Scientists have found that using photons whose wave function has a non-Gaussian shape, the number of QSP pairs preserved when the signal passes through the amplifier will increase dramatically, which means that quantum teleportation can become a reality at very large distances.

Quantum entangled particles (QCP) are considered as a number of promising technologies, for example, quantum computers or ideally secure communication systems.

### KZCH are quantum objects that are in a single state. Even when removed over long distances, they can be viewed as a whole. We are talking about the non-classical effect of quantum teleportation, which has been actively studied over the past decades

For the effective use of QCP in the construction of quantum computer problems, scientists have to solve a number of complex problems, including the problem of preserving quantum entanglement when the signal is attenuated and passed through the amplifier.

Many rare earth amplifiers have been developed for modern fiber optic systems. A new article by Czech, Slovak and Russian physicists tells about the possibility of preserving the KZCH in certain classes of signals when passing through an amplifier.

To achieve this effect, scientists propose to use particles that are in a "non-Gaussian" state, when the wave function in the coordinate representation does not have the shape of a Gaussian wave packet.

The wave function provides maximum information about the state of a quantum object. Unfortunately, ordinary photons, used in most experiments with QSP, have a bell-shaped Gaussian packet wave function, therefore, when trying to amplify the signal, the state of quantum entanglement is destroyed.

Scientists have found that using photons with a non-Gaussian wave function, the number of QPS pairs preserved when the signal passes through the amplifier will increase dramatically, which means that quantum teleportation can become a reality at very large distances.