@article{ShamoninChamonineLohmeyerHertel1997, author = {Mikhail Shamonin (Chamonine) and M. Lohmeyer and P. Hertel}, title = {Directional coupler based on radiatively coupled waveguides}, journal = {Applied optics (Appl. Opt.)}, volume = {36}, number = {3}, pages = {635 -- 641}, doi = {10.1364/ao.36.000635}, url = {https://opg.optica.org/ao/abstract.cfm?URI=ao-36-3-635}, year = {1997}, }