Ultrafast laser inscription of an integrated photonic lantern

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

Research output: Contribution to journalArticle

176 Citations (Scopus)

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. © 2011 Optical Society of America.

Original languageEnglish
Pages (from-to)5698-5705
Number of pages8
JournalOptics Express
Volume19
Issue number6
DOIs
Publication statusPublished - 14 Mar 2011

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