At the Institute of Semiconductor Physics until 2025. Dmitry Gulyaev, senior researcher at the Laboratory of Molecular Beam Epitaxy of A3B5 Compounds, said that AV Rzhanova (IPP) from the Siberian Branch of the Russian Academy of Sciences will develop a next-generation laser based on quantum dots (artificial atoms).
Import substitution of fiber optic equipment transmitting information over long distances and providing mobile and Internet communications requires three main elements – a radiation source (laser), a modulator that encodes information, and a photodetector that converts information into an electronic signal. Gulyaev emphasized that a photodetector is already being developed at IFP SB RAS, and a laser with a modulator is under development.
The next generation of quantum dot lasers will improve properties such as temperature stability, saturation and gain. Researchers are currently working on an active medium for the laser – creating artificial crystals and testing their performance. The laser wavelength – 1.55 microns – minimizes losses as much as possible and allows you to transmit information for hundreds of kilometers.
Source: Ferra
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