Fig. 1. Schematic of the proposed PCMN arrays: (a) Three dimensional schematic of PCMN; (b) unit schematic of PCMN in xy plane

Fig. 2. Absorption and CD spectra of PCMN and GNS arrays: (a), (c) Simulated A_–, A₊ spectra; (b), (d) CD spectra of PCMN and GNS arrays. The insert figures indicate the structure schematic of PCMN and GNS in x-y plane, respectively.

Fig. 3. Surface charge density distribution of proposed PCMN and GNS at the resonant wavelength with different circularly polarized illuminations: (a), (b), (c), (d), (i), (j), (k) and (l) for LCP light; (e), (f), (g), (h), (m), (n), (o) and (p) for RCP light.

Fig. 4. CD spectra of PCMN arrays with different parameter; CD spectraof PCMN arrays with (a) different l₁ (b) different l₂, (c) different l₃, (d) different l₄, (e) different l₅nanorod and (f) different w₁of the infinite long nanowire.

Fig. 5. Absorption and CD spectra of the separated PCMN arrays: (a) Absorption spectrum; (b) CD spectrum; The insert figures indicate the charge distribution at resonance wavelength (crimson and blue), and structure schematic (yellow) of separated PCMN in xy plane.