Bell Labs, the research arm of Alcatel-Lucent has demonstrated an optical fibre communications technology which it says has the potential to increase today’s 10 to 20 Terabit-per-second fibre capacities to Petabit-per-second capacity – the equivalent of 1,000 Terabits/s.
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Microresonators are micrometre-scale structures for confining light. Light is reflected internally at the edges of the resonator. This creates a series of standing-wave optical modes, or resonances, similar to those that can exist on a vibrating guitar string. Microresonators can provide the optical feedback required in semiconductor lasers.
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