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Quantum Optics & Laser Coherence: Modern Frontiers & Breakthrough Innovations

Encyclopedia/1. The Cosmos & The Natural World/2. Physics & Chemistry/01. Quantum Physics & Atomic Theory  •  Curated by Admin Timeline.sg

This timeline traces the evolution of quantum optics and laser coherence from ancient theories of light to modern breakthroughs in quantum communication and computing, highlighting key discoveries and pioneers across the globe.

Chronological Storyline (42 Milestones)

1021 CE

Ibn al-Haytham's Book of Optics

Ibn al-Haytham publishes the Book of Optics, laying foundations for modern optics through experimental methods and theories on light propagation. #optics #history

Ibn al-Haytham's Book of Optics
Ibn al-Haytham's Book of Optics
By Ibn al-Haytham, Vitello, Friedrich Risner - University of Oklahoma History of Science Collections et BnF Gallica : http://gallica.bnf.fr/ark:/12148/bpt6k312873d.r=Haytham?rk=407727;2, Public domain, https://commons.wikimedia.org/w/index.php?curid=48189707
1672 CE

Newton's prism experiment

Isaac Newton demonstrates that white light splits into colors using a prism, establishing the basis for spectroscopy. #optics #science

Newton's prism experiment
Newton's prism experiment
By Unknown author, Public domain, https://commons.wikimedia.org/w/index.php?curid=510265
1801 CE

Young's double-slit experiment

Thomas Young performs the double-slit experiment, proving the wave nature of light. #optics #physics

Young's double-slit experiment
Young's double-slit experiment
By Original: NekoJaNekoJa Vector: Johannes Kalliauer - Own work based on: Double-slit.PNG:, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=61496401
1865 CE

Maxwell's electromagnetic theory

James Clerk Maxwell unifies electricity and magnetism, predicting that light is an electromagnetic wave. #physics #optics

Maxwell's electromagnetic theory
Maxwell's electromagnetic theory
By Unknown author - https://www.researchgate.net/figure/James-Clerk-Maxwell-1831-1879_fig1_360164096, Public domain, https://commons.wikimedia.org/w/index.php?curid=129476608
1887 CE

Michelson-Morley experiment

Michelson and Morley fail to detect the luminiferous aether, paving the way for relativity and confirming light's constant speed. #physics #experiment

Michelson-Morley experiment
Michelson-Morley experiment
By Case Western Reserve University - http://www.cellularuniverse.org/AA2MM_Aether.htm, Public domain, https://commons.wikimedia.org/w/index.php?curid=48697725
Dec 14, 1900 CE

Planck's blackbody radiation law

Max Planck introduces the quantum theory to explain blackbody radiation, heralding the birth of quantum physics. #quantum #physics

Planck's blackbody radiation law
Planck's blackbody radiation law
By Darth Kule - Own work, Public domain, https://commons.wikimedia.org/w/index.php?curid=10555337
1905 CE

Einstein's photoelectric effect

Albert Einstein explains the photoelectric effect using light quanta (photons), crucial for quantum mechanics. #quantum #physics

Einstein's photoelectric effect
Einstein's photoelectric effect
By Ponor - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=92684859
1917 CE

Einstein's stimulated emission

Einstein introduces the concept of stimulated emission, the theoretical basis for lasers. #quantum #laser

Einstein's stimulated emission
Einstein's stimulated emission
By 彭嘉傑 - Own work, CC BY 2.5, https://commons.wikimedia.org/w/index.php?curid=60733412
1924 CE

Bose's quantum statistics

Satyendra Nath Bose sends his quantum statistics paper to Einstein, leading to Bose-Einstein statistics and the concept of bosons. #quantum #physics

Bose's quantum statistics
Bose's quantum statistics
By Ashton Bradley Aspir8 (talk) - Own work based on: Fermi-Dirac Bose-Einstein Maxwell-Boltzmann statistics.svg, CC0, https://commons.wikimedia.org/w/index.php?curid=149697440
1927 CE

Heisenberg's uncertainty principle

Werner Heisenberg formulates the uncertainty principle, a fundamental limit in quantum measurement. #quantum #physics

Heisenberg's uncertainty principle
Heisenberg's uncertainty principle
By Unknown author - This image was provided to Wikimedia Commons by the German Federal Archive (Deutsches Bundesarchiv) as part of a cooperation project. The German Federal Archive guarantees an authentic representation only using the originals (negative and/or positive), resp. the digitalization of the originals as provided by the Digital Image Archive., CC BY-SA 3.0 de, https://commons.wikimedia.org/w/index.php?curid=5436254
1928 CE

Raman effect discovered

C.V. Raman discovers the inelastic scattering of light, now called the Raman effect, crucial for spectroscopy. #physics #optics

Raman effect discovered
Raman effect discovered
By KCVelaga - File:Electron-scattering.png by JabberWok, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=79274364
1935 CE

EPR paradox paper

Einstein, Podolsky, and Rosen argue that quantum mechanics is incomplete, introducing the concept of entanglement. #quantum #physics

EPR paradox paper
EPR paradox paper
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
1947 CE

Lamb shift measurement

Willis Lamb and Robert Retherford measure the Lamb shift, stimulating the development of quantum electrodynamics (QED). #quantum #physics

Lamb shift measurement
Lamb shift measurement
By Joel Holdsworth (Joelholdsworth) - Non-Derived SVG of Radiate gluon.png, originally the work of SilverStar at Feynmann-diagram-gluon-radiation.svg, updated by joelholdsworth., Public domain, https://commons.wikimedia.org/w/index.php?curid=1764161
1950 CE

Kastler's optical pumping

Alfred Kastler develops optical pumping, a technique to alter atomic energy levels with light, key for laser spectroscopy. #physics #optics

Kastler's optical pumping
Kastler's optical pumping
By Arnero - Own work, Public domain, https://commons.wikimedia.org/w/index.php?curid=3426192
1953 CE

First maser built

Charles Townes and colleagues demonstrate the first maser (microwave amplification by stimulated emission of radiation). #physics #laser

First maser built
First maser built
By Dan Rubin - Retrieved February 18, 2015 from Shunaman, Fred "Revolutionary new oscillator-amplifier" in Radio-Electronic Engineering magazine, Ziff-Davis Publishing Co., New York, Vol. 26, No. 6, June 1955, cover on http://www.americanradiohistory.com, Public domain, https://commons.wikimedia.org/w/index.php?curid=38461589
May 16, 1960 CE

First laser operates

Theodore Maiman fires the first working laser, a ruby laser, at Hughes Research Laboratories. #laser #physics

First laser operates
First laser operates
By ESO/A. Ghizzi Panizza (www.albertoghizzipanizza.com) - This media was produced by the European Southern Observatory (ESO), under the identifier potw2222a This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing., CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=135742267
1963 CE

Glauber's quantum optics theory

Roy Glauber publishes his quantum theory of optical coherence, founding modern quantum optics. #quantumoptics #physics

Glauber's quantum optics theory
Glauber's quantum optics theory
By Markus Pössel (User name: Mapos) - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=20138900
1964 CE

Bell's theorem

John Bell shows that local hidden variable theories cannot reproduce all quantum predictions, enabling experimental tests of quantum nonlocality. #quantum #physics

1969 CE

Photon antibunching observed

Kimble, Dagenais, and Mandel observe photon antibunching, demonstrating the quantum nature of light. #quantumoptics #experiment

1974 CE

Hong-Ou-Mandel effect predicted

Hong, Ou, and Mandel predict the Hong-Ou-Mandel effect, a quantum interference phenomenon essential for photonic quantum computing. #quantumoptics #physics

1975 CE

Doppler cooling proposed

Hansch and Wineland independently propose Doppler laser cooling of atoms, a technique for achieving ultracold temperatures. #laser #physics

Doppler cooling proposed
Doppler cooling proposed
By Cmglee - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=24869456
1981 CE

Aspect's Bell test experiments

Alain Aspect conducts experiments confirming violations of Bell's inequalities, supporting quantum nonlocality. #quantum #experiment

Aspect's Bell test experiments
Aspect's Bell test experiments
By Ecole polytechnique from Paris - PHYSIQUE QUANTIQUE : LES TRAVAUX D'ALAIN ASPECT, PROFESSEUR À L’X, COURONNÉS DU PRIX NOBEL 2022, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=126015843
1982 CE

Cavity QED demonstration

Haroche and colleagues observe quantum effects in cavity quantum electrodynamics, controlling light-matter interactions. #quantumoptics #physics

1985 CE

Quantum cryptography proposal

Bennett and Brassard devise the BB84 protocol for quantum key distribution, founding quantum cryptography. #quantum #cryptography

1986 CE

Optical tweezers invented

Arthur Ashkin invents optical tweezers using laser beams to trap and manipulate microscopic particles. #laser #physics

Optical tweezers invented
Optical tweezers invented
By Bjschellenberg - https://stevenhoekstra.owlstown.net/projects/426-levitated-nanospheres (see doi:10.1063/5.0166136 that is CC-BY and has this image as issue-cover, with first-author matching uploader's username), CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=137390829
1987 CE

Hong-Ou-Mandel dip observed

Hong, Ou, and Mandel experimentally observe the Hong-Ou-Mandel dip, demonstrating two-photon interference. #quantumoptics #experiment

1990 CE

Squeezed light produced

Researchers generate squeezed light with reduced quantum noise, improving precision in measurements. #quantumoptics #experiment

Squeezed light produced
Squeezed light produced
By Geek3 - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=79089581
1995 CE

Bose-Einstein condensate created

Cornell, Wieman, and Ketterle achieve Bose-Einstein condensation in dilute gases, a new quantum state of matter. #quantum #physics

Bose-Einstein condensate created
Bose-Einstein condensate created
By Vectorized version by AG Caesar, original by DG85 - Inspired by a work from Wikipedia User DG85 https://commons.wikimedia.org/wiki/File:QuantumPhaseTransition.png, Public domain, https://commons.wikimedia.org/w/index.php?curid=67110336
1997 CE

Quantum teleportation demonstrated

Zeilinger's group teleports a quantum state of light using entanglement, a milestone for quantum information. #quantum #teleportation

Quantum teleportation demonstrated
Quantum teleportation demonstrated
By JozumBjada - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=128460435
2001 CE

Nobel Prize for Bose-Einstein condensates

Cornell, Ketterle, and Wieman receive the Nobel Prize in Physics for the creation of Bose-Einstein condensation. #quantum #physics

2004 CE

Optical frequency comb developed

Hänsch and Hall develop the optical frequency comb, revolutionizing precision spectroscopy and timekeeping. #laser #physics

Optical frequency comb developed
Optical frequency comb developed
By Rubber Duck (☮ • ✍) - Own work, Public domain, https://commons.wikimedia.org/w/index.php?curid=39652854
2005 CE

Nobel for quantum optics theory

Roy Glauber wins Nobel Prize for his contribution to the quantum theory of optical coherence. #quantumoptics #physics

Nobel for quantum optics theory
Nobel for quantum optics theory
By Photograph: JonathunderMedal: Erik Lindberg (1873-1966) - Derivative of File:NobelPrize.JPG, PD-US, https://en.wikipedia.org/w/index.php?curid=58432969
2010 CE

Quantum walks realized in photonic systems

Photonic quantum walks are experimentally demonstrated, important for quantum simulations and algorithms. #quantum #optics

2012 CE

Nobel for measuring and controlling quantum systems

Haroche and Wineland receive Nobel for ground-breaking experimental methods measuring and manipulating individual quantum systems. #quantum #physics

2015 CE

Measurement-device-independent QKD

Lo et al. propose and demonstrate measurement-device-independent quantum key distribution, closing security loopholes. #quantum #cryptography

Feb 11, 2016 CE

LIGO detects gravitational waves

LIGO uses laser interferometry to detect gravitational waves, opening a new era in astronomy. #laser #physics

LIGO detects gravitational waves
LIGO detects gravitational waves
By Amber Stuver - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=46993713
Aug 16, 2016 CE

Quantum satellite Micius launched

China launches the Micius satellite, enabling quantum experiments over long distances and intercontinental QKD. #quantum #satellite

Quantum satellite Micius launched
Quantum satellite Micius launched
By Vjacheslav Rublevskiy - https://www.flickr.com/photos/193162016@N04/51221161306/, CC0, https://commons.wikimedia.org/w/index.php?curid=106219380
2017 CE

Quantum teleportation over 1,200 km

Pan Jianwei's team achieves quantum teleportation from ground to satellite over 1,200 km, a record distance. #quantum #teleportation

2019 CE

Quantum internet testbed

Researchers demonstrate a three-node quantum network in the Netherlands, a milestone for quantum internet. #quantum #networking

Quantum internet testbed
Quantum internet testbed
By Evacreateva Eva Fessler / University of Innsbruck - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=192003492
2020 CE

Boson sampling supremacy

Chinese team demonstrates boson sampling with 76 photons, achieving quantum computational advantage. #quantum #computing

Oct 4, 2022 CE

Nobel for Bell test experiments

Alain Aspect, John Clauser, and Anton Zeilinger share the Nobel Prize in Physics for experiments with entangled photons and Bell tests. #quantum #physics

2023 CE

Photonic quantum computing breakthrough

Researchers demonstrate a photonic quantum computer with 256 qubits, advancing fault-tolerant quantum computation. #quantum #computing