期刊
APPLIED PHYSICS LETTERS
卷 106, 期 5, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4907650
关键词
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资金
- Polish Ministry of Science and Higher Education/the National Science Center [2011/02/A/ST3/00152]
- Polish Ministry of Science and Higher Education [6167/IA/119/2012]
- European Social Fund
- Royal Society
- Wolfson Foundation
We investigated the neutral and charged exciton fine structure in single InAs/InGaAlAs/InP quantum dashes emitting at 1.55 mu m using polarization-resolved microphotoluminescence in a magnetic field. Inverted spin configuration of horizontally [1-10] and vertically [110] polarized transitions has been observed. An in-plane magnetic field of up to 5 Tesla has been applied to tailor the fine structure, and eventually to reduce the splitting of the bright exciton states down to zero. This inverted structure has been observed for all the investigated excitons, making it a characteristic feature for this class of nanostructures with the largest splitting reduction of 170 mu eV. (C) 2015 AIP Publishing LLC.
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