Search Results for author: D. A. Ritchie

Found 2 papers, 0 papers with code

Microscopic metallic air-bridge arrays for connecting quantum devices

no code implementations11 Feb 2021 Y. Jin, M. Moreno, P. M. T. Vianez, W. K. Tan, J. P. Griffiths, I. Farrer, D. A. Ritchie, C. J. B. Ford

We present a single-exposure fabrication technique for a very large array of microscopic air-bridges using a tri-layer resist process with electron-beam lithography.

Mesoscale and Nanoscale Physics Materials Science Other Condensed Matter Applied Physics Quantum Physics

Effects of biased and unbiased illuminations on dopant-free GaAs/AlGaAs 2DEGs

no code implementations28 Dec 2020 A. Shetty, F. Sfigakis, W. Y. Mak, K. Das Gupta, B. Buonacorsi, M. C. Tam, H. S. Kim, I. Farrer, A. F. Croxall, H. E. Beere, A. R. Hamilton, M. Pepper, D. G. Austing, S. A. Studenikin, A. Sachrajda, M. E. Reimer, Z. R. Wasilewski, D. A. Ritchie, J. Baugh

Unbiased (biased) illuminations are performed at low temperatures on dopant-free two-dimensional electron gases (2DEGs) at different depths in undoped GaAs/AlGaAs, while gates are kept grounded (held at a finite voltage, either positive or negative).

Mesoscale and Nanoscale Physics

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