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…
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 …
A single-photon source based on topological bulk cavity
Design of single-photon source based on topological bulk state Figure 1 provides a detailed illustration of the design…
New laser helps decode rare earth element samarium’s secret spectrum
Scientists in Germany have uncovered previously unknown properties of the rare Earth element samarium by developing a powerful…
Ultrabroadband air-dielectric double-chirped mirrors for laser frequency combs
Design of pump-DUT dimension and measurement procedure As shown in Fig. 2a in the main text, broadband illumination…
Achromatic beam deflector with electrodynamic phased arrays
Chromatic aberration in the beam deflector and its compensation Beam steering with LC leverages its anisotropic characteristics to…
Spin-orbit coupling in van der Waals materials for optical vortex generation
Figure 1a schematically illustrates the creation of optical vortices via spin-orbit coupling in the hBN crystal. As shown…
Harvard’s ultra-thin chip breakthrough sets new standard for quantum optics
Researchers at Harvard University have developed a new method for conducting complex quantum operations using a single, flat…