Quantum Communication – Tutorial for IT Specialists Part 1 (Dr. Peter Holleczek) / german language

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Quantum Communication - Tutorial for IT Specialists (Dr. Peter Holleczek) / german language

14. April 2022

The history of the development of data communications has actually been told. Progress is currently limited to a slight increase in transmission rates. Progress is hampered technically by ever more arduous miniaturization and organizationally by ever more stringent security requirements. Leap innovations are again lacking.

One comes, albeit from physics, from quantum physics. Quanta, especially light quanta (photons) on the one hand make miniaturization / “atomization” appear from a new angle and on the other hand have properties that are of extreme value in the encryption of data.

The tutorial is addressed to IT specialists and tries to be simple in small portions. It should help to imagine the unfamiliar behavior pattern of quanta and to better understand the current development.

After an inevitable excursion into quantum mechanics and photonics, it offers insight into the generation and properties of photons. Common encryption methods are presented. The state of the art in transmission properties is outlined.

Schrödinger’s cat may not be missing in all this, of course.

Dr. Peter Holleczek

https://www.fau.tv/course/id/2594 

Password: TuQUANKOMM-WiSe2021

all parts

other sources

#populär

Generating Bell States

Bhattacharyya S.
Quantum Computing: Bell State and Entanglement with Qiskit
https://medium.com/a-bit-of-qubit/quantum-computing-bell-state-and-entanglement-with-qiskit-621489fb36bd

Kounteya Sarkar, Bikash K. Behera, Prasanta K. Panigrahi
A robust tripartite quantum key distribution using mutually shared Bell states and classical hash values using a complete-graph network architecture
https://www.researchgate.net/publication/333148981_A_robust…

Representing QuBit States
QBER

BB84 and Ekert91 protocols | Quantiki
https://quantiki.org/wiki/bb84-and-ekert91-protocols

Satellite

Physics World
China launches world‘s first quantum science satellite – Physics World
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Fiber

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Fiber transport of spatially entangled photons
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Fermilab and partners achieve sustained, high-fidelity quantum teleportation
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The Qubit Report
U.S. Scientists Demonstrate 44km Fiber Transmission of Photon Qubits
https://qubitreport.com/quantum-computing-technology-and-hardware/2020/12/17/u-s-scientists-demonstrate-44km-fiber-transmission-of-photon-qubits/

Quantum network
https://en.wikipedia.org/w/index.php?title=Quantum_network&oldid=1075498430

Photon Source

Eine Photonenquelle für die abhörsichere Kommunikation | pro-physik.de
https://www.pro-physik.de/nachrichten/eine-photonenquelle-fuer-die-abhoersichere-kommunikation

Praktikable Photonenquelle für die Quantenkommunikation
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Physik W. Der
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Einzelphotonenquelle
https://de.wikipedia.org/w/index.php?title=Einzelphotonenquelle&oldid=218722226

Spontaneous parametric down-conversion
https://en.wikipedia.org/w/index.php?title=Spontaneous_parametric_down-conversion&oldid=1079750692

#Skript

strategisch

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QM
QKD

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https://www.physik.hu-berlin.de/de/nano/lehre/f-praktikum/qkd/versuchsanleitung-qkd_2017-01-02.pdf

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Chekhova M.
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Kohärenz

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Coalesce
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#wissenschaftlich

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[LS14] Lopes M., Sarwade N.
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[Moea19] Moreau P.-A., Toninelli E., Gregory T., et al.
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[NJea13] Nisbet-Jones P. B. R., Dilley J., Holleczek A., et al.
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[NJea11] Nisbet-Jones P. B. R., Dilley J., Ljunggren D., et al.
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[No2017] Nowierski S. J.
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[Rea18] Rabinovich W. S., Mahon R., Ferraro M. S., et al.
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[Rea18-2] Rauch D., Handsteiner J., Hochrainer A., et al.
Cosmic Bell Test Using Random Measurement Settings from High-Redshift Quasars

[Rea09] Ribordy G., Gautier J.-D., Gisin N., et al.
Fast and user-friendly quantum key distribution
https://arxiv.org/ftp/quant-ph/papers/9905/9905056.pdf

[SS21] Scheel S., Szameit A.
Photonen im Spiegel der Zeit

[SM07] Schmitt-Manderbach T., Weier H., Fürst M., et al.
Experimental demonstration of free-space decoy-state quantum key distribution over 144 km

[Sch36] Schrödinger E.
Die gegenwärtige Situation in der Quantenmechanik
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[Sea16] Somaschi N., Giesz V., Santis L. de, et al.
Near-optimal single-photon sources in the solid state
https://www.nature.com/articles/nphoton.2016.23

[Tea15] Takesue H., Dyer S. D., Stevens M. J., et al.
Quantum teleportation over 100 km of fiber using highly efficient superconducting nanowire single-photon detectors
https://opg.optica.org/optica/fulltext.cfm?uri=optica-2-10-832&id=326929

[DH12] Wolfgang Dür, Stefan Heusler
Was man vom einzelnen Qubit über Quantenphysik lernen kann
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[Yea16] Yin H.-L., Chen T.-Y., Yu Z.-W., et al.
Measurement-Device-Independent Quantum Key Distribution Over a 404 km Optical Fiber
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[Yea17] Yin J., Cao Y., Li Y.-H., et al.
Satellite-Based Entanglement Distribution Over 1200 kilometers
https://arxiv.org/pdf/1707.01339

[ZR07] Zhao S., Raedt H. de
Event-by-event Simulation of Quantum Cryptography Protocols
https://arxiv.org/pdf/0708.1734

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