Ultrafast laser inscription of a 121-waveguide fan-out for astrophotonics

Robert Thomson, Rob Harris, Tim Birks, Graeme Brown, Jeremy R. Allington-Smith, J. Bland-Hawthorn

Research output: Contribution to journalLetter

Abstract

Using ultrafast laser inscription, we report the fabrication of a prototype three-dimensional 121-waveguide fan-out device capable of reformatting the output of a 120-core multicore fiber (MCF) into a one-dimensional linear array. When used in conjunction with an actual MCF, we demonstrate that the reformatting function using this prototype would result in an overall through put loss of ˜7.0??dB. However, if perfect coupling from the MCF into the fan-out could be achieved, the reformatting function would result in an overall loss of only ˜1.7??dB. With adequate development, similar devices could efficiently reformat the output of so-called “photonic lanterns” fabricated using highly multicore fibers.

Original languageEnglish
Pages (from-to)2331-2333
JournalOptics Letters
Volume37
Issue number12
Early online date2 May 2012
DOIs
Publication statusPublished - 8 Jun 2012

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Thomson, R., Harris, R., Birks, T., Brown, G., Allington-Smith, J. R., & Bland-Hawthorn, J. (2012). Ultrafast laser inscription of a 121-waveguide fan-out for astrophotonics. Optics Letters, 37(12), 2331-2333. https://doi.org/10.1364/OL.37.002331
Thomson, Robert ; Harris, Rob ; Birks, Tim ; Brown, Graeme ; Allington-Smith, Jeremy R. ; Bland-Hawthorn, J. / Ultrafast laser inscription of a 121-waveguide fan-out for astrophotonics. In: Optics Letters. 2012 ; Vol. 37, No. 12. pp. 2331-2333.
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Thomson, R, Harris, R, Birks, T, Brown, G, Allington-Smith, JR & Bland-Hawthorn, J 2012, 'Ultrafast laser inscription of a 121-waveguide fan-out for astrophotonics', Optics Letters, vol. 37, no. 12, pp. 2331-2333. https://doi.org/10.1364/OL.37.002331

Ultrafast laser inscription of a 121-waveguide fan-out for astrophotonics. / Thomson, Robert; Harris, Rob; Birks, Tim; Brown, Graeme; Allington-Smith, Jeremy R.; Bland-Hawthorn, J.

In: Optics Letters, Vol. 37, No. 12, 08.06.2012, p. 2331-2333.

Research output: Contribution to journalLetter

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AU - Harris, Rob

AU - Birks, Tim

AU - Brown, Graeme

AU - Allington-Smith, Jeremy R.

AU - Bland-Hawthorn, J.

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Thomson R, Harris R, Birks T, Brown G, Allington-Smith JR, Bland-Hawthorn J. Ultrafast laser inscription of a 121-waveguide fan-out for astrophotonics. Optics Letters. 2012 Jun 8;37(12):2331-2333. https://doi.org/10.1364/OL.37.002331