Polarization-dependent TE11-to-TE11/TE01 waveguide mode converter for transmission line mode switching D.I. Sobolev, G.G. Denisov, A.G. Eremeev, V.V. Holoptsev and A.I. Tsvetkov EPJ Web Conf., 149 (2017) 04017 Published online: 04 August 2017 DOI: 10.1051/epjconf/201714904017