This new technology could revolutionize our communication systems

Researchers fromKorea University carried out a study on the improvement of current communication systems. They have developed a new, completely optical method for control multiple arrays of complex nanolasers. These nanolaser arrays can be powered and programmed with light from a single optical fiber. This enables a reduction in the size of the control units.

This approach is based on a pumping process which emits light in the form of laser beams carried along a special fiber. To control these light emissions, the researchers invented a special optical driver which uses interference to create customized light patterns.

This new technological advancement in communication opens up new perspectives. Myung-Ki Kim, a researcher at Korea University, was one of the lead authors of the research.

New possibilities…

According to its designers, this technology could easily pave the way for a new chip-based way of optical communication. These would be able to process and move larger streams of data than other generations of chips.

This feat in terms of data transfer would improve the speed of information processing in the data centers that regulate the Internet. It would therefore be possible follow continuous video content in ultra-high resolution, but not only. Fans of online gaming can also benefit from a smoother connection that is less likely to drop out.

Furthermore, the basic architecture of laser networks has enabled a reduction of the overall dimensions of the control devices. This approach also enabled the elimination of processing delays associated with electrode-based drivers.

“Optical devices integrated on a chip better meet today’s computing requirements. »

Myung-Ki Kim, researcher at Korea University

It was necessary to create optical laser pilots

It was necessary to invent new approaches to effectively control and manage the light sources of the new technology. The researchers performed a replacing the electrodes on the existing devices with an optical driver which is based on interference to generate customized light patterns.

Subsequently, they developed an optical cable on which nanolasers are printed wearing this pump light. To test the effectiveness of their approach, the researchers created several photonic crystal nanolasers. Experiments reveal that the architecture allows multiple arrays of nanolasers to be controlled with light passing through a single fiber.

SOURCE: TECHEXPLORIST

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