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Proceedings Paper

Gain-assisted propagation of surface plasmon polaritons using electrically pumped quantum wells as active medium
Author(s): Ting Mei; Yicen Li; Hui Zhang; Ning Zhu; Dao Hua Zhang; Jinghua Teng
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Paper Abstract

Gain-assisted surface plasmon polaritons (SPPs) propagation is realized by electrical pumping the InGaAsP quantum wells (QWs) beneath the metal waveguide with asymmetric configuration. The long-range and short-range mode SPPs are analyzed theoretically and observed experimentally under different levels of current injection. It is demonstrated that among the complex SPP-coupled emission mechanisms, the short-range SPP is supported by stimulated amplification (SA) in electrically-pumped QWs, and increases robustly to as 1.6 times of the long-range mode SPP in output power over a travelling distance of 80μm. This stimulated SPP emission can be adopted for the minimization of the electrically controlled optical modulator.

Paper Details

Date Published: 7 December 2011
PDF: 6 pages
Proc. SPIE 8308, Optoelectronic Materials and Devices VI, 83080Z (7 December 2011); doi: 10.1117/12.904638
Show Author Affiliations
Ting Mei, South China Normal Univ. (China)
Yicen Li, Nanyang Technological Univ. (Singapore)
Hui Zhang, South China Normal Univ. (China)
Ning Zhu, South China Normal Univ. (China)
Dao Hua Zhang, Nanyang Technological Univ. (Singapore)
Jinghua Teng, A*STAR Institute of Materials Research and Engineering (Singapore)

Published in SPIE Proceedings Vol. 8308:
Optoelectronic Materials and Devices VI
Guang-Hua Duan, Editor(s)

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