Plasmonic crystal defect nanolaser

Amit M. Lakhani, Myung-Ki Kim, Erwin K. Lau, Ming C. Wu

Research output: Contribution to journalArticle

81 Citations (Scopus)

Abstract

Surface plasmons are widely interesting due to their ability to probe nanoscale dimensions. To create coherent plasmons, we demonstrate a nanolaser based on a plasmonic bandgap defect state inside a surface plasmonic crystal. A one-dimensional semiconductor-based plasmonic crystal is engineered to have stopbands in which surface plasmons are prohibited from travelling in the crystalline structure. We then confine surface plasmons using a three-hole defect in the periodic structure. Using conventional III-V semiconductors, we achieve lasing in mode volumes as small as Veff = 0.3(λ0/n)3 at λ0 = 1342 nm, which is 10 times smaller than similar modes in photonic crystals of the same size. This demonstration should pave the way for achieving engineered nanolasers with deep-subwavelength mode volumes and attractive nanophotonics integration capabilities while enabling the use of plasmonic crystals as an attractive platform for designing plasmons.

Original languageEnglish
Pages (from-to)18237-18245
Number of pages9
JournalOptics Express
Volume19
Issue number19
DOIs
Publication statusPublished - 2011 Sep 12
Externally publishedYes

Fingerprint

plasmons
crystal defects
crystals
defects
crystal surfaces
lasing
platforms
photonics
probes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Lakhani, A. M., Kim, M-K., Lau, E. K., & Wu, M. C. (2011). Plasmonic crystal defect nanolaser. Optics Express, 19(19), 18237-18245. https://doi.org/10.1364/OE.19.018237

Plasmonic crystal defect nanolaser. / Lakhani, Amit M.; Kim, Myung-Ki; Lau, Erwin K.; Wu, Ming C.

In: Optics Express, Vol. 19, No. 19, 12.09.2011, p. 18237-18245.

Research output: Contribution to journalArticle

Lakhani, AM, Kim, M-K, Lau, EK & Wu, MC 2011, 'Plasmonic crystal defect nanolaser', Optics Express, vol. 19, no. 19, pp. 18237-18245. https://doi.org/10.1364/OE.19.018237
Lakhani AM, Kim M-K, Lau EK, Wu MC. Plasmonic crystal defect nanolaser. Optics Express. 2011 Sep 12;19(19):18237-18245. https://doi.org/10.1364/OE.19.018237
Lakhani, Amit M. ; Kim, Myung-Ki ; Lau, Erwin K. ; Wu, Ming C. / Plasmonic crystal defect nanolaser. In: Optics Express. 2011 ; Vol. 19, No. 19. pp. 18237-18245.
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