Wideband-tuneable, nanotube mode-locked, fibre laser

F. Wang, A. G. Rozhin, V. Scardaci, Z. Sun, F. Hennrich, I. H. White, W. I. Milne, A. C. Ferrari

Research output: Contribution to journalArticle

535 Citations (Scopus)

Abstract

Ultrashort-pulse lasers with spectral tuning capability have widespread applications in fields such as spectroscopy, biomedical research and telecommunications. Mode-locked fibre lasers are convenient and powerful sources of ultrashort pulses, and the inclusion of a broadband saturable absorber as a passive optical switch inside the laser cavity may offer tuneability over a range of wavelengths. Semiconductor saturable absorber mirrors are widely used in fibre lasers, but their operating range is typically limited to a few tens of nanometres, and their fabrication can be challenging in the 1.3-1.5 νm wavelength region used for optical communications. Single-walled carbon nanotubes are excellent saturable absorbers because of their subpicosecond recovery time, low saturation intensity, polarization insensitivity, and mechanical and environmental robustness. Here, we engineer a nanotube-polycarbonate film with a wide bandwidth (>300 nm) around 1.55 νm, and then use it to demonstrate a 2.4 ps Er 3+ -doped fibre laser that is tuneable from 1,518 to 1,558 nm. In principle, different diameters and chiralities of nanotubes could be combined to enable compact, mode-locked fibre lasers that are tuneable over a much broader range of wavelengths than other systems.

Original languageEnglish
Pages (from-to)738-742
Number of pages5
JournalNature Nanotechnology
Volume3
Issue number12
DOIs
Publication statusPublished - 2 Nov 2008

ASJC Scopus subject areas

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

Cite this

Wang, F., Rozhin, A. G., Scardaci, V., Sun, Z., Hennrich, F., White, I. H., ... Ferrari, A. C. (2008). Wideband-tuneable, nanotube mode-locked, fibre laser. Nature Nanotechnology, 3(12), 738-742. https://doi.org/10.1038/nnano.2008.312

Wideband-tuneable, nanotube mode-locked, fibre laser. / Wang, F.; Rozhin, A. G.; Scardaci, V.; Sun, Z.; Hennrich, F.; White, I. H.; Milne, W. I.; Ferrari, A. C.

In: Nature Nanotechnology, Vol. 3, No. 12, 02.11.2008, p. 738-742.

Research output: Contribution to journalArticle

Wang, F, Rozhin, AG, Scardaci, V, Sun, Z, Hennrich, F, White, IH, Milne, WI & Ferrari, AC 2008, 'Wideband-tuneable, nanotube mode-locked, fibre laser', Nature Nanotechnology, vol. 3, no. 12, pp. 738-742. https://doi.org/10.1038/nnano.2008.312
Wang F, Rozhin AG, Scardaci V, Sun Z, Hennrich F, White IH et al. Wideband-tuneable, nanotube mode-locked, fibre laser. Nature Nanotechnology. 2008 Nov 2;3(12):738-742. https://doi.org/10.1038/nnano.2008.312
Wang, F. ; Rozhin, A. G. ; Scardaci, V. ; Sun, Z. ; Hennrich, F. ; White, I. H. ; Milne, W. I. ; Ferrari, A. C. / Wideband-tuneable, nanotube mode-locked, fibre laser. In: Nature Nanotechnology. 2008 ; Vol. 3, No. 12. pp. 738-742.
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