12th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD), Shanghai, China, 28 - 31 August 2012, pp.41-42, (Full Text)
Polarization-independent splitting of self-collimated transverse-electric and transverse-magnetic polarized waves in a two-dimensional square photonic crystal are demonstrated. The beam splitting is facilitated by the existence of sharp edges in flat equifrequency contours.