Lasing action in strongly coupled plasmonic nanocavity arrays

Wei Zhou, Montacer Dridi, Jae Yong Suh, Chul Hoon Kim, Dick T Co, Michael R Wasielewski, George C Schatz, Teri W Odom

Research output: Contribution to journalArticle

383 Citations (Scopus)

Abstract

Periodic dielectric structures are typically integrated with a planar waveguide to create photonic band-edge modes for feedback in one-dimensional distributed feedback lasers and two-dimensional photonic-crystal lasers. Although photonic band-edge lasers are widely used in optics and biological applications, drawbacks include low modulation speeds and diffraction-limited mode confinement. In contrast, plasmonic nanolasers can support ultrafast dynamics and ultrasmall mode volumes. However, because of the large momentum mismatch between their nanolocalized lasing fields and free-space light, they suffer from large radiative losses and lack beam directionality. Here, we report lasing action from band-edge lattice plasmons in arrays of plasmonic nanocavities in a homogeneous dielectric environment. We find that optically pumped, two-dimensional arrays of plasmonic Au or Ag nanoparticles surrounded by an organic gain medium show directional beam emission (divergence angle

Original languageEnglish
Pages (from-to)506-511
Number of pages6
JournalNature Nanotechnology
Volume8
Issue number7
DOIs
Publication statusPublished - Jul 2013

Fingerprint

Photonics
lasing
photonics
Plasmons
Planar waveguides
Lasers
Distributed feedback lasers
Laser modes
Photonic crystals
Crystal lattices
Optics
Momentum
Diffraction
Modulation
distributed feedback lasers
Nanoparticles
Feedback
plasmons
lasers
divergence

ASJC Scopus subject areas

  • Bioengineering
  • Biomedical Engineering
  • Materials Science(all)
  • Electrical and Electronic Engineering
  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics

Cite this

Lasing action in strongly coupled plasmonic nanocavity arrays. / Zhou, Wei; Dridi, Montacer; Suh, Jae Yong; Kim, Chul Hoon; Co, Dick T; Wasielewski, Michael R; Schatz, George C; Odom, Teri W.

In: Nature Nanotechnology, Vol. 8, No. 7, 07.2013, p. 506-511.

Research output: Contribution to journalArticle

Zhou, Wei ; Dridi, Montacer ; Suh, Jae Yong ; Kim, Chul Hoon ; Co, Dick T ; Wasielewski, Michael R ; Schatz, George C ; Odom, Teri W. / Lasing action in strongly coupled plasmonic nanocavity arrays. In: Nature Nanotechnology. 2013 ; Vol. 8, No. 7. pp. 506-511.
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