Single-mode lasers before the merger
A central problem in semiconductor lasers is deceptively simple: how can one increase optical performance without allowing unwanted…
Ultrafast triggering of strong coupling in a semiconductor terahertz Fabry-Pérot cavity
THz characterization of a photo-excited thin Si wafer When a semiconductor is excited above band-gap, its optical properties…
Scientists Reprogram How Light Travels in Just 74 Femtoseconds
Researchers have shown that nanoscale silicon structures can amplify an otherwise weak optical effect enough to control light…
Scientists Steer Infrared Light Through an “Invisible” Waveguide
Artist’s illustration of plasmon canalization in MoOCl₂, showing light propagating along a narrow channel. The image depicts the…
World’s First Photonic Time Crystal Can Reshape Light in Trillionths of a Second
A THz electromagnetic wave induces strong, fast temporal modulations that realize a photonic time crystal: a crystal lattice…
Topological Jackiw-Rebbi states in photonic Van der Waals heterostructures
Theoretical model for guided modes of photonic gratings Assuming continuous translational symmetry in the lateral y direction, the…
Scientists Turned a 200-Year-Old Light Trick Into a Modern Breakthrough
A Poisson spot contains four types of skyrmions in one light spot. Credit: Optica / NTU Singapore A…
Spin-photon qubits for scalable quantum network
Lodahl, P. Scaling up solid-state quantum photonics. Science 362, 646–646, https://doi.org/10.1126/science.aav3076 (2018). Article ADS Google Scholar Chanelière, T.…
Dynamically tunable membrane metasurfaces for infrared spectroscopy and strong light-matter interactions
To investigate the thermal tunability of the Si membrane metasurfaces, we first performed temperature-dependent optical characterization using a…
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…