Lasers in Communications

Patricia Daukantas

Low-cost semiconductor lasers power the shortest networks in the data center and the long-haul links that speed information around the globe. Today, lasers are integrated into photonic circuitry and even optical cables.



Lasers drive modern communications. From the huge banks of servers and switches powering Web search engines and online shopping to the undersea cables linking continents together, the data and images we need and crave originate with the tiniest flashes of infrared laser light.

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