Frequency Influence on the Hot-Electron Noise Reduction in GaAs Operating under Periodic Signals

• Authors: D. Persano Adorno , M. Capizzo , N. Pizzolato
• Languages of publication: EN

Abstracts

EN

A Monte Carlo study of the role of the frequency on the hot-electron intrinsic noise reduction in an n-type GaAs bulk driven by two mixed cyclostationary electric fields is presented. Previous numerical results showed the possibility to reduce the diffusion noise under specific wave-mixing conditions. In this work the variations of the noise properties are investigated by computing and integrating the spectral density of the velocity fluctuations. We found that the effect of reduction of the noise level due to the addition of a second field at twice frequency is almost independent of the frequency.

Keywords

EN

72.70.+m; 05.40.Ca; 72.30.+q

Discipline

• 05.40.Ca: Noise
• 72.70.+m: Noise processes and phenomena
• 72.30.+q: High-frequency effects; plasma effects

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2008
• Volume: 113
• Issue: 3
• Pages: 979-983

Dates

published

2008-03

received

2007-08-26

Contributors

author

D. Persano Adorno

• Dipartimento di Fisica e Tecnologie Relative and CNISM, Italy

author

M. Capizzo

• Dipartimento di Fisica e Tecnologie Relative and CNISM, Italy

author

N. Pizzolato

• Dipartimento di Fisica e Tecnologie Relative and CNISM, Group of Interdisciplinary Physics, Viale delle Scienze, Ed. 18, 90128 Palermo, Italy

References

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Identifiers

DOI

10.12693/APhysPolA.113.979