Efficiency in Quantum Memory Performance Receives a Boost

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A major barrier in quantum memory performance has been fought against by researchers from Laboratoire Kastler Brossel (LKB) in Paris. The work done by these researchers have any build the retrieval of quantum bits as well as their first secure storage. From 30% to almost 70% physicists at Laboratoire Kastler Brossel (LKB) have doubled the efficiency of optical qubit storage, making it a secure storage. Quantum memory will be required in quantum networks.

Many applications in computing algorithms or long-distance quantum communication protocols require the ability to synchronize quantum bits and therefore with the efficiency of 50%, quantum storage no facilitates protocol security. This achieved efficiency can boost the quantum network scalability and also makes a way for advanced tasks where efficiency plays a critical role.

This device can now be used for many challenging applications and investigations for quantum networks. Of late, quantum memory has been implemented in materials such as cold atoms, ions, and crystals thereby enabling the control of the interaction between the information carrier and a physical medium for storage.

However there has been no memory which is able to retrieve a qubit at a success rate of over 30%. The researchers just selected a number of key elements and combined them in a single setup thereby achieving the highest efficiency titillate for storing and reading out of an optical qubit.

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