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

R.R. Thomson, R.J. Harris, T.A. Birks, G. Brown, J. Allington-Smith, J. Bland-Hawthorn

Research output: Contribution to journalArticle

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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
Number of pages3
JournalOptics Letters
Volume37
Issue number12
DOIs
Publication statusPublished - 2012

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fans
waveguides
fibers
lasers
prototypes
output
linear arrays
photonics
fabrication

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Thomson, R. R., Harris, R. J., Birks, T. A., Brown, G., Allington-Smith, J., & 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

Ultrafast laser inscription of a 121-waveguide fan-out for astrophotonics. / Thomson, R.R.; Harris, R.J.; Birks, T.A.; Brown, G.; Allington-Smith, J.; Bland-Hawthorn, J.

In: Optics Letters, Vol. 37, No. 12, 2012, p. 2331-2333.

Research output: Contribution to journalArticle

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