On March 09-12, 2021, the Workshop on Entanglement Assisted Classical Communication Networks (EACN) took place at the TUM Institute for Communications Engineering. This event was a joint workshop of the Emmy Noether Group “Theoretical Quantum System Design” supported by the Deutsche Forschungsgemeinschaft (DFG) and the Institute for Communications Engineering supported by the German Federal Ministry of Education and Research (BMBF) with the project Q.Link.X.
Christian Deppe, Janis Nötzel
Roberto Ferrara, Uzi Pereg, Stephen Di Adamo, Christin Wizemann, Robert Schetterer
Tuesday, March 9th
08:45 — Janis Nötzel and Christian Deppe: Introduction by the Convenor
Session 1: Q.Link.X - Quantum Repeaters Chair: Christian Deppe, Technical Chair: Andrea Cacioppo
09:00 — (Dieter Meschede) Q.Link.X - Cooperation and outreach
09:30 — (Christoph Becher) Extending links in quantum networks – an overview on the research network Q.Link.X
10:20 — (Peter van Loock) Quantum repeaters: protocols, basic elements, and rate analysis
Session 2: Q.Link.X - Quantum-Dots, Atoms and Ions Chair: Uzi Pereg, Technical Chair: Andrea Cacioppo
11:10 — (Peter Michler) Towards a semiconductor-based quantum repeater - Part 1
11:50 — (Sven Höfling) Towards a semiconductor based quantum repeater - Part 2
12:30 — (Jürgen Eschner) A programmable atom-photon quantum interface
13:00 — Lunch Break —
14:00 — (Harald Weinfurter) Towards a quantum repeater segment over long fiber distances
14:40 — (Gerhard Rempe) Optical-fiber/cavity quantum-network nodes
Session 3: Q.Link.X - Diamond centers and Theory Chair: Roberto Ferrara, Technical Chair: Stephen DiAdamo
15:20 — (David Hunger) Cavity enhancement for efficient diamond-based spin-photon interfaces
16:00 — Coffee Break
16:30 — (Florian Kaiser) Interfacing solid-state spins and photons for networked quantum technologies
17:10 — (Uzi Pereg) Information theoretic perspective on quantum repeaters
Session 4: Quantum Repeaters Chair: Christian Deppe, Technical Chair: Stephen DiAdamo
17:50 — (Andreas Reiserer) Erbium-doped crystals: A novel platform for QIP
18:20 — (Filip Rozpędek) Quantum repeaters based on concatenated bosonic- and discrete-variable quantum codes
18:50 — (Johannes Borregaard) One-way quantum repeater based on near-deterministic photonemitter interfaces
19:30 — Q.Link.X Platform Meetings: Quantum Dots, Atoms and Ions, Diamond centers, Theory
Wednesday, March 10th
08:45 — Welcome —
Session 1: Theory as innovation driver Chair: Janis Nötzel, Technical Chair: Andrea Cacioppo
09:00 — (Alexander Holevo) The information capacity of entanglement-assisted quantum Gaussian mea-
surements
10:20 — (Andreas Winter) Zero-error communication via channels -entanglement assistance and beyond
11:20 — (Frank Fitzek) Theory that Matters!
12:20 — (Holger Boche) Post-Shannon quantum communication and (unexpected) links between computing and information processing
13:00 — Lunch Break —
Session 2: Hightech Product challenges/opportunities/examples Chair: Janis Nötzel, Technical Chair: Andrea Cacioppo
14:00 — (Frank Fitzek) Start Ups: The better research vehicle?
14:30 — (Dieter Meschede) Opticlock – quantum technology almost ready for roll-out
15:00 — (Riccardo Bassoli) Network coding for efficient vertical handovers - The scientific method in engineering
15:30 — (Daniel Khafif) Concepts behind high-tech entrepreneurial activities in the German market
16:00 — Coffee Break —
Session 3: Hightech Product challenges/opportunities/examples Chair: Janis Nötzel, Technical Chair: Stephen DiAdamo
16:30 — (Helmut Grießer) Deployment of QKD with commercial transport equipment
17:00 — (Thomas Hühn, Julius Schulz-Zander) Theory and practice of WiFi network development
17:30 — (Henning Weier) Tools for interdisciplinary training on the topic of quantum physics
18:00 — (Dieter Meschede, Norbert Pohlmann) Panel Discussions: Call for proposal - Quantum Tokens
Thursday, March 11th
08:45 — Welcome —
Session 1: Simulations / Emulation Chair: Uzi Pereg, Technical Chair: Andrea Cacioppo
09:00 — (Rob Knegjens) NetSquid, a discrete-event simulation platform for quantum networks
09:30 — (Rod van Meter) QuISP: the Quantum Internet Simulation Package
10:00 —(Stephen Di Adamo) QuNetSim: A software framework for quantum networks
Session 2: Hardware / Interconnects Chair: Uzi Pereg, Technical Chair: Andrea Cacioppo
10:30 — (Andreas Reiserer) Rare-earth dopants
11:00 — (Kai Müller) Generation and detection of single photons
11:30 — (Marcus Huber) High-dimensional entanglement for quantum communication
12:00 — (Fabian Steinlechner) Towards high-dimensional quantum communication in space
12:30 — (Jörg Wrachtrup) Advanced diamond quantum materials for photonic integration
13:00 — Lunch Break —
Session 3: Hardware / Interconnects / Experimental Challanges Chair: Christian Deppe, Technical Chair: Stephen DiAdamo
14:00 — (Elena del Valle) Engineering single and N-photon emission from frequency resolved correlations
14:30 — (Frank Deppe) Microwave quantum teleportation
15:00 — (Daniel Twitchen, Matthew Markham) Scaling and delivering diamond quantum solutions
15:30 — Coffee Break
16:00 — (Stefanie Barz) Protocols in quantum networks: recent results and experimental challenges
16:30 — (Tal Mor) Quantum key distribution network with quantum candies
17:00 — (Ferdinand Schmidt-Kaler) Interconnecting nodes of an trapped-ion quantum processor
18:00 — (Boulat Bash, Frank Fitzek, Andreas Reiserer, Andreas Winter) Panel Discussion: What do you see as the potential use of quantum effects in the field of communication networks in 5, 10, and 20 years,
and what are the current biggest challenges for this use?
Friday, March 12th
08:45 — Welcome —
Session 1: Entanglement-Assisted protocols Part 1 Chair: Janis Nötzel, Technical Chair: Andrea Cacioppo
09:00 — (Matteo Rosati) Achieving high-data-rate communication on optical quantum channels: a theoretical implementation-oriented perspective
09:30 — (Shayan Srinivasa Garani) Designing rate-efficient coded quantum networks
Session 2: Networks: status, directions, use cases Chair: Roberto Ferrara, Technical Chair: Andrea Cacioppo
10:00 — (Marco Tomamichel) Open problem for the entanglement-assisted capacity
10:30 — (Elham Kashefi) Privacy and security in quantum network
11:00 — (Jens Eisert) Entanglement assisted communication networks
11:30 — (Wojciech Kozlowski) Network and software architecture for the quantum internet
12:00 — (Moritz Kleinert) Hybrid-photonic integrated circuits for classical and quantum communications
12:30 — (Felix Wissel) QKD@DT - We are building the security of the future
13:00 — Lunch Break —
14:00 — (Frank Fitzek) Communicaton networks: Quo vadis?
Session 3: Quantum Communication Chair: Roberto Ferrara, Technical Chair: Stephen DiAdamo
14:30 — (Matthias Christandl) Fault-tolerant coding for quantum communication
15:00 — (Farzin Salek) When are adaptive strategies in asymptotic quantum channel discrimination useful?
15:30 — (Zahra Khanian) Quantum state redistribution for ensemble sources
16:00 — Coffee Break —
Session 4: Entanglement-Assisted protocols Part 2 Chair: Janis Nötzel, Technical Chair: Stephen DiAdamo
16:30 — (Zheshen Zhang) Entanglement-assisted communication: experiment to surpass the ultimate classical capacity
17:00 — (Quntao Zhuang) Entanglement-assisted communication: theory and protocol design
17:30 — (Saikat Guha) Infinite-fold enhancement in communications capacity using pre-shared entanglement
18:00 — (Boulat Bash) Fundamental limits of entanglement-assisted covert communication over the bosonic channels
18:30 — Panel Discussions and Meeting