New Lensless Camera Sees in 3D Using Ancient Pinhole Tech
Researchers use laser light to form a tiny “optical pinhole” inside a nonlinear crystal, which also turns the…
All-optical polarization encoding and modulation by nonlinear interferometry at the nanoscale
Neshev, D. N. & Miroshnichenko, A. E. Enabling smart vision with metasurfaces. Nat. Photonics 17, 26–35 (2023). Article …