Terahertz absorption and emission upon the photoionization of acceptors in uniaxially stressed silicon
- Authors: Zhukavin R.K.1, Kovalevsky K.A.1, Orlov M.L.1, Tsyplenkov V.V.1, Hübers H.2,3, Dessmann N.3, Kozlov D.V.1, Shastin V.N.1,4
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Affiliations:
- Institute for Physics of Microstructures
- DLR Institute of Optical Sensor Systems
- Institute of Physics
- Lobachevsky State University of Nizhny Novgorod
- Issue: Vol 50, No 11 (2016)
- Pages: 1458-1462
- Section: XX International Symposium “Nanophysics and Nanoelectronics”, Nizhny Novgorod, March 14–18, 2016
- URL: https://journals.rcsi.science/1063-7826/article/view/198315
- DOI: https://doi.org/10.1134/S1063782616110270
- ID: 198315
Cite item
Abstract
Experimental data on the spontaneous emission and absorption modulation in boron-doped silicon under CO2 laser excitation depending on the uniaxial stress applied along the [001] and [011] crystallographic directions are presented. Room-temperature radiation is used as the probe radiation. Low stress (less than 0.5 kbar) is shown to reduce losses in the terahertz region by 20%. The main contribution to absorption modulation at zero and low stress is made by A+ centers. Intersubband free hole transitions additionally contribute to terahertz absorption at higher stress. These contributions can be minimized by compensation.
About the authors
R. Kh. Zhukavin
Institute for Physics of Microstructures
Author for correspondence.
Email: zhur@ipmras.ru
Russian Federation, Nizhny Novgorod, 603087
K. A. Kovalevsky
Institute for Physics of Microstructures
Email: zhur@ipmras.ru
Russian Federation, Nizhny Novgorod, 603087
M. L. Orlov
Institute for Physics of Microstructures
Email: zhur@ipmras.ru
Russian Federation, Nizhny Novgorod, 603087
V. V. Tsyplenkov
Institute for Physics of Microstructures
Email: zhur@ipmras.ru
Russian Federation, Nizhny Novgorod, 603087
H.-W. Hübers
DLR Institute of Optical Sensor Systems; Institute of Physics
Email: zhur@ipmras.ru
Germany, Berlin, 12489; Berlin, 12489
N. Dessmann
Institute of Physics
Email: zhur@ipmras.ru
Germany, Berlin, 12489
D. V. Kozlov
Institute for Physics of Microstructures
Email: zhur@ipmras.ru
Russian Federation, Nizhny Novgorod, 603087
V. N. Shastin
Institute for Physics of Microstructures; Lobachevsky State University of Nizhny Novgorod
Email: zhur@ipmras.ru
Russian Federation, Nizhny Novgorod, 603087; Nizhny Novgorod, 603950