Nanophotonics studies the generation, manipulation, confinement, and detection of light at nanometer length scales, where optical behavior is shaped by structures smaller than or comparable to the wavelength of light. It includes photonic crystals, plasmonic structures, nanoantennas, quantum emitters, cavities, waveguides, metasurfaces, and light-emitting nanomaterials. Nanophotonics connects optics, materials science, quantum physics, electronics, and nanofabrication.
Nanophotonics matters because controlling light at small scales enables faster communication, more sensitive detection, compact imaging systems, efficient light sources, solar-energy devices, quantum technologies, and integrated optical circuits. It is relevant to sensors, displays, photodetectors, lasers, biosensing, optical computing, and single-photon devices. The field overlaps with plasmonics, metasurfaces, and light-matter interaction, where nanoscale geometry determines optical response.
Conferences on nanophotonics appear in optics, photonics, nanotechnology, materials science, quantum engineering, and semiconductor programs. Sessions often focus on integrated photonics, nanoemitters, cavities, nonlinear optics, photonic materials, and fabrication. Tracking nanophotonics events helps researchers follow a field where nanoscale design is reshaping how light is used in information, sensing, energy, and imaging systems.
To learn more, read our detailed glossary article on nanophotonics.