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Humboldt-Universität zu Berlin - Faculty of Mathematics and Natural Sciences - Fundamentals of Optics and Photonics

Thinner than light...

The research group "Applied Quantum Physics" works with glass fibers having a diameter smaller than the wavelength of the guided light. The special properties of these glass fibers make them suitable for using them as a “quantum laboratory”.


Monday, 2020-04-27

Paper on the measurement of the lifetime of the Cs 52D5/2-state published

Our work on the precise lifetime measurement of the cesium 52D5/2 state, has been published in Phys. Rev. A 101, 042510 (2020)

Thursday, 2020-03-06

Paper on nanofiber-based microresonator for cryogenic applications published

Our work on cryo-compatible nanofiber-based microresonators, has been published in Opt. Expr. 28, 3249 (2020)

Monday, 2020-03-02

New group member

Dr. Riccardo Pennetta has joined our group as a PostDoc. He completed his PhD at the Max-Planck Institute for the science of light, in the group of Philip Russell. Welcome to the group!

Monday, 2020-01-13

Our work on ARD alpha

Arno Rauschenbeutel talks about our research in the series Campus Talks on ARD alpha. The videao is avaiable in the mediathek.

Wednesday, 2019-12-11

Paper on Superstrong coupling published

Our work on collective superstrong coupling of atoms to a 30-m long resonator, has been published in Phys. Rev. Lett. 123, 243602 (2019)

Montag, 2019-12-02

New group member

Dr. Martin Cordier has joined our group as a PostDoc. He completed his PhD at Université Paris-Saclay, in the group of Isabelle Zaquine working photon-pair generation in hollow-core photonic-crystal fibers. Welcome to the group!

Friday, 2019-11-15

Paper on Heating in nanophotonic atom traps published

Our work on Heating in nanophotonic traps for cold atoms, a collaboration with the group of Oriol Romero-Isart from Innsbruck, has been published in Phys. Rev. X 9, 041034 (2019).

Monday, 2019-11-11

PhD Defense

Jakob Hinney was awarded his PhD in pyhsics. He did his work on "Generation of squeezed light with nanofiber-trapped atoms". Congratulations!

Wednesday, 2019-10-16

Our work at the HU Podcast

Arno Rauschenbeutel talks about Quantum Photonics on Podcampus.

Thursday, 2019-07-18

Arrival in Berlin

Our group is now located at the Humboldt-University zu Berlin! 

Montag, 2019-05-27

PhD Defense

Stefan Walser was awarded his PhD in pyhsics. He did his work on "Spin-Orbit Interaction in Optical Imaging". Congratulations!

Montag, 2019-04-01

New group member

Dr. Maximilian Schemmer has joined our group as a PostDoc. He completed his PhD at Institute d'Optique, Paris, in the group of Isabelle Bouchoule working on Bose-Einstein-Condensates trapped on an atom chip. Welcome to the group!

Mittwoch, 2019-03-20

Quantum Kate video on Entanglement online

We have provided scientific input for the YouTube channel 'Quantum Kate' for a video on entanglement. Follow the link for the english and german version of the clip.

Donnerstag, 2019-01-24

Dissertation Prize

Dr. Michael Scheucher was awarded the 2018 dissertation prize of the city of Vienna for his PhD thesis "Single-atom cavity quantum electrodynamics with whispering-gallery-modes: Single-photon nonlinearity and nonreciprocity". Congratulations!

Mittwoch, 2019-01-16

New group member

Dr. Sofia Pazzagli has joined our group as a PostDoc and will be working on the molecules experiment. She completed her PhD at LENS, Florence, under the supervision of Constanza Toninelli working on organic nanocrystals and polymeric waveguides followed by PostDoc work at the National Institute of Optics, Florence, working on the integration of fluorescent molecules with lithographic techniques. Welcome to the group!

Freitag, 2018-11-09

New (old) group member

Sebastian Pucher finished his Masters project in our group and has now begun his PhD with us. Welcome (once again)!

Freitag, 2018-10-26

Paper on optical localization errors published

Our work on optical localization errors related to spin-orbit coupling, a collaboration with the group of Rainer Blatt from Innsbruck, has been published as an advance publication in Nature Physics 15, 17 (2019).

Donnerstag, 2018-09-06

Paper on near-ground-state-cooling published

Our work on 'Near-Ground-State Cooling of Atoms Optically Trapped 300 nm Away from a Hot Surface' was published in Phys. Rev. X 8, 031054.

Dienstag, 2018-08-28

Position at Humboldt University accepted

Arno Rauschenbeutel has accepted a position as Professor at Humboldt University in Berlin and has been awarded an Alexander-von-Humboldt Grant by the Humboldt Foundation. Follow the link for the HU press release and an introductory video on our research.

Montag, 2018-08-20

ErBeSta website online

The website of our ErBeStA (Error-Proof Bell-State Analyser) collaboration is now online: www.erbesta.eu

Donnerstag, 2018-08-09

Cold-atom-based implementation of the quantum Rabi model

Our paper 'Cold-atom-based implementation of the quantum Rabi model' was published in Phys. Rev. A 98, 021801(R)