Second-order coupling in femtosecond-laser-written waveguide arrays
- 14 November 2008
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 33 (22) , 2689-2691
Abstract
We investigate the influence of second-order coupling in femtosecond-laser-written zigzag waveguide arrays, where the ratio Δ between second- and first-order coupling constants is adjusted from to . Propagation patterns are observed directly via color center fluorescence.
Keywords
Funding Information
- Deutsche Forschungsgemeinschaft (DFG)
- Federal Ministry of Education and Research (03ZIK051)
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