# Secure Communication over Zero-Private Capacity Quantum Channels

@inproceedings{Gyongyosi2012SecureCO, title={Secure Communication over Zero-Private Capacity Quantum Channels}, author={Laszlo Gyongyosi and S{\'a}ndor Imre}, booktitle={Turing-100}, year={2012} }

In this work a new phenomenon called polaractivation is introduced. Polaractivation is based on quantum polar encoding and the result is similar to the superactivation effect — positive capacity can be achieved with zero-capacity quantum channels. However, polaractivation has many advantages over the superactivation: it is limited neither by any preliminary conditions on the quantum channel nor on the maps of other channels involved in the joint channel structure. We prove that the…

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## 2 Citations

Polaractivation of hidden private classical capacity region of quantum channels

- Computer Science2013 IEEE Symposium on Swarm Intelligence (SIS)
- 2013

With the help of the proposed polaractivation scheme private classical information can be transmitted over a quantum channel that initially was not capable of private communication and the method works for arbitrary quantum channels for which a given criteria in the symmetric classical capacity is satisfied.

Opening of hidden capacity-domains of quantum channels

- Computer SciencePhotonics West - Optoelectronic Materials and Devices
- 2013

It is proved that the polaractivation works for arbitrary quantum channels for which a given criteria in the symmetric classical capacity is satisfied and makes it possible to open the hidden capacity-domains of a noisy quantum channel.

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