Russian scientists have discovered that lasers with quantum dots embedded in microdiscs can produce light of different frequencies, even at high temperatures. This means these lasers could transmit more data about photonic chips in the future. The study was carried out at the National Research University Higher School of Economics.
Quantum dot microdiscs allow lasers to operate at different wavelengths such as red and orange. This opens up new possibilities for encoding transmitted information. The scientists studied the properties of such lasers at different temperatures and microdisc sizes. It turns out that the size of the microdisk affects the operating temperature of the laser – the smaller it is, the worse it works at high temperatures.
Researchers have derived equations to help optimize the size and properties of microdiscs for different types of microelectronics and their photonic counterparts. This could accelerate the development of new communication systems and computing devices. Quantum dot microdiscs could be an important step in the future development of technology.
Source: Ferra
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