KAUST researchers in the Sensors Lab are developing neuromorphic circuits for vision sensors, drawing inspiration from the human eye. They created flexible photoreceptors using hybrid perovskite materials, with capacitance tunable by light stimulation, mimicking the human retina. The team collaborates with experts in image characterization and brain pattern recognition to connect the 'eye' to the 'brain' for object identification. Why it matters: This biomimetic approach promises advancements in AI, machine learning, and smart city development within the region.
KAUST researchers have developed an artificial electronic retina mimicking the behavior of rod retina cells, utilizing a hybrid perovskite material (MAPbBr3) embedded in PVDF-TrFE-CEF. The photoreceptor array, made of metal-insulator-metal capacitors, detects light intensity through changes in electrical capacitance. Connected to a CMOS-sensing circuit and a spiking neural network, the 4x4 array achieved around 70 percent accuracy in recognizing handwritten numbers. Why it matters: This research paves the way for energy-efficient neuromorphic vision sensors and advanced computer vision applications, potentially revolutionizing camera technology.
KAUST startup Quantum Solutions manufactures quantum dots, semiconducting nanoparticles that emit light with controllable energy. These dots are being explored for applications including displays, photodetectors, and solar cells. Quantum dots can enhance the efficiency of silicon solar panels by absorbing infrared light. Why it matters: This highlights the potential of KAUST-incubated startups to contribute to advanced materials science and renewable energy technologies in the region.
Researchers at KAUST have developed a nanocomposite material that converts X-rays into light with nearly 100% efficiency. The material combines a metal-organic framework (MOF) containing zirconium with an organic TADF chromophore. This design achieves high resolution and sensitivity in X-ray imaging, potentially reducing medical imaging doses by a factor of 22. Why it matters: This innovation could lead to more efficient and safer medical imaging and security screening technologies in the region and beyond.
KAUST held its third annual Sensor Initiative, hosting 70 delegates from KAUST and international institutions like MIT and UCLA. The interdisciplinary meeting focused on transforming sensor technologies and exploring applications. Researchers from KAUST and abroad presented on topics like chemical sensors and sustainable ecosystems. Why it matters: The initiative demonstrates KAUST's commitment to advancing sensor technology and fostering collaboration between local and international experts.
Jr-Hau He, an associate professor of electrical engineering at KAUST, has been elected as an SPIE Fellow. This recognizes his contributions to solar cells, photodetectors, and semiconductor optics research. He joined KAUST in 2014 and leads a research group focused on developing transparent and flexible electronics using nanomaterials. Why it matters: This recognition highlights KAUST's growing prominence in optics and photonics research and its ability to attract and support leading researchers in these fields.
Researchers at the Quantum Research Center's (QRC) Quantum Communications lab (QComms) achieved a milestone by demonstrating the violation of a Bell inequality using pairs of polarized entangled photons. This achievement serves as a "quantum health check" for their entangled photon source. The QRC team is working to harness entanglement effects in ultra-secure key distribution schemes to enhance secure communication. Why it matters: This advancement validates the application-readiness of QRC's quantum communication devices, paving the way for enhanced security in communication technologies within the region.
Communications Physics journal has a focus collection on space quantum communications. The collection covers supporting technologies, new quantum protocols, inter-satellite QKD, constellations of satellites, and quantum inspired technologies and protocols for space based communication. Contributions are welcome from October 20, 2020 to April 30, 2021, and accepted papers are published on a rolling basis. Why it matters: Space-based quantum communication is a critical area for developing secure, global quantum networks, and this collection could highlight relevant research for the GCC region as it invests in advanced technologies.