Unidirectional plasmonic Bragg reflector based on longitudinally asymmetric nanostructures

Chen Mingsong¹, Pan Lulu^{1, 2}, Lu Yuanfu^{2, †}, Li Guangyuan^{2, ‡}

R ± and T versus (a) the operating wavelength, (b) the period, and (c) the number of nanostructures. Except for the varying parameters, the calculations are performed with h = 150 nm, w = 210 nm, p = 280 nm, N = 4, and λ = 800 nm .