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Related Experiment Video

Updated: Jun 2, 2026

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
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ZnO nanowire lasers.

Daniël Vanmaekelbergh1, Lambert K van Vugt

  • 1Debye Institute for Nanomaterials Science, University of Utrecht, PO Box 80.000, 3508 TA, Utrecht, The Netherlands. d.vanmaekelbergh@uu.nl

Nanoscale
|May 10, 2011
PubMed
Summary

This review covers the development of zinc oxide (ZnO) semiconductor lasers, focusing on nanowire properties and experimental studies. It discusses lasing mechanisms in ZnO nanowires, highlighting their unique optical behaviors.

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Area of Science:

  • Optoelectronics
  • Materials Science
  • Quantum Optics

Background:

  • The development of optical solid-state lasers, including semiconductor lasers, has a long history since Einstein's 1917 paper.
  • Zinc oxide (ZnO) demonstrated near-UV lasing in 1966, with a resurgence in research since 1995, particularly for room-temperature lasing.
  • Research has increasingly focused on one-dimensional ZnO nanowires since 2001, exploring their unique optical properties.

Purpose of the Study:

  • To review the optoelectronic properties of ZnO related to its wurtzite crystal structure.
  • To discuss how nanowire geometry modifies these properties, including confined photon and polariton modes.
  • To present experimental studies on laser emission from single ZnO nanowires and discuss current debates on lasing mechanisms.

Main Methods:

  • Description of optoelectronic properties of ZnO and wurtzite crystal structure.
  • Analysis of confined photon and polariton modes in ZnO nanowires.
  • Review of experimental studies on laser emission from single ZnO nanowires.

Main Results:

  • ZnO nanowires exhibit unique optical properties due to their geometry and sub-wavelength dimensions.
  • Experimental studies demonstrate laser emission from single ZnO nanowires under various conditions.
  • Special features arising from sub-wavelength dimensions are highlighted, with results from ZnO nanowires on a substrate presented.

Conclusions:

  • The study reviews the evolution and current state of ZnO nanowire lasers.
  • It emphasizes the importance of nanowire geometry in modifying optical properties and enabling lasing.
  • The ongoing debate regarding the lasing mechanism in ZnO nanowires is acknowledged.

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