Scientists discover strange “narwhal” waves that trap light beyond known limits
Physicists at Peking University have uncovered a new way to confine light far beyond conventional limits — without relying on metals and their inherent energy dissipation. By formulating the singular dispersion equation, the team discovered narwhal-shaped wavefunctions that trap light at deep-subwavelength volumes in purely dielectric materials. The advance, dubbed singulonics, could pave the way for ultra-efficient photonic chips, new quantum technologies, and imaging tools
Researchers at Peking University have identified a novel method for trapping light to volumes significantly smaller than previously thought possible. This breakthrough, achieved using purely dielectric materials, bypasses the need for metals and their associated energy losses. The scientists developed "narwhal-shaped" wavefunctions, described by a singular dispersion equation, which enable this deep-subwavelength confinement of light.
This discovery, termed singulonics, holds the potential to revolutionize photonic chips, quantum technologies, and high-resolution imaging.
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