Research

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


Reference:

Thomson, R.R., Harris, R.J., Birks, T.A., Brown, G., Allington-Smith, J. and Bland-Hawthorn, J., 2012. Ultrafast laser inscription of a 121-waveguide fan-out for astrophotonics. Optics Letters, 37 (12), pp. 2331-2333.

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    Official URL:

    http://dx.doi.org/10.1364/OL.37.002331

    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.

    Details

    Item Type Articles
    CreatorsThomson, R.R., Harris, R.J., Birks, T.A., Brown, G., Allington-Smith, J. and Bland-Hawthorn, J.
    DOI10.1364/OL.37.002331
    DepartmentsFaculty of Science > Physics
    Publisher StatementBirks_Optics_Letters_2012_37_12_2331.pdf: This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/OL.37.002331. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
    RefereedYes
    StatusPublished
    ID Code31048

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