The phase noise of microwaves extracted from optical frequency combs is fundamentally limited by thermal and shot noise, which is inherent in photodetection. Saturation of a photodiode due to the high ...

Prof. Andrew POON (left), Head and Professor of the Department of Electronic and Computer Engineering at HKUST, and PhD student NIU Yue (right) at the Photonic Device Laboratory. Programmable ...

The junction composed of traditional metals and 2D semiconductors is a key component of semiconductor devices. Ideally, Schottky barrier height (SBH) can be obtained based on the relative alignment of ...

Conventional vision-based systems, such as cameras, have demonstrated their enormous versatility in sensing human activities and developing interactive environments. However, these systems have long ...

The performance of flexible large-area organic photodiodes has advanced to the point that they can now offer advantages over conventional silicon photodiode technology, particularly for applications ...

The photodiode and detector control the capacitive discharge ignition system for the engine. The photodiode emits light at a single frequency. When this light is reflected from a coupon attached to ...

Most of today's imaging sensors are based on CMOS technology and inorganic photodetectors that convert light signals into electric signals. Although photodetectors made from organic materials are ...

Using green light and a double-layered cell, PhD researcher Riccardo Ollearo from Eindhoven University of Technology ("TU/e") has come up with a photodiode that has record sensitivity. Solar panels ...

A new level of stretchability: The scientists involved in the study (from left to right): lab leaders Bernard Kippelen, Samuel Graham and Olivier Pierron, and first author Youngrak Park. (Courtesy: ...

The performance of flexible large-area organic photodiodes has advanced to the point that they can now offer advantages over conventional silicon photodiode technology, particularly for applications ...