NTT Corp. (NTT) and Okayama University have developed a solution to the increasing problem of IoT signal interference by creating a topological ultrasonic circuit. Claimed as the first of its kind, ...
Modern cellular and other wireless communication devices require extensive filter banks to provide isolation to the multitude of operating frequency bands not present in modern wireless devices.
Researchers have developed a 3D-printed device that generates twisting light beams with orbital angular momentum (OAM), a form of rotational energy that can carry more data than regular beams.
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