A polarization splitter and rotator that is compatible with optical integration is presented. In contrast to prior efforts to achieve this functionality, the adiabatic nature of this approach allows for nearly ideal performance over the 1.5-1.6µm regime.
Watts, M. R., Gorni, G., Cherchi, M., & Haus, H. A. (2003). Polarization splitting and rotating through adiabatic transitions. In Integrated Photonics Research Optical Society of America OSA. https://doi.org/10.1364/ipr.2003.imc3