Ultrafast laser inscription of an integrated photonic lantern

Details Ultrafast laser inscription of an integrated photonic lantern Ultrafast laser inscription of an integrated photonic lantern

Mar 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011oexpr..19.5698t&link_type=abstract

Optics Express, vol. 19, issue 6, p. 5698-5705

Physics

Optics

5

Scientific paper

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.

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