A KAUST student blog post discusses optical wireless communications (OWC) as a solution to radio frequency exhaustion. OWC uses optical frequencies to carry electrical signals, offering advantages like high data rates and immunity to electromagnetic interference. Free-space optical (FSO) communication, a type of OWC, is applicable for inter-building connections and has seen use cases such as broadcasting during the 2010 FIFA World Cup. Why it matters: OWC research and deployment in the region can support high-bandwidth applications and provide cost-effective connectivity solutions, especially in challenging environments or disaster scenarios.
KAUST researchers developed Aqua-Fi, a system for underwater wireless communication using lasers and off-the-shelf components. The system uses a Raspberry Pi as a modem to convert Wi-Fi signals to optical signals, enabling bi-directional communication. Using blue and green lasers, they achieved 2.11 megabits per second over 20 meters, compliant with IEEE 802.11 standards. Why it matters: This innovation could significantly improve underwater data transmission, benefiting applications such as environmental monitoring, underwater exploration, and communication with underwater devices.
Ericsson is continuing its funding for two telecommunications programs at KAUST, managed by Professors Mohamed-Slim Alouini and Atif Shamim, focusing on free-space optics (FSO) and reconfigurable intelligent surfaces (RIS). These technologies are considered critical for achieving 5G and 6G capabilities. FSO uses lasers to transmit signals through free space, while RIS develops intelligent surfaces to manage wireless signals. Why it matters: This partnership positions Saudi Arabia at the forefront of developing next-generation telecommunications infrastructure and capabilities, addressing key challenges in 5G and 6G deployment.
KAUST Professor Boon Ooi, Nobel laureate Shuji Nakamura, and colleagues are collaborating on laser-based solid state lighting (SSL) and visible light communications (VLC). The team is using gallium nitride (GaN) to develop high-performance semiconductor laser devices, leveraging nanofabrication techniques at KAUST. They demonstrated that their laser-based VLC system is over 20 times faster than LED-based Li-Fi systems. Why it matters: This research could enable faster, more energy-efficient data transmission using visible light, with potential applications in both terrestrial and underwater communication.
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.
KAUST researchers developed a hybrid wireless communication system for non-invasive monitoring of marine animals, consisting of a lightweight, flexible, Bluetooth-enabled tag that stores sensor data underwater. The tag syncs data to floating receivers when the animal surfaces, which then relays the data via GSM or drones. The system is a collaboration between the Red Sea Research Center and KAUST's electrical engineering department. Why it matters: This technology provides researchers with detailed, near real-time data about marine animals, overcoming the limitations of invasive and impractical traditional tagging methods.
The Technology Innovation Institute (TII) has launched the Abu Dhabi Quantum Optical Ground Station (ADQOGS), the first and largest facility in the Arab world and MENA dedicated to secure free-space optical communications. Located at Al Sadeem Observatory, the 2,363 sqm facility features an 800mm tracking telescope, control room, and weather station. ADQOGS will integrate the UAE into the global Quantum Key Distribution (QKD) network and enable ultra-secure key material availability. Why it matters: This establishes the UAE as a regional hub for quantum communication research and positions it at the forefront of developing next-generation secure networking infrastructure.
KAUST Professor Mohamed-Slim Alouini has been elected as a 2021 Fellow of the Optical Society (OSA) for his contributions to optical wireless communications. Alouini is a professor of electrical and computer engineering and the associate dean of the CEMSE Division at KAUST. He was also appointed by KAUST as Distinguished Professor, effective November 1, 2020. Why it matters: This recognition highlights KAUST's growing influence in cutting-edge research areas like wireless communication and optics within the Middle East.