Laser Technology Nonlinear Optics Single-Photon Detection Light Manipulation Metasurfaces Optical Fibers Nanocrystals Data Transmission Optical Devices Four-Wave Mixing Light Trapping Optical Communication Microfabrication Twisted Bi-layer Systems Microring Modulators Light-Matter Interactions Photon Entanglement Time-of-Flight Imaging Chip Technology Nanophotonics Synthetic Photonic Networks Optical Non-reciprocity Light Pressure Photoresponse Quantum Technologies Light Pressure Mechanics Photonic Computer Chips Multiphoton Imaging Computational Methods Quantum Key Distribution Optical Neural Networks Quantum Photonics Photon Avalanching Spatial Correlation Integrated Photonics Microcombs Light Amplification Quantum Entanglement Laser Systems
The engineered film spaces molecules with alkyl chains so triplet–triplet annihilation produces UV photons without toxic solvents, offering a possible sunlight‑driven source for purification and curing.