MCH2022 Curated content

Introduction to quantum networks

Envelope ✉️
Wojciech Kozlowski
The vision of a quantum internet is to enhance existing Internet technology by enabling quantum communication between any two points on Earth. Such a quantum internet will—in synergy with the “classical” internet that we have today—connect quantum information processors in order to achieve unparalleled capabilities that are provably impossible by using only classical information, such as distributing encryption keys secured by the laws of quantum mechanics, more efficient distributed agreement, or private delegated quantum computation. The first quantum entanglement networks have been realised in a lab including a software and network protocol stack for executing platform-independent applications. In this workshop we will introduce the basic concepts underpinning the quantum internet and take you through developing your own quantum network application running on a (for now) simulated quantum internet using the Quantum Network Explorer platform.
This workshop consists of two parts; First, a basic introduction to quantum networks. Here, I will introduce the basic building blocks of a quantum internet: quantum bits (qubits), entanglement, and quantum repeaters. I will then explain quantum mechanical phenomena enable greater security for communication and how entanglement is a fundamentally new resource for distributed tasks and computation. Secondly, to illustrate these concepts, I will take the audience through an implementation of a simple Quantum Key Distribution (QKD) application whereby Alice and Bob create a quantum-secured secret key which they can use to encrypt their communication. This will be done in Python using the tools available on the Quantum Network Explorer.

Additional information

Type Workshop
Language English

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