Muhammad Usman
Organisation: Ghulam Ishaq Khan Institute of Engineering Sciences and Technology Role: Associate Professor
Muhammad Usman, a pioneer of GaN-based light-emitting diodes and laser diodes in Pakistan, believes microLEDs will continue to attract interest in the research community. ‘Similarly, LEDs and LDs in the ultraviolet spectrum have recently picked up due to their disinfection capabilities,’ he said. Usman’s interest extends beyond pure
research to the real-world effects of LED technologies and he is the co-author of a study on the potential energy and cost savings (128 TWh and $10.8 billion) from replacing traditional lights with LEDs in Pakistan, India and Bangladesh.
Thilo von Freyhold
Organisation: Jenoptik, Advanced Photonics Solutions Division
Role: Vice-president SBU Semiconductor and Advanced Manufacturing
Thilo von Freyhold’s experience in photonics labs and cleanrooms, running start-ups and managing manufacturing divisions combine to give him a valuable perspective on where photonics research is going. ‘The next big thing is to merge classical optics with diffractive micro-optics into products that meet industrial requirements,’ he said. The reason for this is to devise products less complex in fabrication, ‘thus being smaller, lighter, maybe less expensive, but provide similar high performance as today’s products based on “classical” optical approaches’.
Von Freyhold said most of Jenoptik’s photonics products are going into equipment for semiconductor lithography and inspection. ‘Some of the biggest challenges are currently to be fast enough, to build capacity in terms of infrastructure, equipment, supply chain and of course people. The biggest challenge is about people. We need more people working in photonics, in R&D, manufacturing and packaging of photonics devices.’ Von Freyhold plans to attend Photonics West, Laser Munich, and Spectaris events.
Congratulations, Thilo!
“We are proud to recognize Thilo von Freyhold and the team for driving innovative ideas and R&D at Jenoptik. His passion for contributing to the spread of photonics applications and extensive knowledge of all business fields in the industry makes him a brilliant nominee for The Photonics100. Thank you, Thilo, for your commitment to creating a brighter future through the power of light!”
Dr Ralf Kuschnereit, Executive Vice- President of Advanced Photonic Solutions division and a member of the Executive Management Committee, Jenoptik Optical Systems
Based in: Jena, Germany Education: Master’s degree in physics
Based in: Topi, Pakistan Education: PhD, Hanyang University, South Korea
‘Without any technological infrastructure
for the design, fabrication, and characterization of III-V-based materials and devices, it has been a mounting challenge to pursue this research interest,’ said Usman, who said his career has been helped by his family, Pakistan’s Higher Education Commission, which awarded him a PhD scholarship under the supervision of Professor Jong-In Shim who introduced and trained him in III-V light-emitting diodes. You can find Usman online at researchgate. net/profile/Muhammad-Usman-440/research or
linkedin.com/in/usmanishfaq/.
58 Photonics100 2023
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