Room-temperature two-dimensional plasmonic crystal semiconductor lasers

Kuan Ying Huang, Yao Lun Liu, Chu Chun Wu, Bo Jen Hsiao, Ce Fang Shih, Chia-Ming Tsai, Kuo-Jui Lin, Sheng-Di Lin*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Room-temperature plasmonic-crystal lasers have been demonstrated with a squarelattice gold nano-pillar arrays on top of InGaAs/GaAs quamtum wells on a GaAs substrate. The lasing wavelength is tunable in the range of 865-1001 nm by varying the lattice period. The lasers exhibit an extremely narrow linewidth and small divergence angle so could have great potential for various applications. An unexpected mirror cavity effect has been observed and investigated. The mirror-cavity lasers have a very low threshold and could be developed to realize electrically-driven plasmonic lasers.

Original languageAmerican English
Pages (from-to)19384-19391
Number of pages8
JournalOptics Express
Volume29
Issue number13
DOIs
StatePublished - 21 Jun 2021

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