TY  - RPRT
TI  - Variable coupling coefficient nonlinear directional couplers with self-focusing and self-defocusing nonlinearity.
AU  - Gang J Liu
AU  - Bin M Liang
AU  - Qu Li
AU  - Guo L Jin
PY  - 2003
DO  - 10.1364/ao.42.004315
UR  - https://pubmed.ncbi.nlm.nih.gov/12921279/
ID  - 12921279
ER  -