2 μm solid-state laser mode-locked by single-layer graphene

A. A. Lagatsky*, Z. Sun, T. S. Kulmala, R. S. Sundaram, S. Milana, F. Torrisi, O. L. Antipov, Y. Lee, J. H. Ahn, C. T. A. Brown, W. Sibbett, A. C. Ferrari

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

We report a 2 μm ultrafast solid-state Tm : Lu2O3 laser, mode-locked by single-layer graphene, generating transform-limited similar to 410 fs pulses, with a spectral width similar to 11.1 nm at 2067 nm. The maximum average output power is 270 mW, at a pulse repetition frequency of 110 MHz. This is a convenient high-power transform-limited ultrafast laser at 2 μm for various applications, such as laser surgery and material processing.

Original languageEnglish
Article number013113
Number of pages4
JournalApplied Physics Letters
Volume102
Issue number1
DOIs
Publication statusPublished - 7 Jan 2013

Keywords

  • Nanotube saturable absorber
  • Doped fibre laser
  • Femtosecond laser
  • Ultrafast photonics
  • Raman-spectroscopy
  • Phase exfoliation
  • Carbon
  • Transparent
  • Graphite

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