Observation of enhanced spontaneous and stimulated emission of GaAs/AlGaAs nanowire via the Purcell effect | Zendy

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Observation of enhanced spontaneous and stimulated emission of GaAs/AlGaAs nanowire via the Purcell effect

Author(s) -

Wei Wei,

Xia Zhang,

Xin Yan,

Xiaomin Ren

Publication year - 2015

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4929355

Subject(s) - plasmon , lasing threshold , nanowire , spontaneous emission , surface plasmon , purcell effect , dielectric , optoelectronics , materials science , stimulated emission , optics , physics , laser , wavelength

We experimentally demonstrated enhanced spontaneous and stimulated emission of GaAs/AlGaAs nanowire via the Purcell effect. By integrating the NW and SiO2-Au substrate, the hybridization of the dielectric modes in the NW with surface plasmons on the surface of Au formed hybrid plasmonic modes. Taking advantage of the nanolocalized electromagnetic field of hybrid plasmonic modes, the intensities of spontaneous and stimulated emission were enhanced via the Purcell effect by factors of four and ten, respectively. More importantly, the plasmonic lasing action was continuous-wave under the continuous-wave pump

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