Quantum-dot lasers

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Abstract
Semiconductor lasers are key components in many of the appliances that we take for granted in everyday life. Fibre-optic communications and compact-disc players are perhaps the two best known examples. There is also a world-wide research and development effort to improve the performance of these devices by making them smaller, brighter, more efficient or capable of lasing at new wavelengths. A new class of semiconductor laser – a quantum dot laser that self assembles – is showing great promise in many of these areas.

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