In conclusion, we have demonstrated light-driven plasmonic color fi lters by inte- grating gold AAAs with photoresponsive LCs. The light-excited PSPs and CSPs play a collective role in their transmission prop- erties. PSP-induced transmission gradu- ally plays a dominant role as the aperture size increases. This device demonstrates an all-optical modulation of the transmis- sion intensity due to the trans – cis photo- isomerization-induced N–I phase transition of the LCs. The all-optical tuning behavior is highly reversible and reproducible. Our future work includes developing red, green, and blue plasmonic color fi lters with opti- mized performance. We expect that with such three color fi lters, any color could be achieved by optically controlling their compositions, thus advancing information displays.
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