WebJan 6, 2024 · Vanadium dioxide (VO2) is an interesting material for hybrid photonic integrated devices due to its insulator–metal phase transition. Utilizing the hysteresis of the phase transition in voltage-biased VO2, we demonstrate a compact hybrid VO2–silicon optical memory element integrated into a silicon waveguide. An optical pulse writes the … WebJan 6, 2024 · (GSST))5−9 and antimony-based chalcogenides (e.g., Sb 2 S 3 and Sb 2 Se 3), 10−12 utilizing amorphous−crystalline phase transition. Although they can offer …
Ghana Space Science & Technology Institute
WebHere we demonstrate an on-chip programmable multi-level non-volatile photonic memory based on an ultra-compact (<4pm) hybrid GSST-silicon Mach Zehnder modulator, with … WebThe low optical loss of Ge2Sb2Se4Te1 (GSST) makes it a potential functional material for all-optical multilevel photonics memory devices that can operate in the optical … latin istennő
Electrically reconfigurable non-volatile metasurface using low …
WebAug 23, 2024 · The most promising non-volatile photonic components employ phase change materials such as GST and GSST, which had their origin in electronic memory. However, in the optical domain, these compounds introduce significant losses potentially preventing a large number of applications. Here, we evaluate the use of two newly … WebMay 15, 2024 · Here we demonstrate an on-chip programmable multi-level non-volatile photonic memory based on an ultra-compact (<; 4μm) hybrid GSST-silicon Mach Zehnder modulator, with low insertion losses (3dB), used as node in a photonic neural network that effortlessly perform inference. WebApr 1, 2024 · The GSST studies done until now can be broadly classified into three broad categories: bulk GSST, thin-film GSST, and GSST in a photonic device. In this section, … latin iv online