Multipulse operation and optical detection of nuclear spin coherence in a GaAs/AlGaAs quantum well

Y. Kondo, M. Ono, S. Matsuzaka, K. Morita, H. Sanada, Y. Ohno, H. Ohno

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

We demonstrate manipulation of nuclear spin coherence in a GaAs/AlGaAs quantum well by optically detected nuclear magnetic resonance (NMR). A phase shift of the Larmor precession of photoexcited electron spins is detected to read out the hyperfine-coupled nuclear spin polarization. Multipulse NMR sequences are generated to control the population and examine the phase coherence in quadrupolar-split spin-3/2 As75 nuclei. The phase coherence among the multilevel nuclear spin states is addressed by application of pulse sequences that are used in quantum gate operations.

Original languageEnglish
Article number207601
JournalPhysical Review Letters
Volume101
Issue number20
DOIs
Publication statusPublished - 2008 Nov 14

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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