作者
Sunita Kedia, Ramarao Vijaya, Alok K Ray, Sucharita Sinha
发表日期
2010/10
期刊
Journal of Nanophotonics
卷号
4
期号
1
页码范围
049506
出版商
SPIE
简介
Three-dimensionally ordered photonic crystals were grown using self-assembly technique from Rhodamine-B dye doped polystyrene micro-spheres resulting in a stop band at 611 nm overlapping the emission spectrum of the dye. When excited at a wavelength away from the stop band, using a frequency-doubled Nd:YAG laser, the crystal showed angle-dependent suppression of spontaneous emission of the dye in the wavelength range of the photonic stop band and enhancement at the band edge, in reflection and transmission geometries. Spectral narrowing, a sharp threshold and a highly directional emission, all indicative of stimulated emission, were observed from the active photonic crystal matrix.
学术搜索中的文章
S Kedia, R Vijaya, AK Ray, S Sinha - Journal of Nanophotonics, 2010