Neodymium may be the key to opening up the future of quantum Internet

Bit, the most basic electronic information unit since the IT industry was born. A bit always means either yes (1), or zero (0). Therefore, storing data in the form of bits is very simple, and today we are storing bits with small-sized transistors just by atomic ones.

However, the leader in the information race is quantum . In the world of quantum computers, the most basic unit of information has changed. Here, bits become qubits . Qubit does not carry a clear state of 1 or 0, but both at the same time. Therefore, the qubit is capable of storing a much larger amount of information. However, because the qubit stores information in a quantum state, only a small change can cause the data to be completely compromised. So now researchers are still "crazy" to create a reliable and sustainable quantum memory.

The future of a quantum Internet system does not seem too far away.

Recently, researchers at Caltech have developed a new, more efficient and compact method of storing quantum data than traditional methods. This method is based on the storage of light inside crystals made of a rare metal on the earth called neodymium . This study is likely to open a new step in developing quantum information transmission capabilities, as well as in the quantum Internet later.

Qubit can be stored in different forms of particulate matter, in which scientists study mainly photons . Photons are fundamental particles of electromagnetic force (light, electric current), and are able to keep stability even when traveling in long distances. Thus, storing qubit data as photons has a huge advantage over other types of storage.

However, the biggest problem with using photons is the size of the device. And that's what researchers at Caltech are aiming for - when systems that have historically been able to store quantum information are too large in size. Because the world of information technology is now shrinking.

The biggest problem in using photons is the size of the device.(Illustration).

Crystals can be seen as the most ideal place to store photons. The basic idea of ​​this method is to combine the natural resonance of the crystal with the frequency of light particles stored inside the crystal. The team is trying its best to increase the efficiency of the system as well as the qubit rotation process.

"This method allows us to design a quantum-light system, with faster and more efficient storage and preparation of quantum memory" - Faraon, team leader save, share in the report.

By being able to create quantum storage devices of this size, we can imagine a world of quantum computers and quantum Internet, allowing a huge amount of data. circulating in it to different computers around the world, in a very safe way - thanks to the high security nature of quantum.