Journal
OPTICS LETTERS
Volume 33, Issue 22, Pages 2689-2691Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.33.002689
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- Deutsche Forschungsgerneinschaft (DFG)
- Federal Ministry of Education and Research [03ZIK051]
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We investigate the influence of second-order coupling in femtosecond-laser-written zigzag waveguide arrays, where the ratio A between second- and first-order coupling constants is adjusted from Delta=0.0 to Delta=2.8. Propagation patterns are observed directly via color center fluorescence. (C) 2008 Optical Society of America
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