@article { wang2016ultra, title = {Ultra-Compact Sub-Wavelength Grating Polarization Splitter-Rotator for Silicon-on-Insulator Platform}, journal = {IEEE Photonics Journal}, volume = {8}, number = {6}, year = {2016}, pages = {1--9}, publisher = {IEEE}, type = {article}, author = { Wang, Yun and Ma, Minglei and Yun, Han and Lu, Zeqin and Wang, Xu and Jaeger, Nicolas AF and Chrostowski, Lukas } }