Single-Nanowire Single-Mode Laser
- 15 February 2011
- journal article
- Published by American Chemical Society (ACS) in Nano Letters
- Vol. 11 (3), 1122-1126
- https://doi.org/10.1021/nl1040308
Abstract
We demonstrate single-mode laser emission in single nanowires. By folding a 200 nm diameter CdSe nanowire to form loop mirrors, single-mode laser emission around 738 nm wavelength is obtained with line width of 0.12 nm and low threshold. The mode selection is realized by the vernier effect of coupled cavities in the folded nanowire. In addition, the loop structure makes it possible to tune the nanowire cavity, opening an opportunity to realize a tunable single-mode nanowire laser.Keywords
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