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Polarization of the edge emission from Ag/InGaAsP Schottky plasmonic diode

  • C. Wang*
  • , H. J. Qu
  • , W. X. Chen
  • , G. Z. Ran
  • , H. Y. Yu
  • , B. Niu
  • , J. Q. Pan
  • , W. Wang
  • *此作品的通讯作者
  • Peking University
  • CAS - Institute of Semiconductors

科研成果: 期刊稿件 › 文章 › 同行评审

摘要

Electrical plasmonic sources with compact sizes are a fundamental component in plasmonics. Here, we report a simple plasmonic diode having an Ag/InGaAsP quantum well Schottky structure. The polarization ratio (TM:TE) of the edge-emission photoluminescence for the quantum wells is about 2:1 and increases to about 3:1 after covered by Ag. As contrast, the electroluminescence polarization ratio exceeds 10:1 at a low current, indicating a high plasmon generation efficiency but drops gradually as current increasing; simultaneously, the peak wavelength red shifts evidently, which are attributed to the recombination zone shift and quantum confinement Stark effect.

源语言英语
期刊论文编号061112
期刊Applied Physics Letters
卷102
期6
DOI
出版状态已出版 - 11 2月 2013
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