Nonvolatile switching is still a missing functionality in current mainstream silicon photonics
complementary metal‐oxide‐semiconductor platforms. Fundamentally, nonvolatile switching …

Atomic layer deposition (ALD) is a method of choice for the growth of highly conformal thin
films with accurately controlled thickness on planar and nanostructured surfaces. These …

Optical nonlinear functions are crucial for various applications in integrated photonics,
including all-optical information processing, photonic neural networks, and on-chip ultrafast …

The intriguing physics of vanadium dioxide (VO 2) makes it not only a fascinating object of
study for fundamental research on solid-state physics but also an attractive means to actively …

Optical phase change materials (O-PCMs) are being explored for a variety of photonic
applications due to the extraordinarily large changes in optical properties that occur during …

We demonstrate a hybrid silicon–vanadium dioxide (Si-VO2) electro-optic modulator that
enables direct probing of both the electrically triggered semiconductor-to-metal phase …

We combine ultrafast electron diffraction and time-resolved terahertz spectroscopy
measurements to link structure and electronic transport properties during the photoinduced …

Phase-change materials (PCMs) have emerged as promising active elements in silicon (Si)
photonic systems. In this work, we design, fabricate, and characterize a hybrid Si-PCM …

Ultra-compact waveguide electroabsorption optical switches and photodetectors with micron-
and sub-micron lengths and compatible with silicon (Si) waveguides are demonstrated …

Vanadium dioxide (VO_2) is a promising reconfigurable optical material and has long been
a focus of condensed matter research owing to its distinctive semiconductor-to-metal phase …