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Visible metasurface-enhanced laser

Updated: May 22, 2022

In this work, we reveal a metasurface-enhanced laser that overcomes a key limitation in lasers: conjugate symmetry of light’s angular momentum. We demonstrate new high-purity orbital angular momentum (OAM) states with quantum numbers reaching 100 and non-symmetric vector vortex beams that lase simultaneously on independent OAM states as much as 90 apart. Our laser conveniently outputs in the visible, offering a compact and power-scalable source that harnesses intra-cavity structured matter for the creation of arbitrary chiral states of structured light.

​It is published in Nature Photonics, press release from


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