Optimization of the Operating Regime of Pb$_{1-x}$ Sn$_x$Te(In) Terahertz Photodetectors
| Autor: | A. V. Galeeva, V. I. Chernichkin, Andrei Nicorici, Ludmila I. Ryabova, Dmitry Khokhlov, D. E. Dolzhenko |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Quenching
Radiation Materials science Terahertz radiation business.industry High Energy Physics::Lattice Photoconductivity Physics::Optics Photodetector 02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences Temperature measurement Highly sensitive Pulse (physics) 0103 physical sciences Optoelectronics Radio frequency Electrical and Electronic Engineering Atomic physics 010306 general physics 0210 nano-technology business |
| Zdroj: | IEEE Transactions on Terahertz Science and Technology. 7:172-176 |
| ISSN: | 2156-3446 2156-342X |
| DOI: | 10.1109/tthz.2017.2655880 |
| Popis: | We present results of an experimental study concentrated on performance optimization of highly sensitive Pb $_{1-x}$ Sn $_x$ Te(In) terahertz photodetectors perspective for applications in the terahertz astronomy. The optimization was reached trough variation of the regime of persistent photoconductivity quenching by radio-frequency pulses. It is demonstrated that the quenching effectiveness rises rapidly with decreasing the radio-frequency in a quenching pulse. In certain regimes, the quenching boosts the photoresponse after the end of the radio-frequency pulse. Possible mechanisms of the radio-frequency quenching of the terahertz persistent photoconductivity in Pb $_{1-x}$ Sn $_x$ Te(In) are discussed. |
| Databáze: | OpenAIRE |
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