Subwavelength plasmonic lasers

Hong Gyu Park, Soon Hong Kwon, Ju Hyung Kang

Research output: Chapter in Book/Report/Conference proceedingConference contribution


We propose two types of full three-dimensional subwavelength surface-plasmon-polariton cavities: a metal-coated dielectric nanowire with an axial heterostructure and dielectric nanodisk/metal nanopan structure. In the metal-coated dielectric nanowire plasmonic structure, surface plasmon-polaritons are strongly confined at the nanowire-metal interface sandwiched by a plasmonic mirror structure that consists of nanowire core/low-index shell/metal shell. High quality factors and subwavelength mode volumes are calculated in this plasmonic structure. In addition, we report the experimental demonstration of an optically-pumped plasmonic lasing action from an InP nanodisk/silver nanopan structure with a subwavelength mode volume. A whispering-gallery plasmonic mode is excited at the bottom of the silver nanopan structure. We believe that these subwavelength plasmonic cavities and lasers represent a significant step towards the realization of faster and smaller coherent light sources which are suitable for an ultracompact nanophotonic integrated circuit.

Original languageEnglish
Title of host publicationICTON 2012 - 14th International Conference on Transparent Optical Networks
Publication statusPublished - 2012
Event14th International Conference on Transparent Optical Networks, ICTON 2012 - Coventry, United Kingdom
Duration: 2012 Jul 22012 Jul 5

Publication series

NameInternational Conference on Transparent Optical Networks
ISSN (Electronic)2162-7339


Other14th International Conference on Transparent Optical Networks, ICTON 2012
Country/TerritoryUnited Kingdom


  • nanolaser
  • subwavelength cavity
  • surface-plasmon-polaritons

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials


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