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Mr Desmond Rodney Lim Chin Siong,PH.D.
Since the early 1990s, Dr Lim has been researching on the technology for integrating optical devices with silicon electronics, a technology platform termed microphotonics.
Microphotonics refers to the small size of the optical components necessary for easy integration with the current electronics platforms. One of the most important applications for microphotonics technology is in ubiquitous low cost yet high bandwidth data communications components necessary for next generation IT systems.
Other applications of the silicon microphotonics platform include low cost and highly integrated telecommunications chips that will revolutionise the telecommunications industry, low cost data communication products that will enable high speed point-to-point optical links, and optical interconnection and optical clocking between chips. The real world impact will be faster and cheaper computers, lower cost communications which, in turn, will make video on demand commercially viable.
Dr Lim’s research has focused on microphotonics devices which can be readily integrated with electronics, and methods by which they can be made. He has focused largely on the silicon platform because he believes that this would be the first platform in which microphotonics is likely to make a big impact.
Together with his collaborators at Massachusetts Institute of Technology, LNL Technologies, and the Institute of Microelectronics (Singapore), Dr Lim's achievements have included development of the first integrated mode converter to couple light from optical fiber to sub-micron optical waveguides (this breakthrough was in collaboration with the Institute of Microelectronics in Singapore), development of the smallest low-loss microbends and one of the smallest multi-channel demulitplexor at telecommunications wavelengths, and attainment of the first <1dB/cm loss in high index contrast sub-micron optical waveguides at telecommunications wavelengths.
Dr Lim has founded LNL Technologies to commercialize these technologies by making them fully compatible with IC fabrication.
Dr Lim has been conferred the Singapore National Academy of Science Young Scientist Award in the Physical, Information and Engineering Sciences for the year 2003. Dr Lim was also listed in the Technology Review list of top 100 Young innovators in 2003. 1n 1990, Dr Lim was also the recipient of Singapore’s first Science Olympiad Gold Medal, at the XX International Physics in Warsaw.
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