Single nanowire waveguides and lasers

Justin C. Johnson, Haoquan Yan, Heon Jin Choi, Kelly P. Knutsen, Poul B. Petersen, Matt Law, Peidong Yang, Richard J. Saykally

Research output: Contribution to journalConference article

7 Citations (Scopus)

Abstract

Quasi one-dimensional nanostructures are unique probes of cavity quantum electrodynamics because they are capable of exhibiting photonic and/or electronic confinement in two dimensions. The near-cylindrical geometry and sharp end facets of zinc oxide (ZnO) nanowires enable the realization of active nanoscale optical cavities that exhibit UV/blue photoluminescence (PL) waveguiding and lasing action at room temperature under appropriate optical pumping conditions. Study of individual nanostructures is crucial for isolating geometry-dependent effects, and here it is achieved through both near- and far-field microscopies. The polarization of the emitted PL or lasing from individual nanostructures characterizes the coupling of the spontaneous emission to cavity modes, depending both on the wavelength of the emitted light and the nature of the emitting species (i.e., excitons and intrinsic defects in various charge states). In addition, the spectral evolution of the lasing/PL as a function of the pump fluence indicates both exciton and electron-hole plasma dynamics. Variations of size, geometry, and material on the prototypical cylindrical ZnO nanowire lead to further observation of unique photonic and/or carrier confinement effects in novel nanostructures.

Original languageEnglish
Pages (from-to)187-196
Number of pages10
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5223
Publication statusPublished - 2003 Dec 1

Fingerprint

Nanowires
Nanostructures
Waveguide
lasing
Photoluminescence
Waveguides
nanowires
Laser
waveguides
Zinc Oxide
photoluminescence
zinc oxides
Cavity
cavities
Lasers
Exciton
geometry
Zinc oxide
Photonics
excitons

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Johnson, J. C., Yan, H., Choi, H. J., Knutsen, K. P., Petersen, P. B., Law, M., ... Saykally, R. J. (2003). Single nanowire waveguides and lasers. Proceedings of SPIE - The International Society for Optical Engineering, 5223, 187-196.
Johnson, Justin C. ; Yan, Haoquan ; Choi, Heon Jin ; Knutsen, Kelly P. ; Petersen, Poul B. ; Law, Matt ; Yang, Peidong ; Saykally, Richard J. / Single nanowire waveguides and lasers. In: Proceedings of SPIE - The International Society for Optical Engineering. 2003 ; Vol. 5223. pp. 187-196.
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Johnson, JC, Yan, H, Choi, HJ, Knutsen, KP, Petersen, PB, Law, M, Yang, P & Saykally, RJ 2003, 'Single nanowire waveguides and lasers', Proceedings of SPIE - The International Society for Optical Engineering, vol. 5223, pp. 187-196.

Single nanowire waveguides and lasers. / Johnson, Justin C.; Yan, Haoquan; Choi, Heon Jin; Knutsen, Kelly P.; Petersen, Poul B.; Law, Matt; Yang, Peidong; Saykally, Richard J.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 5223, 01.12.2003, p. 187-196.

Research output: Contribution to journalConference article

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AU - Yang, Peidong

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Johnson JC, Yan H, Choi HJ, Knutsen KP, Petersen PB, Law M et al. Single nanowire waveguides and lasers. Proceedings of SPIE - The International Society for Optical Engineering. 2003 Dec 1;5223:187-196.