Frontmatter

Artikel in diesem Heft

1. Frontmatter
2. Research Articles
3. Enhancing second harmonic generation by Q-boosting lossless cavities beyond the time bandwidth limit
4. MHz repetition rate femtosecond radially polarized vortex laser direct writing Yb:CaF₂ waveguide laser operating in continuous-wave and pulsed regimes
5. Redundancy-free integrated optical convolver for optical neural networks based on arrayed waveguide grating
6. Grating-lobe-free optical phased array with 2-D circular sparse array aperture and high-efficiency phase calibration
7. Active Huygens’ metasurface based on in-situ grown conductive polymer
8. Topological n-root Su–Schrieffer–Heeger model in a non-Hermitian photonic ring system
9. Scan-less microscopy based on acousto-optic encoded illumination
10. Orthogonally and linearly polarized green emission from a semipolar InGaN based microcavity
11. Twelve-channel LAN wavelength-division multiplexer on lithium niobate
12. Prominently enhanced luminescence from a continuous monolayer of transition metal dichalcogenide on all-dielectric metasurfaces