title: Mid-infrared tunable optical polarization converter composed of asymmetric graphene nanocrosses.
abstract: We present a mid-IR highly tunable optical polarization converter composed of asymmetric graphene nanocrosses. It can convert linearly polarized light to circularly and elliptically polarized light or exhibit a giant optical activity at different wavelengths. The transmitted wavelength and polarization states can also be dynamically tuned by varying the Fermi energy of graphene, without reoptimizing and refabricating the nanostructures. This offers a further step in developing a controllable polarization converter.
authors: The Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, School of Physics and TEDA Applied Physics School, Nankai University, Tianjin, China.
authors: Hua
authors: H
authors: Cheng
authors: Shuqi
authors: S
authors: Chen
authors: Ping
authors: P
authors: Yu
authors: Jianxiong
authors: J
authors: Li
authors: Li
authors: L
authors: Deng
authors: Jianguo
authors: J
authors: Tian