2022.11.21
Photonic crystal fibers guide light with empty space
Air holes and microstructured cladding let engineers tune dispersion, nonlinear response, and sensing performance beyond conventional fiber.
Views 10,594Comments 8
OPTICAL MATERIALS
Optical Materials
2023.11.07
Quantum-dot displays are a lesson in controlled confinement
The size of a nanocrystal changes its emission color, while shell design and film processing protect brightness and lifetime.
Views 8,590Comments 8
2024.03.03
Metamaterial surfaces reshape antennas without adding bulk
Subwavelength resonators can steer, filter, or absorb electromagnetic waves when their geometry is fabricated with enough precision.
Views 18,110Comments 8