Quantum Entanglement & Information: Modern Frontiers & Breakthrough Innovations
Encyclopedia/1. The Cosmos & The Natural World/2. Physics & Chemistry/01. Quantum Physics & Atomic Theory • Curated by Admin Timeline.sg
Timeline of key milestones in quantum entanglement and quantum information, from the EPR paradox to modern quantum networks and quantum supremacy.
Chronological Storyline (40 Milestones)
May 15, 1935 CE
EPR Paradox Proposed
Einstein, Podolsky, and Rosen publish a paper arguing that quantum mechanics is incomplete, introducing the concept of 'spooky action at a distance'. #quantum #physics
EPR Paradox Proposed By Doris Ulmann - This image is available from the United States Library of Congress's Prints and Photographs division under the digital ID cph.3g04940.This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing., Public domain, https://commons.wikimedia.org/w/index.php?curid=2468828
Aug 1, 1935 CE
Schrödinger Coins 'Entanglement'
Erwin Schrödinger responds to the EPR paper, coining the German term 'Verschränkung' (entanglement) and exploring its implications. #quantum #physics
Schrödinger Coins 'Entanglement' By J-Wiki at English Wikipedia - Entirely self-generated using computer graphics applications., GFDL, https://commons.wikimedia.org/w/index.php?curid=16525357
1964 CE
Bell's Theorem Published
John Bell publishes his inequality, showing that local hidden variable theories cannot reproduce all quantum mechanical predictions, paving the way for experimental tests. #quantum #physics
1972 CE
First Experimental Test of Bell Inequalities
Stuart Freedman and John Clauser perform the first experimental test of Bell's inequalities, providing evidence for quantum entanglement. #quantum #physics
First Experimental Test of Bell Inequalities By Christopher Michel - Own work, CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=150810012
1982 CE
Aspect's Experiments Confirm Entanglement
Alain Aspect performs experiments with time-varying analyzers, closing the locality loophole and strongly supporting quantum entanglement. #quantum #physics
Aspect's Experiments Confirm Entanglement By Ecole polytechnique Université Paris-Saclay - Mooc optique quantique, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=123730100
1989 CE
Quantum Dense Coding Discovered
Charles Bennett and Stephen Wiesner discover quantum dense coding, showing that entanglement can double the classical information capacity of a quantum channel. #quantum #information
Quantum Dense Coding Discovered By JozumBjada - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=128744725
1991 CE
Ekart Proposes Quantum Cryptography
Artur Ekert proposes the E91 quantum cryptography protocol based on entanglement, enabling secure communication. #quantum #cryptography
Mar 29, 1993 CE
Quantum Teleportation Proposed
Charles Bennett and colleagues propose the theoretical scheme for quantum teleportation using entanglement. #quantum #teleportation
Quantum Teleportation Proposed By JozumBjada - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=128460435
1994 CE
Shor's Algorithm Discovered
Peter Shor develops a quantum algorithm for factoring integers, demonstrating the potential power of quantum computers. #quantum #computing
1995 CE
Quantum Information Theory Formalized
Bennett and others publish foundational papers on quantum information theory, including quantum error correction. #quantum #information
Quantum Information Theory Formalized By National Institute of Standards and Technology - Qubits, Public domain, https://commons.wikimedia.org/w/index.php?curid=51195384
1996 CE
Grover's Algorithm Discovered
Lov Grover develops a quantum algorithm for searching unsorted databases quadratically faster than classical algorithms. #quantum #computing
Dec 11, 1997 CE
First Experimental Quantum Teleportation
Anton Zeilinger's group in Innsbruck successfully teleports a quantum state of a photon for the first time. #quantum #teleportation
1998 CE
Teleportation of a Light Beam
Akira Furusawa and colleagues at Caltech teleport a coherent light beam, extending teleportation to continuous variables. #quantum #teleportation
2000 CE
First Quantum Error Correction Demonstration
Researchers demonstrate a simple quantum error-correcting code, a crucial step toward fault-tolerant quantum computing. #quantum #computing
2004 CE
Teleportation over 600 Meters
A team in Vienna successfully teleports quantum states over 600 meters using fiber optics. #quantum #teleportation
2007 CE
Entanglement over 144 Kilometers
Anton Zeilinger's group entangles photons across 144 km between the Canary Islands, setting a record. #quantum #entanglement
2008 CE
First Quantum Memory for Entanglement
Researchers demonstrate a quantum memory that stores entanglement, enabling future quantum networks. #quantum #memory
2010 CE
Teleportation Between Matter and Light
A team at the University of Maryland teleports a quantum state from an atom to a photon, bridging material and optical systems. #quantum #teleportation
2012 CE
Bell Test with Closing of All Loopholes
A group at the University of Vienna performs a Bell test that simultaneously closes the locality and detection loopholes. #quantum #physics
2013 CE
Quantum Teleportation over Free Space
Scientists teleport quantum states over 16 km of free space using optical links. #quantum #teleportation
2014 CE
Entanglement Swapping Demonstrated
Entanglement swapping is experimentally realized, allowing two independent particles to become entangled without direct interaction. #quantum #entanglement
2015 CE
Loophole-Free Bell Test Achieved
Three independent research groups perform loophole-free Bell tests, definitively ruling out local realism. #quantum #physics
Aug 16, 2016 CE
Launch of Micius Quantum Satellite
China launches the Micius satellite, enabling quantum experiments like entanglement distribution over long distances. #quantum #satellite
Launch of Micius Quantum Satellite By Vjacheslav Rublevskiy - https://www.flickr.com/photos/193162016@N04/51221161306/, CC0, https://commons.wikimedia.org/w/index.php?curid=106219380
2017 CE
First Quantum Teleportation from Ground to Satellite
Chinese scientists teleport a photon's quantum state from the ground to the Micius satellite in orbit. #quantum #teleportation
2017 CE
Intercontinental Quantum Entanglement
Using the Micius satellite, China and Austria establish entanglement over 7,600 km, a world record. #quantum #entanglement
2018 CE
Quantum Internet Prototype Demonstration
A three-node quantum network using entanglement is demonstrated in the Netherlands, a step toward a quantum internet. #quantum #network
Quantum Internet Prototype Demonstration By Evacreateva Eva Fessler / University of Innsbruck - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=192003492
Oct 23, 2019 CE
Google Claims Quantum Supremacy
Google's Sycamore processor performs a task in 200 seconds that would take a classical supercomputer 10,000 years, claiming quantum supremacy. #quantum #computing
Google Claims Quantum Supremacy By Coldupnorth - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=183423536
The Micius satellite distributes entangled photons over 1,500 km, enabling tests of Bell's inequalities at cosmic distances. #quantum #entanglement
2021 CE
First Demonstration of Quantum Error Correction with Logical Qubit
Scientists demonstrate a logical qubit with error correction, a milestone for fault-tolerant quantum computing. #quantum #computing
2021 CE
Quantum Teleportation over Fiber with Memory
A team teleports quantum information over 44 km of fiber with a quantum memory at the receiving end. #quantum #teleportation
Oct 4, 2022 CE
Nobel Prize for Quantum Entanglement Experiments
Alain Aspect, John Clauser, and Anton Zeilinger win the Nobel Prize in Physics for their pioneering work on entangled photons. #quantum #physics
2022 CE
Quantum Internet: Three-Node Network with Memories
A three-node quantum network using entanglement and quantum memories is demonstrated in Germany. #quantum #network
2023 CE
Entanglement Over a 1,000 km of Fiber
A team entangles photons across 1,000 km of deployed fiber, a record for terrestrial entanglement. #quantum #entanglement
2023 CE
Quantum Teleportation Between Non-Neighbor Nodes
A quantum network teleports information between non-adjacent nodes using entanglement swapping, advancing network architecture. #quantum #network
2024 CE
First Quantum Computer with Over 1,000 Qubits
A quantum processor with >1,000 superconducting qubits is announced by IBM, a milestone for scalability. #quantum #computing
2024 CE
Distributed Quantum Computing Demonstrated
Researchers link two quantum processors via entanglement to perform distributed quantum computing. #quantum #computing
2025 CE
Quantum Entanglement in Optical Fiber at Telecom Wavelengths
Efficient entanglement generation in standard telecom fiber is achieved, facilitating integration with classical networks. #quantum #photonics
2025 CE
Quantum Repeater Network Achieved
A functional quantum repeater network is demonstrated, enabling entanglement distribution over hundreds of kilometers without loss. #quantum #network
2025 CE
First Commercial Quantum Cryptography Network
A fully operational quantum cryptography network using entanglement is deployed for secure communication between multiple cities. #quantum #cryptography
