The effect of pulse-modulated surface acoustic waves on acoustoelectric current quantization

被引：0

作者：

Kataoka, M. ^{[1
]}

Ford, C.J.B. ^{[1
]}

Barnes, C.H.W. ^{[1
]}

Anderson, D. ^{[1
]}

Jones, G.A.C. ^{[1
]}

Beere, H.E. ^{[1
]}

Ritchie, D.A. ^{[1
]}

Pepper, M. ^{[1
]}

机构：

[1] Cavendish Laboratory, Madingley Road, Cambridge CB3 0HE, United Kingdom

来源：

Journal of Applied Physics | 2006年 / 100卷 / 06期

关键词：

The effect of pulse modulation of surface acoustic waves (SAWs) on the acoustoelectric current quantization through a one-dimensional channel is investigated. We found that the pulse modulation is effective in eliminating the effects of cross-talk and problems associated with reflected SAWs that are the sources of uncontrollable potential fluctuations in the channel. The drawback of this method is that the short pulse length (<650 ns) required to achieve cross-talk elimination degrades the quality of the quantized current plateaus. We calculate the expected current from calibrations of the transducer passband and acoustoelectric current as a function of transducer power and find similar behavior. © 2006 American Institute of Physics;

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