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The popularity and demand for data-rich wireless communication is driving the deployment of radio-over-fibre technology and the success of the firms such as Zinwave, reports Nadya Anscombe.
Slow-light techniques originally conceived for buffering high-speed digital optical signals now look set to play an important role in providing broadband phase and true time delays for microwave signals.
The successful growth of GaN-based LEDs on amorphous glass avoids the size and cost limitations of a sapphire substrate, says Jun Hee Choi from the Samsung Advanced Institute of Technology in South Korea.