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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43210

Title: Realization of UV plasmonic nanolasers with extremely small mode volume
Authors: Bo-Tsun Chou;Yu-Hsun Chou;Chih-Kai Chiang;Yen-Mo Wu;Tzy-Rong Lin;Sheng-Di Lin;Tien-Chang Lu
Contributors: 國立臺灣海洋大學:機械與機電工程學系
Date: 2015
Issue Date: 2017-06-09T03:00:36Z
Publisher: IEEE Journal of Selected Topics in Quantum Electronics
Abstract: Abstract:It is difficult to operate plasmonic nanolasers on silver films in the ultraviolet regime owing to the bending-back effect of surface plasmon dispersion. In this paper, we report on plasmonic lasers comprised of a ZnO nanowire lying on a single-crystalline silver film with a SiO2 spacer layer. The silver can strongly shrink the mode volume, thereby boosting the Purcell factor. Meanwhile, the SiO2 spacer thickness is optimized to adjust the surface plasmon dispersion curve so that the lasing wavelength can be located at a large dispersion region, thereby achieving a large group index of 55, an ultra-small effective mode volume of 3.5 × 10-3 λ3, and low-threshold of 11 MW/cm2.
Relation: 21(6)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43210
Appears in Collections:[機械與機電工程學系] 期刊論文

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