We have fabricated compact optical modulators consisting of a Si waveguide with a VO_2
cladding layer. These devices showed a sharp decrease in transmittance at around 60° C …

We investigated the switching dynamics of optical modulators consisting of a Si waveguide
with a VO_2 cladding layer by utilizing the photothermal effect, which induces a metal …

We have integrated lithographically patterned VO_2 thin films grown by pulsed laser
deposition with silicon-on-insulator photonic waveguides to demonstrate a compact in-line …

In this paper, a horizontal slot Si–VO_2–Si optical waveguide is proposed and its optical
properties are investigated. Numerical simulation results show that the effective index and …

Subwavelength modulators play an indispensable role in integrated photonic-electronic
circuits. Due to weak light-matter interactions, it is always a challenge to develop a …

Vanadium dioxide (VO 2) is a phase change material (PCM) that exhibits a large change in
complex refractive index on the order of unity upon switching from its dielectric to its metallic …

Silicon has long been the optimal material for electronics, but it is only relatively recently that
it has been considered as a material option for photonics. One of the key limitations for using …

Nowadays, the development of modern optical systems relies on optical device size
minimization and operating power reduction. Optical modulator based on silicon on insulator …

The metal-to-insulator transition (MIT) property of vanadium dioxide (VO2) has recently been
used in several application fields such as plasmonics, sensing, metamaterials, and optical …

We experimentally demonstrate a broadband electro-absorption modulator exploiting
indium tin oxide (ITO) as the active switching material. Si strip waveguides are fabricated …