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Search results for electro-optic

Optics & Photonics Mar 18, 2015

New optical materials break digital connectivity barriers

From computers, tablets, and smartphones to cars, homes, and public transportation, our world is more digitally connected every day. The technology required to support the exchange of massive quantities of data is critical. ...

Optics & Photonics Feb 19, 2015

Rapidly reconfigurable waveform generator on a CMOS chip could be used for high-speed wireless communication

(Âé¶¹ÒùÔº)—An arbitrary waveform generator can, as its name implies, generate waves of almost any shape by controlling the amplitude, frequency, phase, and other wave characteristics. Waveform generators working in the ...

Optics & Photonics Feb 18, 2015

Three-dimensional opto-electric integration

Three-dimensional (3D) integration of various materials on top of bulk silicon could be the best answer for cost-effectively marrying optical devices with electronics. A*STAR researchers have used this approach to create ...

Materials Science Jan 30, 2015

New method allows for greater variation in band gap tunability

If you can't find the ideal material, then design a new one.

Engineering Jan 30, 2015

Scientists trial system to improve safety at sea

A space scientist at the University of Leicester, in collaboration with the New Zealand Defence Technology Agency and DMC International Imaging, has been trialling a concept for using satellite imagery to significantly improve ...

Nanomaterials Dec 17, 2014

Spider's web weaves way to advanced networks and displays

The next generation of light-manipulating networks may take their lead from designs inspired by spiders and leaves, according to a new report from two Boston College physicists and colleagues at South China Normal University.

Nanophysics Dec 16, 2014

Imec demonstrates broadband graphene optical modulator on silicon

At this week's IEEE International Electron Devices Meeting (IEDM 2014), nanoelectronics research center imec and its associated lab at Ghent University have demonstrated the industry's first integrated graphene optical electro-absorption ...

Engineering Dec 4, 2014

Smaller lidars could allow UAVs to conduct underwater scans

Bathymetric lidars – devices that employ powerful lasers to scan beneath the water's surface – are used today primarily to map coastal waters. At nearly 600 pounds, the systems are large and heavy, and they require costly, ...

Engineering Dec 1, 2014

Mobile radio passive radar makes harbors safer

Many coastal areas and harbors go almost unprotected against acts of terror. Soon a new sensor system relying on signal echoes from cell towers can quickly detect even the smallest of attack boats. This mobile radio passive ...

Robotics Nov 20, 2014

Unmanned team of K-Max helicopter and Indago quadrotor demonstrates firefighting capability

A team of Lockheed Martin and Kaman unmanned aircraft successfully demonstrated its ability to aid in firefighting operations. During the demonstration, the Indago quad rotor effectively identified hot spots, and provided ...

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