Ultrafast LEDs For Optical Wireless Communication
University researchers are developing LEDs with ultrafast electronic modulation rates. In the invention, appropriately engineered optical plasmonic metamaterials are integrated into blue and green LEDs to drastically improve the spontaneous light emission speed, leading to ultrafast modulation capabilities. The new LEDs provide a multitude of possibilities in the design and engineering of new optical communication systems as well as their ready integration into upgradable systems. They represent a new class of cost-effective and high performance LEDs with unprecedented modulation speed, exceptionally high quantum efficiency, and high compactness. As such, they fulfill the requirement of emission within the transparency window for super speed underwater optical wireless communications.
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