Three-dimensional microlasers based on polymer fibers fabricated by electrospinning

被引：36
作者：
Das, Anshuman J. [1 ]
Lafargue, Clement [2 ]
Lebental, Melanie [2 ]
Zyss, Joseph [2 ]
Narayan, K. S. [1 ]
机构：
[1] Jawaharlal Nehru Ctr Adv Sci Res, Bangalore 560064, Karnataka, India
[2] Ecole Normale Super, CNRS, Lab Photon Quant & Mol, UMR 8537, F-94235 Cachan, France
来源：
APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 26期
关键词：
gallium arsenide; gold; III-V semiconductors; rectification; Schottky barriers; semiconductor-metal boundaries; titanium; tunnelling; WHISPERING-GALLERY MODES; EMISSION; MORPHOLOGY; EXCITATION;
D O I：
10.1063/1.3672223
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report three-dimensional mirror-less lasing from non-cylindrical dye doped polystyrene fibers drawn using an electrospinning procedure where the fiber cross-sectional shape and dimension could be controlled. Signatures of three dimensional etalon like modes were observed corresponding to the transverse and axial quantization of the wave vector. Low lasing thresholds of the order of 200 nJ were achieved along with moderate Q factors. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3672223]
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页数：3
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