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Welcome!

Our group performs experiments on quantum physics of ultracold atoms, high resolution laser spectroscopy of single trapped ions and antimatter spectroscopy. We are located at the LMU University of Munich and at the Max-Planck Institute of Quantum Optics in Garching.

 

If you are interested in joining our team click here!


News

 

“I try to contribute ideas and motivate”:
Thomas Udem is a professor at LMU Munich and one of the longest-serving members of the laser spectroscopy research group led by Nobel prize winner Theodor Hänsch. ...more

 

 

How big is the alpha particle? Laser spectroscopy provides new results with record precision:
The size of the alpha particle, the nucleus of the helium atom, has been measured more accurately than ever before. Results now indicate a size 1.67824(83) femtometers, which is 4.8 times more precise than previous measurements. ...more

 

 

Gentner-Kastler Prize 2021 for Nathalie Picqué:
The DPG awards Nathalie Picqué with the 2021 Gentner-Kastler Prize for outstanding contributions to high-resolution broad-field molecular spectroscopy with frequency combs. ...more

 

 

The next phase of the proton puzzle:
Physicists at the Max Planck Institute of Quantum Optics have tested quantum mechanics to a completely new level of precision using hydrogen spectroscopy, and in doing so they came much closer to solving the well-known proton charge radius puzzle. ...more

 

 

Not all cats are grey in the dark!:
Our eyes are sensitive to only three spectral color bands, and we all know that we can no longer distinguish colors if it becomes very dark. Spectroscopists can identify many more colors by the frequencies of the light waves, so that they can distinguish atoms and molecules by their spectral fingerprints. ...more

 

 

Auf dem Weg zum Quantennetzwerk:
Physikern der LMU ist es in Zusammenarbeit mit Forschern der Universität des Saarlandes gelungen, eine Verschränkung zwischen den Quanteneigenschaften eines Atoms und eines Photons über 20 Kilometer Glasfaser zu erzeugen – ein neuer Rekord. ...more

 

 

Nano Innovation Award 2019 :
On July 19, the Nano Innovation Award 2019 was presented at the Center for NanoScience (CeNS) of the Ludwig-Maximilians-Universität (LMU) Munich.The Nano Innovation Award for the best doctoral thesis, went to Thomas Hümmer from the group of
Prof. T. Hänsch. ...more

 

 

Nathalie Picqué Elected as 2019 OSA Fellow :
The Optical Society OSA honours Max Planck Institute of Quantum Optics’ researcher Nathalie Picqué with the distinction 2019 OSA Fellow for her path-breaking work on molecular spectroscopy with optical frequency combs. ...more

 

 

Shrinking the proton again!
Scientists from the Max Planck Institute of Quantum Optics, using high precision laser spectroscopy of atomic hydrogen, confirm the surprisingly small value of the proto n radius deter mined from muonic hydrogen
...more

 

 

Neues Experiment bestätigt Verletzung der Bell’schen Ungleichung
LMU/MPQ-Wissenschaftler-Team schließt letzte „Schlupflöcher“ für Anhänger des lokal-realistischen Weltbildes
...more

 

 

 

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Nobel Prize 2005

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