September 2014

Target chamber of the Omega laser, Rochester, N.Y., U.S.A., one of several facilities running experiments in laser fusion. Courtesy  of the University of Rochester.

Laser Fusion: The Uncertain Road to Ignition

Melinda Rose

In early 2014, the U.S. National Ignition Facility announced that it had achieved a fusion reaction that produced net positive energy. Fusion scientists have applauded that step—but the path to sustainable fusion energy remains a long and uncharted one.

Diamond Raman Lasers

Scientists are using high-purity synthetic diamonds to create novel devices that offer increased laser power, brightness and wavelength reach.

Optical Networks Come of Age

Big data and insatiable consumer demand for broadband are driving a new generation of intelligent, programmable, energy-efficient networks—powered by optical switching—to support Internet services reaching terabit-per-second speeds.

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Overcoming Limits for Nanophotonic Devices

Finding a Voice for Photonics

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