The new perovskite-based diode is both a transmitter and a receiver of light

The new perovskite-based diode is both a transmitter and a light receiver. It will help improve modern optical signals and traditional electrical circuits.

Researchers have explained that light sources and their detectors are key components of many devices. For example, LEDs, which are often used as a light source in displays, work on their basis; other photodiodes are used for light detection in sensors, imaging, and fiber-optic communications. The development of a device capable of both generating and detecting light could allow the development of more compact and intelligent technologies.

Scientists from Linkoping University in Sweden, along with colleagues from China, presented a small device that can simplify this task. It is both an optical transmitter and receiver. “This is very important for the miniaturization of optoelectronic systems,” said study lead author Feng Gao.

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