Robust single-mode laser via merging bound state in the continuum
Theoretical analysis of the merging BIC laser Figure 1a shows the schematic of our merging BIC laser. We…
Ultraviolet-C to mid-infrared supercontinuum generation in periodically poled lithium tantalate waveguides
Principle concept and structural design Figure 1 schematically illustrates the proposed waveguide structure for achieving UV to MIR…
Spectral level repulsion and Lifshitz-like states in hyperuniform disordered photonic networks
The samples investigated in this work are based on the design of a purely two-dimensional stealthy hyperuniform disordered…
Gigahertz-rate thin-film lithium niobate receiver for time-bin quantum communication
Device description and operating principle A conceptual device layout is shown in Fig. 1a. It consists of two…
Scientists Use AI To Supercharge Ultrafast Laser Simulations by More Than 250x
Artistic rendering of noncollinear sum-frequency generation (SFG): two infrared pulses mix in a χ² crystal to produce three…
Scientists Uncover Hidden Property of Light That Twists Matter Sideways
Light is known to exert tiny forces, but measuring them at the nanoscale has remained a major challenge.…
This New “Sound Laser” Could Measure Gravity With Stunning Precision
Phonon lasers are used to trap and levitate nanoparticles in the laboratory of Nick Vamivakas, the Marie C.…
Scientists Uncover “Astonishing” Hidden Property of Light
Scientists have discovered that light can naturally develop a hidden “handedness” as it travels through empty space, without…
Breakthrough Crystal Lets Scientists “Write” Nanoscale Patterns With Light
A 532-nm continuous-wave laser “sculpted” microscopic patterns onto a flake of As2S3, including a monochromatic portrait of Albert…
Topological control of chirality and spin with structured light
Concept of spin-orbit interactions driven by beam topology Before demonstrating how topological structuring enables SOI in paraxial light,…
Continuing To Advance European High Contrast Imaging Research And Development Towards HWO And LIFE
Artist’s impression of the LIFE nulling-interferometry mission, consisting of four collector spacecraft in a rectangular array configuration sending…
Scientists create tornado of light to power lasers, quantum devices
Light usually travels in straight lines, but what if it could twist, spiral, and behave like a miniature…