Abstract
Armed with a novel electronic design and high-purity materials, researchers have demonstrated an electrically driven laser that's based on a solid-state organic lasing medium [ Science , 289, 599 (2000)]. Electronic devices that run on organic materials are expected to offer advantages in terms of lower cost, easier processing, and greater flexibility compared to their inorganic counterparts. Lasers in particular could potentially be manufactured less expensively if the gallium arsenide or other inorganic semiconductor that makes up the optical heart of many of today's lasers could be replaced with a suitable organic compound. The advance reported by a team of researchers at Lucent Technologies' Bell Laboratories in Murray Hill, N.J., represents a key step in that direction and may widen the scope of laser applications by reducing the cost of machines that use single lasers or by motivating manufacturers to design equipment that makes use of an array of inexpensive lasers. The research team includes solid...
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