УДК: 535.14

Pseudotunnel phototransitions in heterostructures with quantum wells. I. Photocharging of deep impurities in a barrier

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Перлин Е.Ю., Попов А.А. Псевдотуннельные фотопереходы в гетероструктурах с квантовыми ямами. I. Фотозарядка глубоких примесей в барьере // Оптический журнал. 2014. Т. 81. № 7. С. 3–6.

Perlin E.Yu., Popov A.A. Pseudotunnel phototransitions in heterostructures with quantum wells. I. Photocharging of deep impurities in a barrier [in Russian] // Opticheskii Zhurnal. 2014. V. 81. № 7. P. 3–6.

For citation (Journal of Optical Technology):

E. Yu. Perlin and A. A. Popov, "Pseudotunnel phototransitions in heterostructures with quantum wells. I. Photocharging of deep impurities in a barrier," Journal of Optical Technology. 81(7), 365-367 (2014). https://doi.org/10.1364/JOT.81.000365

Abstract:

This paper discusses optical transitions in a structure with deep quantum wells with a type-I band diagram, containing deep impurities in the barrier region. The tunnel-Hamiltonian formalism is used to obtain expressions for the phototransition rates between the states in the valence band in the quantum well and the levels of the deep impurity centers. It is shown that the photocharging rate of the impurities sharply increases when the light frequency is above a certain threshold.

Keywords:

photon-assisted tunnelling, over-barrier transitions, deep impurity centers, quantum wells

Acknowledgements:

This work was carried out with state financial support of the leading universities of the Russian Federation (Subsidy 074-U01) and the Russian Foundation for Basic Research (Grant 09-02-00223).

OCIS codes: 190.4180, 190.7220, 190.4720

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