直接产生激子的太赫兹辐射

1997 Advanced Workshop on Frontiers in Electronics, WOFE '97 Proceedings Pub Date : 1997-01-06 DOI:10.1109/WOFE.1997.621158

A. Hernández-Cabrera, A. Ramos, H. Cruz, P. Aceituno

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引用次数: 1

摘要

我们研究了电泵激子在非对称双量子阱之间隧穿所产生的偶极子电磁辐射，并考虑了该过程的双粒子性质。直接激子和间接激子之间的跃迁影响直接产生激子的电荷振荡，从而影响太赫兹发射。这个过程的频率比光激发激子发射的频率高一个数量级。

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Terahertz emission from direct created excitons in quantum wells

We have studied the dipole electromagnetic radiation emerging from electrically pumped excitons tunneling between asymmetric double quantum wells, taking into account the two-particle nature of the process. Transition between direct and indirect excitons affects the charge oscillation of direct created excitons and therefore the terahertz emission. The frequency of this process is one order of magnitude higher than the photoexcited exciton emission.

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1997 Advanced Workshop on Frontiers in Electronics, WOFE '97 Proceedings

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