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Near-field measurement of spectral anisotropy and optical absorption of isolated ZnO nanorod single-quantum-well structures
Cited 18 time in
Web of Science
Cited 28 time in Scopus
- Authors
- Issue Date
- 2005-07-11
- Publisher
- American Institute of Physics
- Citation
- Appl. Phys. Lett. 87, 033101 (2005)
- Abstract
- We report low-temperature near-field spectroscopy of isolated ZnO/ZnMgO single-quantum-well structures (SQWs) on the end of ZnO nanorod to define their potential for nanophotonics. First, absorption spectra of isolated ZnO/ZnMgO nanorod SQWs with the Stokes shift as small as 3 meV and very sharp photoluminescent peaks indicate that the nanorod SQWs are of very high optical quality. Furthermore, we performed polarization spectroscopy of isolated ZnO SQWs, and observed valence-band anisotropy of ZnO SQWs in photoluminescence spectra directly. Since the exciton in a quantum structure is an ideal two-level system with long coherence times, our results provide criteria for designing nanophotonic devices.
- ISSN
- 0003-6951 (print)
1077-3118 (online)
- Language
- English
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