Brighter Silicon Toward more-efficient optical devices

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Brighter Silicon Toward more-efficient optical devices

机译：硅向更高效的光学设备发展

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CONTEXT: Silicon is good at shuttling electrons around chips but much worse than most other semiconductors at manipu- lating light. This shortcoming has kept optical chips, which transmit information more efficiently than electrical chips, from wider use. Silicon "nanocrystals," a few atoms of silicon covered with an oxide layer, emit light more efficiently than bulk silicon, but devices incorporating them wear out quickly and are still too inefficient for most applications. Now, a team led by Harry Atwater of Caltech has improved silicon's ability to emit light, giving a boost to an industry looking for new ways to make faster chips.

机译：语境：硅擅长在芯片周围传送电子，但在操纵光方面却比大多数其他半导体差得多。该缺点使光学芯片无法广泛使用，该光学芯片比电子芯片更有效地传输信息。硅“纳米晶体”是覆盖有氧化物层的硅的几个原子，比块状硅更有效地发光，但是掺入它们的器件磨损很快，并且对于大多数应用而言效率仍然太低。现在，由加州理工学院的哈里·阿特沃特（Harry Atwater）领导的团队提高了硅的发光能力，从而推动了寻找新方法来制造更快芯片的行业。

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《Technology Review》 |2005年第5期|p.83|共1页
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Brighter Silicon Toward more-efficient optical devices

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