Vladimir
Aksyuk
Kim, S. ., Westly, D. ., Roxworthy, B. ., Li, Q. ., Yulaev, A. ., Srinivasan, K. ., & Aksyuk, V. . (2018). Photonic waveguide to free-space Gaussian beam extreme mode converter. Light: Science \& Applications, 7, 72. http://doi.org/10.1038/s41377-018-0073-2