Kabir, Md. Anowar; Ahmed, Kawsar; Hassan, Md. Mehedi; Hossain, Md. Moynul; Paul, Bikash Kumar
(Optics Communications, Elsevier, 2020-01-15)
In this letter, a hollow core ring based circular photonic crystal fiber (PCF) is explored and proposed with stably supporting terahertz (THz) orbital angular momentum (OAM) states transmission. The proposed PCF is discussed, ...