Tommy Geisler, Martin E. V. Pedersen, Soren Herstrom. Measurement of spatial and polarization birefringence in two-mode elliptical core fibers. In 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), Anaheim, CA, USA, March 17-21, 2013. pages 1-3, IEEE, 2013. [doi]