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MIT showcases first germanium laser for optical communication

Posted on Tuesday, February 09 2010 @ 05:00:51 CET by

MIT researchers have developed the first germanium laser that can produce wavelengths of light useful for optical communication, you can read all about it at MITnews.
MIT researchers have demonstrated the first laser built from germanium that can produce wavelengths of light useful for optical communication. It’s also the first germanium laser to operate at room temperature. Unlike the materials typically used in lasers, germanium is easy to incorporate into existing processes for manufacturing silicon chips. So the result could prove an important step toward computers that move data — and maybe even perform calculations — using light instead of electricity. But more fundamentally, the researchers have shown that, contrary to prior belief, a class of materials called indirect-band-gap semiconductors can yield practical lasers.



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