title: Broadband cross polarization converter using plasmon hybridizations in a ring/disk cavity.
abstract: In this paper, we report on the design, fabrication and subsequent investigation of a broad band cross polarization converter based on a C2-symmetric ring/disk cavity. Different plasmon hybridization modes are excited in the ring/disk cavity and enable the polarization manipulations. The designed cross polarization converter can convert the x or y polarized incident wave to its cross polarized wave in the frequency range from 9.65 to 14.16 GHz with a bandwidth of ~38% of the central wavelength and an efficiency higher than 80%. At 9.25 GHz and 14.35 GHz, the x (y) polarized incident wave is converted to a left (right) handed and right (left) handed circularly polarized wave, respectively.
authors.forename: Hongyu
authors.initials: H
authors.lastname: Shi
authors.forename: Jianxing
authors.initials: J
authors.lastname: Li
authors.forename: Anxue
authors.initials: A
authors.lastname: Zhang
authors.forename: Jiafu
authors.initials: J
authors.lastname: Wang
authors.forename: Zhuo
authors.initials: Z
authors.lastname: Xu