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The Transistor Laser: A Natural for Optoelectronic Integrated Circuits

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Transistor lasers are potentially much faster than diode lasers — and that’s just for starters.

Milton Feng, Nick Holonyak Jr. and Gabriel Walter, University of Illinois at Urbana-Champaign

Since it was first demonstrated by John Bardeen and Walter H. Brattain in 1947, the transistor has spawned a $300 billion semiconductor industry and has made possible our digital way of life, enabling computers, cell phones, MP3 players and the Internet. Now it is poised to give us even more. As a source of coherent light, the transistor laser offers the potential for much faster broadband communications, both for long-haul telecommunications networks and for short-haul connections within and between chips. Moreover, there are bound to be applications that we cannot even imagine. For...Read full article

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    Published: July 2006
    Glossary
    transistor
    An electronic device consisting of a semiconductor material, generally germanium or silicon, and used for rectification, amplification and switching. Its mode of operation utilizes transmission across the junction of the donor electrons and holes.
    CommunicationsConsumerFeaturesInternetsemiconductor industrySensors & Detectorstransistor

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