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Get Free AccessThe mechanism of lasing in single cadmium sulfide (CdS) nanowire cavities was elucidated by temperature-dependent and time-resolved photoluminescence (PL) measurements. Temperature-dependent PL studies reveal rich spectral features and show that an exciton-exciton interaction is critical to lasing up to 75 K, while an exciton-phonon process dominates at higher temperatures. These measurements together with temperature and intensity dependent life-time and threshold studies suggest that lasing is due to formation of excitons, and moreover, have implications for the design of efficient, low-threshold nanowire lasers.
Ritesh Agarwal, Carl J. Barrelet, Charles M. Lieber (2005). Lasing in Single Cadmium Sulfide Nanowire Optical Cavities. Nano Letters, 5(5), pp. 917-920, DOI: 10.1021/nl050440u.
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Type
Article
Year
2005
Authors
3
Datasets
0
Total Files
0
Language
English
Journal
Nano Letters
DOI
10.1021/nl050440u
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