Mind & Matter


Bluer Ray

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Ultrafast blue-violet pulsed semiconductor laser, Sony Corporation and Tohoku University.


Just when we assume technological standards for commercial media have stabilized, we have a surprise in store. Those still contemplating the switch from DVDs to Blu-ray, for example, will have another format to consider soon.

Researchers at Sony and Tohoku University have recently created a new blue-violet ultrafast pulsed semiconductor laser, with an immediate application in disk storage. Capable of producing three-picosecond-long optical pulses, the laser has 100 times the output value of existing blue-violet pulse semiconductor lasers.

According to the Yomiuri Shinbun, this advancement will give discs 20 times the capacity of Blu-ray technology, meaning that future discs could fit over 50 movies of the same quality level. No doubt, this achievement will drive even higher resolution standards in video formats.




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About the Blogger

Blaine Brownell

thumbnail image Minnesota-based architect and author Blaine Brownell, AIA, is a self-defined materials researcher and sustainable building adviser. His "Product of the Week" emails and three volumes of Transmaterial (2006, 2008, 2010) provide designers with a steady flow of inspiration—a 21st-century Grammar of Ornament. Blaine has practiced architecture in Japan and the U.S. and has been published in more than 40 design, business, and science publications. The recipient of a Fulbright fellowship for 2006–07, he researched contemporary Japanese material innovations at the Tokyo University of Science. He currently teaches architecture and co-directs the M.S. in Sustainable Design program at the University of Minnesota. His book Matter in the Floating World was published by Princeton Architectural Press in 2011.