期刊
PHYSICAL REVIEW LETTERS
卷 101, 期 20, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.101.207601
关键词
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资金
- ERATO
- CREST, JST
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT) [17686001, 19048007, 19048008]
- Center of Education and Research for Information Electronics Systems
- Grants-in-Aid for Scientific Research [19048007, 17686001] Funding Source: KAKEN
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 As-75 nuclei. The phase coherence among the multilevel nuclear spin states is addressed by application of pulse sequences that are used in quantum gate operations.
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