Self-assembled DNA tetrahedral optofluidic lasers with precise and tunable gain control

Title
Self-assembled DNA tetrahedral optofluidic lasers with precise and tunable gain control
Authors
이원석Qiushu ChenHuajie LiuYuze SunDan ZhuHao PeiChunhai FanXudong Fan
Issue Date
2013-12
Publisher
Lab on a chip
Citation
VOL 13, NO 17-3354
Abstract
We have applied self-assembled DNA tetrahedral nanostructures for the precise and tunable control of the gain in an optofluidic fluorescence resonance energy transfer (FRET) laser. By adjusting the ratio of the donor and the acceptor attached to the tetrahedral vertices, 3.8 times reduction in the lasing threshold and 28-fold enhancement in the lasing efficiency were demonstrated. This work takes advantage of the self-recognition and self-assembly capabilities of biomolecules with well-defined structures and addressability, enabling nano-engineering of the laser down to the molecular level.
URI
http://pubs.kist.re.kr/handle/201004/71097
ISSN
1473-0197
Appears in Collections:
KIST Publication > Article
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