Ultrafast laser inscription of an integrated photonic lantern

R R Thomson; Tim A Birks; S G Leon-Saval; A K Kar; J Bland-Hawthorn

doi:10.1364/OE.19.005698

Ultrafast laser inscription of an integrated photonic lantern

R R Thomson, Tim A Birks, S G Leon-Saval, A K Kar, J Bland-Hawthorn

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Abstract

We used ultrafast laser inscription to fabricate three-dimensional integrated optical transitions that efficiently couple light from a multimode waveguide to a two-dimensional array of single mode waveguides and back. Although the entire device has an average insertion loss of 5.7 dB at 1539 nm, only 0.7 dB is due to mode coupling losses. Based on an analysis which is presented in the paper, we expect that our device should convert a multimode input into an array of single modes with a loss of 2.0 dB, assuming the input coupling losses are zero. Such devices have applications in astrophotonics and remote sensing.

Original language	English
Pages (from-to)	5698-5705
Number of pages	8
Journal	Optics Express
Volume	19
Issue number	6
Early online date	11 Mar 2011
DOIs	https://doi.org/10.1364/OE.19.005698
Publication status	Published - 14 Mar 2011

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© 2011 OSA. This paper was published in Optics Express 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/OE.19.005698 Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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Ultrafast laser inscription of an integrated photonic lantern

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