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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.2
- 수록면
- 72 - 76 (5page)
이용수
초록· 키워드
오류제보하기
The polarized micro-photoluminescence spectrum was analyzed to investigate the anisotropic localized states in a single GaAs quantum ring. An energy difference of ~0.1 meV was observed from the perpendicularly polarized spectrum measured by a pair of linear analyzers. Spectral dependence of the polarized emission was also characterized in terms of rotation and ellipticity angles using four Stokes parameters. While the rotation angle indicates the symmetric axis of an anisotropic quantum ring with a small variation (± 2°), the ellipticity angle varies from 7.4° down to –2.5°. We conclude that optical anisotropy and birefringence are induced by the crescent-like lateral shape of localized states.
목차
Ⅰ. INTRODUCTION
Ⅱ. METHODS
Ⅲ. RESULTS AND DISCUSSION
Ⅳ. CONCLUSION
REFERENCES
참고문헌 (14)
참고문헌 신청
T. Mano / 2009 / Self-assembly of quantum dots and rings by droplet epitaxy and their optical properties / J. Nanophoton 3:031605
C. Somaschini / 2010 / Self-assembled GaAs/AlGaAs coupled quantum ring-disk strucures by droplet epitaxy / Nanotechnology 21:125601
T. Kuroda / 2005 / Optical transitions in quantum ring complexes / Phys. Rev. B 72:205301
A. Lorke / 2000 / Spectroscopy of nanoscopic semi-conductor rings / Phys. Rev. Lett 84:2223
A. O. Govorov / 2002 / Polarized excitons in nanorings and the optical Aharonov-Bohm effect / Phys. Rev. B 66:081309
C. Somaschini / 2010 / Self-assembled GaAs/AlGaAs coupled quantum ring-disk strucures by droplet epitaxy / Nanotechnology 21:125601
T. Kuroda / 2005 / Optical transitions in quantum ring complexes / Phys. Rev. B 72:205301
A. Lorke / 2000 / Spectroscopy of nanoscopic semi-conductor rings / Phys. Rev. Lett 84:2223
A. O. Govorov / 2002 / Polarized excitons in nanorings and the optical Aharonov-Bohm effect / Phys. Rev. B 66:081309
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