Gold Metacrystal Enables Room-Temperature Quantum Light Transport
LSU researchers have built a plasmonic metacrystal—a gold-on-glass nano-patterned film—capable of guiding certain quantum states of light at room temperature. By engineering the meta-atoms, the crystal acts as a statistical filter that preserves quantum states without cryogenic cooling, a proof-of-concept with potential applications in quantum computing, communications, and solar energy; future work will explore using the crystal to improve light guiding in solar cells.