GLS and GLSSe ultrafast laser inscribed waveguides for mid-IR supercontinuum generation

Mark Donald Mackenzie, James M. Morris, Christian R. Petersen, Andrea Ravagli, Chris Craig, Daniel W. Hewak, Henry T. Bookey, Ole Bang, Ajoy Kumar Kar

Research output: Contribution to journalArticle

Abstract

Using the ultrafast laser inscription technique, buried channel waveguides have been fabricated in gallium lanthanum sulfide and gallium lanthanum sulfide selenide glasses to demonstrate the suitability of the materials for supercontinuum generation in the mid-IR. Supercontinuum generation was performed using 100 femtosecond pump pulses with micro- Joule pulse energies and a center wavelength of 4.6 μm, which is in the anomalous dispersion regime for these waveguides. Under such pump conditions, supercontinuum was obtained covering a 25-dB-bandwidth of up to 6.1 um with a long-wavelength edge of 8 μm. To our knowledge, this represents the broadest and the longest-wavelength IR supercontinuum generated from an ultrafast laser inscribed waveguide to date.

Original languageEnglish
Pages (from-to)643-651
Number of pages9
JournalOptical Materials Express
Volume9
Issue number2
Early online date17 Jan 2019
DOIs
Publication statusPublished - 1 Feb 2019

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Supercontinuum generation
Ultrafast lasers
Lanthanum
Gallium
Waveguides
Sulfides
Wavelength
Pumps
Bandwidth
Glass

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

Mackenzie, M. D., Morris, J. M., Petersen, C. R., Ravagli, A., Craig, C., Hewak, D. W., ... Kar, A. K. (2019). GLS and GLSSe ultrafast laser inscribed waveguides for mid-IR supercontinuum generation. Optical Materials Express, 9(2), 643-651. https://doi.org/10.1364/OME.9.000643
Mackenzie, Mark Donald ; Morris, James M. ; Petersen, Christian R. ; Ravagli, Andrea ; Craig, Chris ; Hewak, Daniel W. ; Bookey, Henry T. ; Bang, Ole ; Kar, Ajoy Kumar. / GLS and GLSSe ultrafast laser inscribed waveguides for mid-IR supercontinuum generation. In: Optical Materials Express. 2019 ; Vol. 9, No. 2. pp. 643-651.
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Mackenzie, MD, Morris, JM, Petersen, CR, Ravagli, A, Craig, C, Hewak, DW, Bookey, HT, Bang, O & Kar, AK 2019, 'GLS and GLSSe ultrafast laser inscribed waveguides for mid-IR supercontinuum generation', Optical Materials Express, vol. 9, no. 2, pp. 643-651. https://doi.org/10.1364/OME.9.000643

GLS and GLSSe ultrafast laser inscribed waveguides for mid-IR supercontinuum generation. / Mackenzie, Mark Donald; Morris, James M.; Petersen, Christian R.; Ravagli, Andrea; Craig, Chris; Hewak, Daniel W.; Bookey, Henry T.; Bang, Ole; Kar, Ajoy Kumar.

In: Optical Materials Express, Vol. 9, No. 2, 01.02.2019, p. 643-651.

Research output: Contribution to journalArticle

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AU - Craig, Chris

AU - Hewak, Daniel W.

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AU - Bang, Ole

AU - Kar, Ajoy Kumar

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Mackenzie MD, Morris JM, Petersen CR, Ravagli A, Craig C, Hewak DW et al. GLS and GLSSe ultrafast laser inscribed waveguides for mid-IR supercontinuum generation. Optical Materials Express. 2019 Feb 1;9(2):643-651. https://doi.org/10.1364/OME.9.000643