A coherent single-hole spin in a semiconductor

Daniel Brunner, Brian D. Gerardot, Paul A. Dalgarno, Gunter Wuest, Khaled Karrai, Nick G. Stoltz, Pierre M. Petroff, Richard J. Warburton

Research output: Contribution to journalArticle

262 Citations (Scopus)


Semiconductors have uniquely attractive properties for electronics and photonics. However, it has been difficult to find a highly coherent quantum state in a semiconductor for applications in quantum sensing and quantum information processing. We report coherent population trapping, an optical quantum interference effect, on a single hole. The results demonstrate that a hole spin in a quantum dot is highly coherent.

Original languageEnglish
Pages (from-to)70-72
Number of pages3
Issue number5936
Publication statusPublished - 3 Jul 2009

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    Brunner, D., Gerardot, B. D., Dalgarno, P. A., Wuest, G., Karrai, K., Stoltz, N. G., Petroff, P. M., & Warburton, R. J. (2009). A coherent single-hole spin in a semiconductor. Science, 325(5936), 70-72. https://doi.org/10.1126/science.1173684