Ultrafast all‐optical switching, possessing the unique function of light controlling light, is an
essential component of on‐chip ultrafast optical connection networks as well as integrated …

Integrated circuit (IC) industry has fully considered the fact that the Moore's Law is slowing
down or ending. Alternative solutions are highly and urgently desired to break the physical …

Nanostructures that feature nonreciprocal light transmission are highly desirable building
blocks for realizing photonic integrated circuits. Here, a simple and ultracompact photonic …

We experimentally demonstrate a photonic crystal structure that allows easy and robust
control of the Fano spectrum. Its operation relies on controlling the amplitude of light …

A novel design of a tunable optical switch based on epsilon-near-zero (ENZ) metasurface is
proposed, which can work as an electro-optical or an all-optical switch, and be tuned by gate …

The pivotal role played by semiconductor lasers in telecommunications and data storage
applications requires dealing with time lag and relaxation oscillations, which limit bandwidth …

It is shown that semiconductor nanoscale resonators with extreme dielectric confinement
accelerate the diffusion of electron-hole pairs excited by nonlinear absorption. The response …

Photonic techniques have potential to overcome the limitations of electronic digital-to-analog
conversion. A serial optical DAC, using fiber dispersion with optical weighted wavelength …

We experimentally demonstrate ultrafast all-optical modulation using an ultracompact InP
photonic-crystal Fano structure. In contrast to symmetric configurations previously …

The potential of GaAs‐based photonic crystals for fast all‐optical switching in the telecom
spectral range is exploited by controlling the surface recombination and, thereby, the carrier …