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

James Morris, N. K. Stevenson, Henry T. Bookey, Ajoy Kumar Kar, Christian T. A. Brown, J.-M. Hopkins, M. D. Dawson, Alexander Lagatsky

Research output: Contribution to journalArticle

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 dB⋅cm−1 ± 0.3 dB⋅cm−1 at the lasing wavelength.
Original languageEnglish
Pages (from-to)14910-14917
Number of pages8
JournalOptics Express
Volume25
Issue number13
Early online date20 Jun 2017
DOIs
StatePublished - 26 Jun 2017

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Waveguides
Lasers
laser
waveguide lasers
ceramics
pumps
waveguides
Ultrafast lasers
Pumps
pump
continuous radiation
lasing
sapphire
slopes
cavities
thresholds
propagation
output
wavelengths
Sapphire

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Morris, J., Stevenson, N. K., Bookey, H. T., Kar, A. K., Brown, C. T. A., Hopkins, J-M., ... Lagatsky, A. (2017). 1.9 µm waveguide laser fabricated by ultrafast laser inscription in Tm:Lu2O3 ceramic. Optics Express, 25(13), 14910-14917. DOI: 10.1364/OE.25.014910

Morris, James; Stevenson, N. K.; Bookey, Henry T.; Kar, Ajoy Kumar; Brown, Christian T. A.; Hopkins, J.-M.; Dawson, M. D.; Lagatsky, Alexander / 1.9 µm waveguide laser fabricated by ultrafast laser inscription in Tm:Lu2O3 ceramic.

In: Optics Express, Vol. 25, No. 13, 26.06.2017, p. 14910-14917.

Research output: Contribution to journalArticle

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title = "1.9 µm waveguide laser fabricated by ultrafast laser inscription in Tm:Lu2O3 ceramic",
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 dB⋅cm−1 ± 0.3 dB⋅cm−1 at the lasing wavelength.",
author = "James Morris and Stevenson, {N. K.} and Bookey, {Henry T.} and Kar, {Ajoy Kumar} and Brown, {Christian T. A.} and J.-M. Hopkins and Dawson, {M. D.} and Alexander Lagatsky",
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Morris, J, Stevenson, NK, Bookey, HT, Kar, AK, Brown, CTA, Hopkins, J-M, Dawson, MD & Lagatsky, A 2017, '1.9 µm waveguide laser fabricated by ultrafast laser inscription in Tm:Lu2O3 ceramic' Optics Express, vol 25, no. 13, pp. 14910-14917. DOI: 10.1364/OE.25.014910

1.9 µm waveguide laser fabricated by ultrafast laser inscription in Tm:Lu2O3 ceramic. / Morris, James; Stevenson, N. K.; Bookey, Henry T.; Kar, Ajoy Kumar; Brown, Christian T. A.; Hopkins, J.-M.; Dawson, M. D.; Lagatsky, Alexander.

In: Optics Express, Vol. 25, No. 13, 26.06.2017, p. 14910-14917.

Research output: Contribution to journalArticle

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AU - Kar,Ajoy Kumar

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AU - Hopkins,J.-M.

AU - Dawson,M. D.

AU - Lagatsky,Alexander

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AB - 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 dB⋅cm−1 ± 0.3 dB⋅cm−1 at the lasing wavelength.

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Morris J, Stevenson NK, Bookey HT, Kar AK, Brown CTA, Hopkins J-M et al. 1.9 µm waveguide laser fabricated by ultrafast laser inscription in Tm:Lu2O3 ceramic. Optics Express. 2017 Jun 26;25(13):14910-14917. Available from, DOI: 10.1364/OE.25.014910