Max Planck Institute of Quantum Optics

Research publications

You can find more research publications messages on the website of the Institute:

Research publications 2016

Electric current at record speed

October 25, 2016

By using ultrafast laser flashes, Max Planck scientists have generated the fastest electric current that has ever been measured inside a solid material [more]


Quantum logic with photons

July 12, 2016

A quantum gate allows light particles to interact with each other and could thus become the key component in a quantum computer [more]


Double-slit experiment in a hall of mirrors

March 21, 2016

A purely quantum physical variation of the classic experiment with two atoms reveals surprising interference phenomena [more]


Testing the response time of electrons

February 16, 2016

The first visible attosecond pulses allow researchers to determine the delay with which electrons in atoms respond to the electromagnetic forces of light [more]

Research publications 2015

X-ray source for minute details

August 31, 2015

A laser-driven X-ray source makes it possible to produce very high-resolution images of tissues such as tumours [more]


Artificial crystal: Magnetism in World Cup fever

April 01, 2015

Rydberg atoms can be used to produce magnetic crystals in an optical lattice [more]


Racing through the crystal lattice

January 20, 2015

An electron takes 40 attoseconds to pass through a single layer of atoms [more]

Research publications 2014

“My goal is a quantum Internet”

April 16, 2014

Interview with Gerhard Rempe about the fascination of and prospects for quantum information technology [more]


Training atoms

April 14, 2014

Gerhard Rempe, Director at the Max Planck Institute for Quantum Optics in Garching, uses single atoms to study the interaction between light and matter at the most elementary level. [more]


Computing with a quantum trick

April 09, 2014

With a quantum gate Max Planck physicists have developed an essential logic element for quantum computers [more]


A disk brake for molecules

January 30, 2014

Using centrifugal force to decelerate particles creates new opportunities for chemistry and quantum information processing [more]

Research publications 2013

Electrons surf the laser wave

October 08, 2013

Charged particles can be accelerated using light, leading the way for more compact particle accelerators [more]


A temperature below absolute zero

January 04, 2013

Atoms at negative absolute temperature are the hottest systems in the world [more]

Research publications 2012

A light switch for fast electronics

December 14, 2012

Extremely brief and intense laser pulses can switch fused silica (quartz) from an insulator to a conductor and back again ­within quadrillionths of a second.



Sisyphean work for polar molecules

December 04, 2012

A new method of cooling polar molecules reveals the potential to investigate gases near absolute zero [more]


Geometry of super atoms

November 22, 2012

Rydberg excitations form ordered structures in a quantum gas due to long-range interactions [more]


Gold lenses used to create gamma optics

May 18, 2012

A fundamental assumption of physics is toppled: even extremely high-energy radiation is refracted in suitable materials such as silicon or gold [more]


Atoms in quantum dialogue

April 20, 2012

Quantum bits can now be transmitted between two atoms in a controlled way and reversibly stored in the atoms [more]

Research publications 2011

Taming light

September 08, 2011

White laser pulses with precisely tailored waveform enable the control of electrons in the microcosm [more]


Metal tip spouts electrons with an attosecond beat

July 08, 2011

Researchers can now control whether an extremely short laser pulse releases fast electrons from a metal tip with an accuracy of a hundred attoseconds [more]


Single atom stores quantum information

May 02, 2011

A powerful quantum computer could be designed with an incredibly tiny memory [more]


Light marker describes quantum gas atom by atom

March 28, 2011

The spin of individual atoms in an optical crystal can be modified so that they can serve as quantum bits or explain unsolved quantum phenomena [more]

Research publications 2010

The proton - smaller than thought

July 12, 2010

An international team measures the charge radius of the hydrogen nucleus and stumbles across some mysteries of physics [more]


Electrons are late starters

June 30, 2010

Contrary to previous assumptions, electrons are catapulted out of an atom during photoemission with a delay [more]


Quantum gas in free fall

June 22, 2010

Physicists produce a Bose-Einstein condensate at zero gravity - a step towards extremely sensitive quantum sensors for gravitation [more]

Research publications 2009

Quantum-limited measurement method for nanosensors

October 14, 2009

Scientists apply optical methods to nano-mechanical objects [more]

Research publications 2008

An accurate speedometer for astronomy

September 09, 2008

New method for determining the velocities of stars and other celestial bodies which is a thousand times more accurate [more]


Ultrafast look into atoms and molecules

June 20, 2008

New record in ultrafast metrology: Physicists at Max-Planck Institute of Quantum Optics and the Ludwig-Maximilians-University Munich are the first to produce light pulses lasting only 80 attoseconds. [more]

Research publications 2007

Electrons caught in the act of tunnelling

April 12, 2007

An international team of researchers has observed the quantum mechanical tunnelling effect for the first time [more]


A single-photon server with just one atom

March 12, 2007

Physicists at Max Planck Institute of Quantum Optics have succeeded in turning a Rubidium atom into a single-photon server. [more]

Research publications 2006

First Quantum Teleportation between Light and Matter

October 05, 2006

Researcher at the Max Planck Institute of Quantum Optics in Garching and the Niels Bohr Institute in Copenhagen have succeeded in transferring a quantum state of light to a material object - an ensemble of atoms. [more]


Laser Wave Steers Electrons in Chemical Bonds

April 13, 2006

A Dutch-German team of scientists has succeeded for the first time in controlling a chemical reaction via steering the motion of electrons with ultrashort laser pulses of a precisely controlled waveform. [more]

Research publications 2005

Quantum Chaos

November 04, 2005

Max Planck researchers in Garching, Germany, demonstrate quantum chaos in atom ionisation for the first time [more]


Atoms Under Control

October 11, 2005

Max Planck researchers lay the foundations for a distributed quantum computer with the "quasipermanent" storing of an atom between two mirrors [more]


X-rays have become laser-like

February 15, 2005

Austrian-German research team demonstrates for the first time a source of coherent kiloelectronvolt X-rays, which promises extraordinary applications [more]

Research publications 2004

Equivalence Principle also Valid for Atoms

December 17, 2004

Garching and Tübingen physicists have on an "atomic fountain" carried out Galilei’s leaning tower experiment with quantum objects [more]


Quantum memory for light

December 03, 2004

Realization of quantum memory for light allows the extension of quantum communication far beyond 100 km [more]


Photons under Control

October 28, 2004

Building block created for quantum-computing, secure communication and quantum Internet [more]


Light oscillations become visible

August 27, 2004

Austrian-German research team demonstrates for the first time an attosecond "oscilloscope" rendering the hyper-fast field oscillations of visible light. [more]


When Bosons become Fermions

May 19, 2004

New quantum state of matter revealed by scientists in Munich and Mainz [more]


The fastest stopwatch in the world

February 25, 2004

German-Austrian research team presents a method of measuring time in the region of a few hundred attoseconds, allowing the observation of atomic processes on this time scale [more]

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