QUANTUM DYNAMICS
Prof. Dr. Gerhard Rempe
Welcome to the homepage of the quantum dynamics group
Our Research Areas
Group Highlights:
July 2024: “A quantum-network register assembled with optical tweezers in an optical cavity” by L. Hartung et. al was published in Science. Please also have a look on our press release.
May 2024: “Fusion of deterministically generated photonic graph states” by P. Thomas et. al was published in Nature. We also created a press release.
January 2024: The Quantum Dynamics Group wishes you a Happy New Year 2024!
December 2023: We welcome Marvin Scholz as a master student in the CavityX team.
November 2023: We welcome Darius Haitsch, who has joined the Pistol/QGate team for his master studies.
October 2023: Thomas Stolz was awarded his PhD for his work on “A Quantum-Logic Gate between Optical Photons Based on Cavity Rydberg Blockade”.
October 2023: The Quantum Network welcomes four new colleagues this month:
- Juan Baratech Soriano as master student
- Güven Budak as master student
- Aaron Schäpers as PhD student
- Nilesh Goel as PhD student
September 2023: Michael Eichenberger defended his master thesis successfully.
July 2023: Manuel Brekenfeld was awarded his PhD for his work on "Ein photonischer Quantenspeicher mit einem Atom in gekreuzten optischen Faserresonatoren".
June 2023: Jakob Pforr joins the Quantum Networks group as a master student.
April 2023: The annual group retreat takes place at Schloß Ringberg near Tegernsee in the Bavarian Alps.
March 2023: This month, three new colleagues are starting in the Quantum Networks group:
- Benedikt Lezius as HiWi
- Dr. Kilian Sandholzer as PostDoc
- Tobias Weingarten as working student
March 2023: We welcome Michael Eichenberger as a master student in the Rydberg team.
January 2023: Two new colleagues join the Quantum Networks group:
- Dr. Adrian Holzäpfel as a PostDoc
- Dr. Joaquín Guimbao Gaspar as a PostDoc
January 2023: The Quantum Dynamics Group wishes you a happy and successful new year 2023!!
December 2022: The Quantum Networks group welcomes master student Kilian Baumann and bachelor student Salome Lomadze.
November 2022: This month, three new colleagues are starting in the Quantum Networks group:
- Ria Rosenauer as a master student
- Olivier Kuijpers as a master student
- Tristan Zerweck as HiWi
October 2022: We welcome Franz von Silva-Tarouca, who has joined the group in the QD QGate team for his master studies. The Quantum Network group welcomes PhD student Mayssane Selmani and master student Maximilian Pixner.
September 2022: We welcome the new Quantum Dynamics group Assistant Annika Scherer
September 2022: Boom Phrompao has won a poster prize at the Cold and Controlled Molecules & Ions Conference 2022 in Durham.
August 2022: “Efficient generation of entangled multi-photon graph states from a single atom” by P. Thomas et. al has been published in Nature. Here you can also find the MPQ press release.
August 2022: Andreas Reiserer is appointed as a Rudolf-Mößbauer-Professor at the Physics Department of the Technical University of Munich.
July 2022: Manuel Koller was awarded his PhD for his work on "Electric Field Controlled Collisions of Trapped Polyatomic Molecules". |
July 2022: Lorenz Weiß was awarded his PhD for his work on "Erbium dopants in silicon nanophotonic waveguides". |
July 2022: Pau Farrera won a poster prize at this year´s MCQST Conference in Sonthofen.
May 2022: “Electric-Field-Controlled Cold Dipolar Collisions between Trapped CH3F Molecules” by M. Koller et. al has been published in Physical Review Letters.
May 2022: “Quantum-logic gate between two optical photons with an average efficiency above 40%” by T. Stolz et. al has been published in Physical Review X. Here you can also find the MPQ press release.
April 2022: Michael Ziemba defended his master thesis successfully
February 2022: Stefan Langenfeld was awarded his PhD for his work on "Quantum Communication with a Two-Atoms Network Node". |
February 2022: Steffen Schmidt-Eberle was awarded his PhD for his work on "Ein Photon-Photon-Quantengatter basierend auf Rydberg-Rydberg-Wechselwirkung". |
January 2022: Severin Daiß was awarded his PhD for his work on "Single-Photon Distillation and Nonlocal Quantum-Logic Gate". |
December 2021: Martin Ibrügger was awarded his PhD for his work on "State Selective Fluorescence Detection of Cold Formaldehyde". |
November 2021: "A quantum-logic gate between two optical photons with an efficiency above 40%" by T. Stolz et. al has been published as a pre-print on arXiv.
October 2021: Fabian Salamon defended his master thesis successfully. He will start his PhD with the Quantum Networks Group in November.
October 2021: "High-resolution ``magic''-field spectroscopy on trapped polyatomic molecules" by A. Prehn et. al has been published in Physical Review Letters.
October 2021: The article "Bringing quantum networks to life" was published in Laser Focus World.
October 2021: Dominik Niemietz was awarded his PhD for his work on "Nondestructive detection of photonic qubits with single atoms in crossed fiber cavities". |
October 2021: We welcome Maya Büki as a new Phd student with the QGate team. Léon Carde starts as a master student with the Pistol team.
September 2021: Karl Miklautz defended his master thesis successfully.
September 2021: The current Chancellor of Germany, Angela Merkel, and the Bavarian Prime Minister, Markus Söder, were guests at our institute. They also visited our QGate lab and were very impressed about our science. Here you can find more information and pictures of the one-hour visit.
September 2021: Benjamin Merkel was awarded his PhD for his work on "Enhancing the Emission and Coherence of Erbium Dopants". |
September 2021: "Zerstörungsfreie Verfolgung eines einzelnen Photons" by S. Welte et al. has been published in Physik in unserer Zeit.
July 2021: “Dynamical Decoupling of Spin Ensembles with Strong Anisotropic Interactions” by B. Merkel et al. has been published in Physical Review Letters.
June 2021: "Coherent Control in the Ground and Optically Excited States of an Ensemble of Erbium Dopants" by P. Cova Farina et al. has been published in Physical Review Applied.
June 2021: "Detecting an Itinerant Optical Photon Twice without Destroying It" by E. Distante et al. has been published in Physical Review Letters. This paper was selected for an Editors' suggestion and for a Focus story.
June 2021: "Quantum repeater node demonstrating unconditionally secure key distribution" by S. Langenfeld et. al has been published in Physical Review Letters.
June 2021: Bianca Röhr defended her master thesis successfully.
May 2021: "A nondestructive Bell-state measurement on two distant atomic qubits" by S. Welte et al. has been published in Nature Photonics. Please also have a look on our MPQ press release.
April 2021: This month, three new colleagues are starting in our group:
- Hendrik Hegels as a PhD candidate with the Rydberg team
- Maximilan Winter as a master student with the Rydberg team
- Felix Wintersberger as a master student with the Quantum Networks Group
March 2021: "Quantum Teleportation between Remote Qubit Memories with Only a Single Photon as a Resource" by S. Langenfeld, S. Welte et al. has been published in Physical Review Letters. Please also have a look on our MPQ press release.
March 2021: "Nondestructive detection of photonic qubits" by D. Niemietz et al. has been published in Nature. Please also have a look on our press release.
March 2021: "Continuous quantum light from a dark atom" by K. N. Tolazzi et al. has been published in Communications Physics.
March 2021: Saibin Zhou defended her master thesis successfully.
February 2021: "A quantum-logic gate between distant quantum-network modules" by S. Daiss et al. has been published in Science. There was also written a perspective article by David Hunger. Please also have a look on our MPQ press release. There was a news article posted on the Quantum Flagship website and an article at physics world about this paper.
January 2021: "Erbium dopants in nanophotonic silicon waveguides" by L. Weiß et al. has been published in Optica.
January 2021: "Laser stabilization to a cryogenic fiber ring resonator" by B. Merkel et al. has been published in Optics Letters. This paper was selected as a "Spotlight" by OSA. The editor has also written a short summary.
January 2021: The Quantum Dynamics Group wishes you a happy and successful new year 2021!!
December 2020: Matthias Körber was awarded his PhD for his work on "Long-Lived and Efficient Qubit Memory for Photonic Quantum Networks". Here you can find some information about Matthias' work during his PhD time. |
November 2020: Thomas Gantner was awarded his PhD for his work on "Cold, Dense, and Slow Samples of Polyatomic Molecules for Collision Experiments". Here you can find some information about Thomas' work during his PhD time. |
November 2020: "Coherent and Purcell-Enhanced Emission from Erbium Dopants in a Cryogenic High-Q Resonator" by B. Merkel et al. has been published in Phys. Rev. X. Please also have look on our MPQ press release.
November 2020: We welcome Gianvito Chiarella in our group. This month, Gianvito is starting as a PhD candidate with the CavityX team.
October 2020: "A network-ready random-access qubits memory" by S. Langenfeld et al. has been published in Nature Partner Journal Quantum Information.
October 2020: Nicolas Tolazzi was awarded his PhD for his work on "Atomic Cycles in Cavity QED". Here you can find some information about Nico´s work during his PhD time. |
October 2020: This month, four new colleagues are starting in our group:
- Leonardo Ruscio as a PhD candidate with the Pistol team
- Matthias Seubert as a PhD candidate with the QGate team
- Jasper Ebel as a master student with the Quantum Networks Group
- Karl Miklautz as a master student with the Quantum Networks Group
September 2020: We welcome Michael Ziemba in the group. This month, Michael is starting as a master student with the Cryofuge team.
August 2020: We welcome Tobias Frank who is starting as a PhD candidate with the CavityX team.
June 2020: "Buffer-gas cooling of molecules in the low-density regime comparison between simulation and experiment" by T. Gantner et al. has been published in Journal of Physics B.
May 2020: Florian Burger and Alexander Ulanowski defended their master theses successfully.
May 2020: We welcome two new group members: Bianca Röhr is starting as a master student with the Rydberg team and Stephan Rinner is starting as a PhD candidate with the Quantum Networks Group.
April 2020: "A quantum network node with crossed optical fibre cavities" by M. Brekenfeld et al. has been published in Nature Physics.
March 2020: Daniel Tiarks was awarded his PhD for his work on "Quantum bits in ensembles of ultracold Rydberg atoms". |
March 2020: "Continuous Generation of Quantum Light from a Single Ground-State Atom in an Optical Cavity" by C. J. Villas-Boas et al. has been published in Physical Review Letters.
March 2020: We welcome Fabian Salamon as a master student in our group. This month, Fabian is starting with the Molecule team.
February 2020: Daniel Repp defended his master thesis successfully.
January 2020: " Dark-time decay of the retrieval efficiency of light stored as a Rydberg excitation in a noninteracting ultracold gas" by S. Schmidt-Eberle et al. has been published in Physical Review A.
January 2020: " Accurate photonic temporal mode analysis with reduced resources" by O. Morin et al. has been published in Physical Review A.
January 2020: The Quantum Dynamics Group wishes you a happy and successful new year 2020!!
December 2019: We welcome Ya-Fen Hsiao to the Quantum Dynamics Division! This month, Ya-Fen is starting as a postdoc with the RydPhot team.
October 2019: We welcome Boom Phrompao to the Quantum Dynamics Division! This month, Boom is starting as a PhD student with the molecule team.
September 2019: The annual group retreat takes place at Schloß Ringberg near Tegernsee in the Bavarian Alps.
September 2019: Stephan Welte was awarded his PhD for his work on "Photon-Mediated Quantum Information Processing with Neutral Atoms in an Optical Cavity". |
September 2019: " Deterministic Shaping and Reshaping of Single-Photon Temporal Wave Functions" by O. Morin et al. has been published in Physical Review Letters.
September 2019: Bastian Hacker was awarded his PhD for his work on "Two-Photon Gate and Creation of Optical Cat States using One Atom in a Cavity". |
September 2019: We welcome Pau Farrera to the Quantum Dynamics Division! This month, Pau is starting as a postdoc with the QIP team.
April 2019: " Single-Photon Distillation via a Photonic Parity Measurement Using Cavity QED" by S. Daiss et al. has been published in Physical Review Letters.
January 2019: We welcome Emanuele Distante to the Quantum Dynamics Division! This month, Emanuele is starting as a postdoc with the QIP team.
January 2019: " Deterministic creation of entangled atom–light Schrödinger-cat states" by B. Hacker et al. has been published in Nature Photonics. More information for the general audience can be found in our MPQ press release, in an article in Physics Today (in English), or in an article in Spektrum der Wissenschaft (in German).
January 2019: The Quantum Dynamics Group wishes you a happy and successful new year 2019!!
November 2018: " State resolved investigation of Förster resonant energy transfer in collisions between polar molecules and Rydberg atoms" by F. Jarisch et al. has been published in New Journal of Physics.
November 2018: Alexander Prehn was awarded his PhD for his work on "An Ultracold Gas of Electrically Trapped Formaldehyde". |
November 2018: We welcome Christopher Ianzano to the Quantum Dynamics Division! This month, Christopher is starting as a PhD student with the QED team.
October 2018: " A photon–photon quantum gate based on Rydberg interactions" by D. Tiarks et al. has been published in Nature Physics. More information for the general audience can be found in our MPQ press release.
October 2018: The annual group retreat takes place at Schloß Ringberg near Tegernsee in the Bavarian Alps.
October 2018: We welcome Florian Jung to the Quantum Dynamics Division! This month, Florian is starting as a PhD student with the molecule team.
August 2018: We welcome Philip Thomas to the Quantum Dynamics Division! This month, Philip is starting as a PhD student with the QIP team.
July 2018: We welcome Lukas Hartung to the Quantum Dynamics Division! This month, Lukas is starting as a PhD student with the QIP team.
July 2018: " Increased dimensionality of Raman cooling in a slightly nonorthogonal optical lattice" by A. Neuzner et al. has been published in Physical Review A.
June 2018: " Strong coupling between photons of two light fields mediated by one atom" by C. Hamsen et al. has been published in Nature Physics. More information for the general audience can be found in our MPQ press release or in an article in Physics Today.
May 2018: " Continuous parametric feedback cooling of a single atom in an optical cavity" by C. Sames et al. has been published in Physical Review A.
March 2018: Christian Sames was awarded his PhD for his work on "Atomic antiresonance and parametric feedback in a strongly coupled atom-cavity quantum system". |
February 2018: " Photon-Mediated Quantum Gate between Two Neutral Atoms in an Optical Cavity" by S. Welte et al. has been published in Physical Review X. More information for the general audience can be found in our MPQ press release.
February 2018: We welcome Isabel Rabey to the Quantum Dynamics Division! This month, Isabel is starting as a Postdoc with the molecule team.
January 2018: The Quantum Dynamics Group wishes you a happy and successful new year 2018!!
December 2017: Christoph Hamsen was awarded his PhD for his work on "Interacting Photons in a Strongly Coupled Atom-Cavity System". |
December 2017: " Decoherence-protected memory for a single-photon qubit" by M. Körber et al. has been published in Nature Photonics. More information for the general audience can be found in our MPQ press release.
November 2017: " A cryofuge for cold-collision experiments with slow polar molecules" by X. Wu et al. has been published in Science. More information for the general audience can be found in our MPQ press release.
October 2017: Manuel Uphoff was awarded his PhD for his work on "Optical microcavities for quantum communication with single atoms". |
October 2017: We welcome Maximilian Löw to the Quantum Dynamics Division! This month, Maximilian is starting as a PhD student with the molecule team.
September 2017: The annual group retreat takes place at the Gasthof Rechtegg in the Austrian Alps across from the Großvenediger.
August 2017: The NIM Conference on Resonator QED co-organized by Gerhard Rempe takes place from August 29 to September 1 at the Kardinal-Wendel-Haus in Munich.
July 2017: Severin Daiß wins the first poster prize at the Young Atoms Opticians conference in Paris for his poster on "Entangling Two Matter Qubits Using Cavity QED".
June 2017: " Nondestructive detection of polar molecules via Rydberg atoms" by M. Zeppenfeld has been published in Europhysics Letters.
June 2017: We welcome Bo Wang to the Quantum Dynamics Division! This month, Bo is starting as a PhD student with the QED team.
May 2017: Xing Wu was awarded his PhD for his work on "A Centrifuge Decelerator and a Thermometer for Cold Polar Molecules". |
May 2017: " Cavity Carving of Atomic Bell States" by S. Welte et al. has been published in Physical Review Letters.
April 2017: We welcome Thomas Stolz to the Quantum Dynamics Division as a PhD student! After completing his master studies in the group, Thomas is continuing his research in the BEC team.
March 2017: " Two-Photon Blockade in an Atom-Driven Cavity QED System" by C. Hamsen et al. has been published in Physical Review Letters. More information for the general audience can be found in our MPQ press release.
March 2017: " Fast, precise, and widely tunable frequency control of an optical parametric oscillator referenced to a frequency comb" by A. Prehn et al. has been published in Review of Scientific Instruments.
January 2017: We welcome Clinton Potts to the Quantum Dynamics Division! This month, Clinton is starting as a PhD student with the QED team.
January 2017: We welcome Dr. Lin Li to the Quantum Dynamics Division! This month, Lin joins the QIP team as a postdoc.
January 2017: The Quantum Dynamics Group wishes you a happy and successful new year 2017!!