Fig. 1: Structural diagram and optical performance of the “S”-shaped chiral Ag nanowire/InAs/Si-based CPL detector.
From: Electrical-gain-assisted circularly polarized photodetection based on chiral plasmonic metamaterials
a Comparison of gph, R, and stability of current CPL detectors based on organic chiral materials and inorganic chiral structures. b Structural diagram of an “S”-shaped chiral Ag/InAs/Si-based CPL detector, with a detailed view of the chiral Ag nanostructure, where θ1 = 20° and θ2 = 100°, R1 = 130 nm, R2 = 60 nm, R3 = 170 nm, a = 30 nm, W1 = 560 nm, and W2 = 460 nm. c Absorptivity spectra of the InAs layer, and d spatial distributions of electromagnetic field intensity in the left-handed Ag nanowires-based CPL detector under LCP and RCP light incidence. e The gabs spectra of CPL detectors based on left-handed and right-handed Ag nanowires
