Fano interference of photon pairs from a metasurface
Materials with zinc-blende crystalline structure, such as GaAs, AlGaAs, GaP, InGaP, etc, are particularly attractive for non-linear wave…
Scientists Discover “Virtual Charges” That Exist Only When Light Hits
High-precision optical components used to manipulate attosecond light pulses. Credit: Politecnico di Milano A study led by Politecnico…
New Optics Tech Could Revolutionize Gravitational-Wave Astronomy
A breakthrough in laser instrumentation may transform how we study the universe’s most violent events. Credit: Shutterstock UC…
Tiny Multicolor Metalenses Could Revolutionize Drone and Phone Cameras
Researchers have developed a layered metalens design that can focus multiple colors at once, breaking through fundamental limits…
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 …