Nuclear polarization of phosphorus donors in 28Si by selective optical pumping

A. Yang, M. Steger, M. L.W. Thewalt, T. D. Ladd, K. M. Itoh, E. E. Haller, J. W. Ager, H. Riemann, N. V. Abrosimov, P. Becker, H. J. Pohl

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

We show that significant electronic and nuclear polarizations of 31P donors in highly enriched 28Si can be obtained by dynamic optical pumping. Polarization of the donor spins is observed using photoluminescence excitation spectroscopy and optical pumping of individual hyperfine components of the 31P bound exciton transition. Previous samples of 28Si used for 31P bound exciton spectroscopy were p-type due to excess boron, while more recently, samples of 31P-doped n-type 28Si with 99.99% isotopic purity became available. The selective pumping and ionization of 31P donors in specific electronic and nuclear spin states has applications in quantum computing, where a highly polarized initial state is required.

本文言語English
ホスト出版物のタイトルPhysics of Semiconductors - 29th International Conference, ICPS 29
ページ375-376
ページ数2
DOI
出版ステータスPublished - 2009
イベント29th International Conference on Physics of Semiconductors, ICPS 29 - Rio de Janeiro, Brazil
継続期間: 2008 7 272008 8 1

出版物シリーズ

名前AIP Conference Proceedings
1199
ISSN(印刷版)0094-243X
ISSN(電子版)1551-7616

Other

Other29th International Conference on Physics of Semiconductors, ICPS 29
国/地域Brazil
CityRio de Janeiro
Period08/7/2708/8/1

ASJC Scopus subject areas

  • 生態、進化、行動および分類学
  • 生態学
  • 植物科学
  • 物理学および天文学(全般)
  • 自然保全および景観保全

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