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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 12 — Jun. 15, 2012
  • pp: 2331–2333

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, and J. Bland-Hawthorn  »View Author Affiliations

Optics Letters, Vol. 37, Issue 12, pp. 2331-2333 (2012)

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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 7.0dB. 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 1.7dB. With adequate development, similar devices could efficiently reformat the output of so-called “photonic lanterns” fabricated using highly multicore fibers.

© 2012 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(140.3390) Lasers and laser optics : Laser materials processing

ToC Category:
Lasers and Laser Optics

Original Manuscript: February 28, 2012
Manuscript Accepted: April 25, 2012
Published: June 8, 2012

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

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