By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

Figure 3: Dispersion (ω–k) diagram for slow light. In the slow-light regime, the phase change (proportional to Δk ) is much larger for a given change in refractive index (from solid to dashed ...

A new publication from Opto-Electronic Sciences; DOI 10.29026/oes.2025.240024, discusses generation of terahertz complex ...