1.9 µm waveguide laser fabricated by ultrafast laser inscription in Tm: Lu2O3 ceramic

J. Morris, N. K. Stevenson, H. T. Bookey, A. K. Kar, C. T.A. Brown, J. M. Hopkins, M. D. Dawson, A.A. Lagatsky

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The ultrafast laser inscription technique has been used to fabricate channel waveguides in Tm3+-doped Lu2O3 ceramic gain medium for the first time to our knowledge. Laser operation has been demonstrated using a monolithic microchip cavity with a continuous-wave Ti: sapphire pump source at 796 nm. The maximum output power achieved from the Tm: Lu2O3 waveguide laser was 81 mW at 1942 nm. A maximum slope efficiency of 9.5% was measured with the laser thresholds observed to be in the range of 50-200 mW of absorbed pump power. Propagation losses for this waveguide structure are calculated to be 0.7 dBcm-1 ± 0.3 dBcm-1 at the lasing wavelength.

LanguageEnglish
Pages14910-14917
Number of pages8
JournalOptics Express
Volume25
Issue number13
DOIs
Publication statusPublished - 20 Jun 2017

Fingerprint

waveguide lasers
ceramics
pumps
waveguides
lasers
continuous radiation
lasing
sapphire
slopes
cavities
thresholds
propagation
output
wavelengths

Keywords

  • solid state lasers
  • ultrafast lasers
  • waveguides
  • integrated optics devices

Cite this

Morris, J., Stevenson, N. K., Bookey, H. T., Kar, A. K., Brown, C. T. A., Hopkins, J. M., ... Lagatsky, A. A. (2017). 1.9 µm waveguide laser fabricated by ultrafast laser inscription in Tm: Lu2O3 ceramic. Optics Express, 25(13), 14910-14917. https://doi.org/10.1364/OE.25.014910
Morris, J. ; Stevenson, N. K. ; Bookey, H. T. ; Kar, A. K. ; Brown, C. T.A. ; Hopkins, J. M. ; Dawson, M. D. ; Lagatsky, A.A. / 1.9 µm waveguide laser fabricated by ultrafast laser inscription in Tm : Lu2O3 ceramic. In: Optics Express. 2017 ; Vol. 25, No. 13. pp. 14910-14917.
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Morris, J, Stevenson, NK, Bookey, HT, Kar, AK, Brown, CTA, Hopkins, JM, Dawson, MD & Lagatsky, AA 2017, '1.9 µm waveguide laser fabricated by ultrafast laser inscription in Tm: Lu2O3 ceramic' Optics Express, vol. 25, no. 13, pp. 14910-14917. https://doi.org/10.1364/OE.25.014910

1.9 µm waveguide laser fabricated by ultrafast laser inscription in Tm : Lu2O3 ceramic. / Morris, J.; Stevenson, N. K.; Bookey, H. T.; Kar, A. K.; Brown, C. T.A.; Hopkins, J. M.; Dawson, M. D.; Lagatsky, A.A.

In: Optics Express, Vol. 25, No. 13, 20.06.2017, p. 14910-14917.

Research output: Contribution to journalArticle

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