Stanford Electrical Engineering

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May 2013

Stanford physicists develop revolutionary low-power polariton laser

Y. YamamotoLasers are an unseen backbone of modern society. They're integral to technologies ranging from high-speed Internet services to Blu-ray players.

The physics powering lasers, however, has remained relatively unchanged through 50 years of use. Now, an international research team led by Stanford's Yoshihisa Yamamoto, a professor of electrical engineering and of applied physics, has demonstrated a revolutionary electrically driven polariton laser that could significantly improve the efficiency of lasers.

The system makes use of the unique physical properties of bosons, subatomic particles that scientists have attempted to incorporate into lasers for decades.

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