Surface plasmonic nanodisk/nanopan lasers

Soon Hong Kwon, Ju Hyung Kang, Sun Kyung Kim, Hong Kyu Park

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

We report the demonstration of subwavelength plasmonic lasers from a semiconductor nanodisk with a silver nanopan cavity. Full 3-D surface-plasmon-polariton (SPP) lasing was achieved because the nanodisk/nanopan structure enables excitation of high-quality SPP modes with subwavelength mode volumes. The optical properties of all possible resonant modes including SPP and optical modes excited in the nanodisk/nanopan were calculated and analyzed systematically using the finite-difference time-domain method. To fabricate the nanodisk/nanopan structure with an ultra-smooth silver surface, conformal deposition of silver was performed on the nanodisk. Rich SPP lasing actions were demonstrated through optical pumping of the fabricated structures. The observed SPP lasing modes were indentified unambiguously from measurements of the spectrum, mode image, and polarization state. These measurements compared well with the simulation results. In particular, the significant temperature- dependent threshold of the SPP lasers, which distinguishes SPP modes from conventional optical modes, was measured. This subwavelength SPP laser is a significant step toward the further miniaturization of a coherent light source in ultra-compact photonic integrated circuits.

Original languageEnglish
Article number6006500
Pages (from-to)1346-1353
Number of pages8
JournalIEEE Journal of Quantum Electronics
Volume47
Issue number10
DOIs
Publication statusPublished - 2011 Sep 22

Fingerprint

polaritons
Lasers
lasers
Silver
lasing
Laser modes
silver
Optical pumping
Finite difference time domain method
coherent light
miniaturization
optical pumping
Photonics
Surface properties
Integrated circuits
Light sources
finite difference time domain method
Demonstrations
integrated circuits
Optical properties

Keywords

  • Cavity resonators
  • nanofabrication
  • nanophotonics
  • plasmons
  • semiconductor lasers

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

Cite this

Surface plasmonic nanodisk/nanopan lasers. / Kwon, Soon Hong; Kang, Ju Hyung; Kim, Sun Kyung; Park, Hong Kyu.

In: IEEE Journal of Quantum Electronics, Vol. 47, No. 10, 6006500, 22.09.2011, p. 1346-1353.

Research output: Contribution to journalArticle

Kwon, Soon Hong ; Kang, Ju Hyung ; Kim, Sun Kyung ; Park, Hong Kyu. / Surface plasmonic nanodisk/nanopan lasers. In: IEEE Journal of Quantum Electronics. 2011 ; Vol. 47, No. 10. pp. 1346-1353.
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