In Focus - Issue 25 (Summer 2014)

Nine faculty members have been elected Fellows of prestigious professional organizations International Recognition for Excellence in Research Prof Kevin Chen Electronic and Computer Engineering Prof Chen was elected for contributions to compound semiconductor heterojunction transistor technologies. At the core of his contributions are inventions and fundamental understanding of several technologies that have advanced the commercial applications of the high-performance but difficult-to-manufacture enhancement-mode compound semiconductor transistors. These devices have been used to implement high-efficiency and high-linearity radio-frequency amplifiers in wireless mobile devices, such as wristwatch mobile phones, and for realizing next-generation lowloss and high-efficiency power switches that can lead to substantial energy saving. Institute of Electrical and Electronics Engineers (IEEE) Three of the six new 2014 IEEE Fellows in Hong Kong are from HKUST. They bring the total number of IEEE Fellows at the School of Engineering to 33, including 24 from the Department of Electronic and Computer Engineering, seven from the Department of Computer Science and Engineering and two from the Department of Mechanical and Aerospace Engineering. Prof Howard Luong Electronic and Computer Engineering Prof Luong has been recognized for single-handedly pioneering and building up a world-class radio frequency integrated circuit (RFIC) research program in Hong Kong. He has made significant contributions to the advancement of low-voltage low-power RFIC designs by being the first to propose many innovative and useful design techniques. His most important contribution has been to propose transformer feedback to implement ultra-low-voltage high-performance voltagecontrolled oscillators. He successfully designed and demonstrated the first LC VCO at 0.35V supply, which is even smaller than the devices’ threshold voltage of 0.5V, while still achieving high frequency, good phase noise, and low power consumption. As of now, it is still the lowest supply voltage ever reported for CMOS VCOs. Prof Philip Mok Electronic and Computer Engineering Prof Mok has made distinctive contributions to the design of power-management integrated circuits (PMIC), and has helped making handheld devices such as smart phones, digital cameras and tablet computers smaller, thinner and lighter by pushing the limits of the performance of handheld devices while maximizing the battery run-time. The effectiveness of power delivery from the rechargeable battery to the handheld device in different modes of operations relies on the performances of power converters inside the PMIC. He is a leader in PMIC and has developed numerous novel analog and mixed-signal circuit techniques and control methodologies. US National Academy of Engineering (NAE) President Prof Tony F Chan Chair Professor of Computer Science and Engineering Prof Chan has been elected in recognition of his application of numerical techniques to image processing and scientific computing, and for providing engineering leadership at national and international levels. He is the only ethnic Chinese among the 67 members newly elected this year, and is one of just a handful of US NAE members based in Hong Kong. “This recognition will allow me to connect with leaders of the US engineering profession, as well as provide a great forum for me, and HKUST as a whole, to be involved in discussion and influence issues and trends in science and technology,” said Prof Chan. 11 IN FOCUS

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