https://scholars.cityu.edu.hk/en/publications/perturbation-analysis-of-fused-tapered-single-mode-fibre-couplers/
PERTURBATION ANALYSIS OF FUSED TAPERED SINGLE-MODE FIBRE COUPLERS - CityUHK Scholars
single modefibre couplersperturbationanalysisfused
https://publications-cnrc.canada.ca/eng/view/object/?id=318c9b92-ad2b-4965-84cb-a779fa5dd318
Optical Pulse Compression and Breaking in Nonlinear Fibre Couplers - NRC Publications Archive -...
Optical Pulse Compression and Breaking in Nonlinear Fibre Couplers
breaking in