Forward-looking: Columbia University researchers have developed a compact photonics chip capable of producing dozens of laser wavelengths from a single high-power source, a breakthrough that could ...
Researchers have developed a new optical computing material from photon avalanching nanoparticles. A research team co-led by Lawrence Berkeley National Laboratory (Berkeley Lab), Columbia University, ...
Tailored profiles: The working principle of the new metalaser. The designed geometric phase profile is introduced to the metasurface by rotating the hole in each silicon nitride nanodisk. Then the ...
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