December 2014: Former group members Dominik Bauer and Patrizia Krok present their current work at the inaugural meeting of the Charitable Association of Alumni, Friends, Supporters of MPQ.
October 2014: We welcome Olivier Morin to the Quantum Dynamics Division! This month, Olivier is starting as a postdoc with the QIP team.
September 2014: Rosa Glöckner wins the best poster award at the Conference on Cold and Controlled Molecules and Ions at Monte Verità (Switzerland). Her contribution on "Rotational state manipulation of trapped polyatomic molecules" was honoured with prize money in the amount of 250 CHF.
August 2014: Rosa Glöckner and Thomas Gantner supervise a group of 6 schoolgirls for three days performing a variety of experiments in the context of the bavarian summer program "Mädchen machen Technik".
August 2014: We welcome back Martin Ibrügger to the Quantum Dynamics Division! After completing his diploma thesis in 2013, Martin rejoins the molecule team as a PhD student.
July 2014: " Single-Photon Transistor Using a Förster Resonance" by D. Tiarks et al. has been published in Physical Review Letters. More information for the general audience can be found in the "Viewpoint" article by C. Adams and in our MPQ press release.
June 2014: Manuel Uphoff and Christoph Hamsen win the kicker tournament at the annual MPQ summer barbecue.
April 2014: Carolin Hahn was awarded her PhD for her work on "Remote Entanglement of Two Single Atoms".
April 2014: " A Quantum Gate between a Flying Optical Photon and a Single Trapped Atom" by A. Reiserer et al. has been published in Nature. More information for the general audience can be found in the "News & Views" article by L. Duan, in our MPQ press release or in an article on the web page of the Max Planck Society.
April 2014: We welcome Steffen Schmidt to the Quantum Dynamics Division! Today, Steffen is starting his PhD thesis with the BEC team.
March 2014: Andreas Reiserer was awarded his PhD for his work on "A controlled phase gate between a single atom and an optical photon".
February 2014:Single-Photon Switch Based on Rydberg Blockade by S. Baur et al. has been published in Physical Review Letters. More information for the general audience can be found in our press release.
January 2014: Stephan Dürr was recognized as an Outstanding Referee by the journals of the American Physical Society (APS). Every year, this lifetime award is given to about 150 out of the roughly 60,000 active APS referees.
January 2014:"Antiresonance Phase Shift in Strongly Coupled Cavity QED" by Christian Sames et al. has been published in Physical Review Letters.
January 2014: We welcome Stephan Welte who will reinforce the Qgate Team!
January 2014: " Continuous Centrifuge Decelerator for Polar Molecules" by Sotir Chervenkov et al. has been published in Physical Review Letters. More information for the general audience can be found in our press release.
December 2013: Barbara Englert was awarded her PhD for her work on "Sisyphus Cooling of Polyatomic Molecules".
November 2013: Martin Zeppenfeld was awarded his PhD for his work on "Electric Trapping and Cooling of Polyatomic Molecules".
November 2013: " Nondestructive Detection of an Optical Photon" by Andreas Reiserer et al. has been published in Science Express. We provide here free access to abstract and reprint of the manuscript. More information for the general audience can be found in our press release.
November 2013: We welcome Mahmood Sabooni in our goup! Mahmood did his PhD on quantum memories at Lund University in Sweden and is now working as a post-doc on the Qgate-Experiment.
October 2013: We welcome all new members of our group! Bastian Hacker and Josef Schupp are both joining the Qgate-Experiment for a PhD and a Master thesis, respectively. Matthias Körber is reinforcing the Photon Pistol Experiment as a PhD candidate, and Markus Krottenmüller will do a Master thesis with the Molecules.
September 2013: For the anual group retreat the whole group went to Burg Abenberg in Middle Franconia about 25 km south-west to Nürnberg.
September 2013: " Coherent Control of Quantum Fluctuations Using Cavity Electromagnetically Induced Transparency" by James A. Souza et al. has been published in Physical Review Letters.
September 2013: At the Conference on Resonator QED in Munich, Andreas Neuzner received the prize for the best poster presentation. The poster prize was sponsored by "Applied Physics B" and included a trophy money of 300 EUR. Gladly, Andi invested parts of it in a barrel of beer that he shared with the whole group!
August 2013: We are looking forward to the "Conference on Resonator QED" that is taking place in Munich next months. Covered topics include cavity QED, circuit QED, micro-cavities, cavity optomechanics, QIP, hybrid systems as well as QED without cavities. With more than 50 talks, about 60 posters, a public evening lecture held by Serge Haroche and a panel discussion on "Research and Innovation", the conference programme is very rich. More than 140 international guests are expected! The conference is organized in the framework of the CCQED network.
July 2013: Christian Nölleke was awarded his PhD for his work on "Quantum state transfer between remote single atoms".
June 2013:"Generation of single photons from an atom-cavity system" by Martin Mücke et al. has been published in Physical Review A.
May 2013:"Ground-State Cooling of a Single Atom at the Center of an Optical Cavity" by Andreas Reiserer et al. has been published in Physical Review Letters. The work was highlighted in a "Synopsis - still life with atom" on the journal's webpage.
April 2013:"Efficient Teleportation Between Remote Single-Atom Quantum Memories" by Christian Nölleke et al. has been published in Physical Review Letters.
December 2012:"Coherent Logic Gate for Light Pulses Based on Storage in a Bose-Einstein Condensate" by Christoph Vo et al. has been published in Physical Review Letters. The work was highlighted by a Physics Synopsis: "Logic with Light and Matter" on the journal's webpage.
December 2012:Christoph Vo was awarded his PhD for his work on "Ein kohärentes Logikgatter für Lichtpulse basierend auf atomarer Vierwellenmischung in einem Bose-Einstein-Kondensat".
November 2012:"Sisyphus cooling of electrically trapped polyatomic molecules" by Martin Zeppenfeld et al. has been published in Nature, highlighted by an article in "News & Views" by John F. Barry and David DeMille. More information for the general audience can be found in our press release.
September 2012: For the anual group retreat the whole group went to the Outdoorhotel Jäger-von-Fall at the Sylvensteinsee close to Lenggries.
September 2012: At the NI-Summer-School 2012 in Munich, which was organized within the framework of the CCQED Initial Training Network, one of the best poster prices was awarded to Christian Nölleke for his contribution on "An Elementary Quantum Network of Single Atoms in Optical Cavities". On the same occasion, Christian Nölleke, Christian Sames, and Christoph Hamsen passed the exam for Certified LabVIEW Associate Developpers (CLADs).
July 2012: Martin Zeppenfeld wins one of the best poster awards at the ICAP 2012 in Palaiseau (France). His contribution on "Sisyphus cooling of polyatomic molecules" was honoured with a check of 500 € sponsored by Europhysics Letters.
June 2012: The MPQ Team "Quantensprung" won the dragon boat race on the Olympic Lake which was organized by the TUM Medical Alumni Club. With Gerhard on the drum, the team composed of students, pre- and postdocs mostly from the Quantum Dynamics Group was able to increase their performance throughout the competition and reached the finish line in the final race as first team! As winner of the dragon boat cup, Team "Quantensprung" now has the opportunity to take part in the 8th Oktoberfest-Cup in Munich.
April 2012: " An elementary quantum network of single atoms in optical cavities" by Stephan Ritter et al. has been published in Nature. More information for the general audience can be found in our press release and on the websites of Science, Scientific American and IEEE Spectrum. Spektrum der Wissenschaft and Deutschlandfunk report in German.
December 2011: In its Christmas Issue, Physical Review Letters reports on our work on the "Storage and Adiabatic Cooling of Polar Molecules in a Microstructured Trap" by B. Englert et al.
December 2011: Markus Koch was awarded his PhD for his work on "Classical and Quantum Dynamics of a Strongly Coupled Atom-Cavity System".
September 2011: The whole group went to the Outdoorhotel Jäger von Fall for the annual group retreat.
August 2011: National Instruments (NI) decorates the fast feedback on the motion of a single atom trapped inside an optical cavity, which was realized by our Cavity QED team, with the "Application of the Year 2011", the "Advanced Research Award", and the "FPGA Innovation Award". Christian Sames receives the prizes at the NI-Week in Austin (Texas). More information can be found here.
August 2011: Carolin Hahn wins a poster prize at the Scottish Universities Summer School in Physics on "Quantum Information & Coherence".
August 2011: Nature Photonics reports on our work on remote entanglement and the single-atom quantum memory in their news and views section.
July 2011: Matthias Lettner was awarded his Ph.D for his work on "Ein Bose-Einstein-Kondensat als Quantenspeicher für Zwei-Teilchen-Verschränkung".
July 2011: "Three-Photon Correlations in a Strongly Driven Atom-Cavity System" by M. Koch et al, published in Physical Review Letters.
June 2011:"Observation of squeezed light from one atom excited with two photons" by A. Ourjoumtsev et al has been published in Nature. See also the News & Views article in Nature. More information for the general audience can be found in our press release and on pro-physik.de.
June 2011: Martin Mücke was awarded his Ph.D for his work on "Elektromagnetisch induzierte Transparenz mit einem einzelnen Atom".
June 2011: Christian Sommer was awarded his Ph.D for his work on "Construction and Operation of a Cryogenic Source for Cold Polar Molecules".
May 2011: Our paper on "Remote Entanglement between a Single Atom and a Bose-Einstein Condensate" was selected for a Synopsis in Physics. More information for the general audience can also be found in our press release.
May 2011:"A single-atom quantum memory" by Holger Specht et al. has been published in Nature. The QGate team has realized the most fundamental implementation of an optical quantum memory: Arbitrary polarization states of light can be mapped into and out of a single atom trapped inside an optical cavity, achieving an average fidelity of 93% and storage times of more than 180µs. More information for the general audience can be found in our press release.
February 2011: In a joint effort, the BEC and Pistol teams have managed to create remote entanglement between a single atom and a Bose-Einstein condensate, situated in two independent labs separated by 13m. The fidelity with a maximally entangled Bell state is 95% and the matter-matter entanglement survives for 100µs. Details can be found in our paper.
Dezember 2010: Holger Specht was awarded his Ph.D for his work on "Einzelatom-Quantenspeicher für Polarisations-Qubits".
November 2010: Alexander Kubanek was awarded his Ph.D for his work on "Two-photon gateway and feedback control of a single atom in a cavity".
October 2010: "Localization of cold atoms in state-dependent optical lattices via a Rabi pulse" by Horstmann et al, published in Physical Review Letters.
September 2010: The whole group went to the Berggasthof Rechtegg for the annual group retreat.
July 2010:"Velocity-selected molecular pulses produced by an electric guide" by Christian Sommer et al, published in Phys. Rev. A.
July 2010: Jörg Bochmann was awarded his Ph.D for his work on "Coherent Dynamics and State Detection of Single Atoms in a cavity".
June 2010: The paper "Electromagnetically induced transparency with single atoms in a cavity" by M. Mücke et al. has now been published in the print version of Nature. Read the related News & Views article "Single-atom transistor for light" by Scott Parkins in the same issue. He says: "A subtle quantum-interference effect has been used to control the optical response of a single atom confined in a cavity. It could offer a means to develop logic gates for an optical quantum computer."
May 2010:"Lossless State Detection of Single Neutral Atoms " by J. Bochmann et al, published in Physical Review Letters.
May 2010: "Electromagnetically induced transparency with single atoms in a cavity" by M. Mücke et al, published online in Nature. Read the press release. Independent articles appeared in the Frankfurter Allgemeine Zeitung (FAZ) (in German), on IEEE spectrum and physicsworld.com (both in English), on spektrumdirekt.de and pro-physik.de (both in German).
April 2010: High school students visited our labs within the "Nanotag der Bayerischen Akademie der Wissenschaften".
April 2010: " Calculating the fine structure of a Fabry-Perot resonator using spheroidal wave functions" by Martin Zeppenfeld et al, published in Optics Express.
March 2010: Christoph Guhl is awarded his diploma in Physics.
March 2010: MPQ made up of a single atom! The QGate team can position their single atom with micrometer precision inside the cavity. Adding storage times of 70 seconds, fun and creativity, the MPQ logo can be "written" by recording the fluorescence of a single atom. Vertical axis: position of the atom. Horizontal axis: time. (click to enlarge)
February 2010: We welcome Andreas Reiserer in our team. Andreas did his diploma work in the group of Prof. Tobias Brixner (Universität Würzburg) and is now starting his PhD in our group.
Dezember 2009: Michael Motsch was awarded his Ph.D for his work on "Cold Guided Beams of Polar Molecules".
Dezember 2009: "Photon-by-photon feedback control of a single-atom trajectory" by Alexander Kubanek et al, published in Nature.Real-time feedback — the use of continuously updated information about a system to control its evolution — has been demonstrated by Alexander Kubanek et al in Nature to control the motion of a single atom in an optical trap. In an impressive extension of this technique to the edge of the quantum realm, the detection of just a few photons is sufficient to keep the atom under control.
November 2009: Dominik Bauer was awarded his Ph.D for his work on "Optical Control of a Magnetic Feshbach Resonance".
August 2009: We welcome Carolin Hahn in our team. Carolin did her diploma work in the group of Prof. Dieckmann (LMU Munich) and is now starting her PhD in our group.
July 2009: "Solutions to Maxwell's Equations using Spheroidal Coordinates" by Martin Zeppenfeld published in New Journal of Physics.
June 2009: "Combination of a magnetic Feshbach resonance and an optical bound-to-bound transition" by Dominik Bauer et al. published in Physical Review A. Selected for the July 2009 issue of Virtual Journal of Atomic Quantum Fluids.
May 2009: "Continuous guided beams of slow and internally cold polar molecules" by C. Sommer et al, published in Faraday Discussions.
May 2009: "Collisional effects in the formation of cold guided beams of polar molecules" by Michael Motsch et al. published in New Journal of Physics.
May 2009: "Control of a magnetic Feshbach resonance with laser light" by Dominik Bauer et al. published in Nature Physics.
April 2009: Eden Figueroa receives Alexander von Humboldt Foundation research fellowship.
February 2009: "Lieb-Liniger model of a dissipation-induced Tonks-Girardeau gas" by Stephan Dürr et al. published in Physical Review A.
January 2009: "Electrostatic Extraction of Cold Molecules from a Cryogenic Reservoir" by Laurens van Buuren et al. published in Physical Review Letters.
January 2009: "Dissipation-induced hard-core boson gas in an optical lattice" by J. J. García-Ripoll et al. published in New Journal of Physics.
January 2009: "Photon-Photon Entanglement with a Single Trapped Atom" by Bernhard Weber et al. published in Physical Review Letters. Selected for the February 2009 issue of Virtual Journal of Quantum Information.
November 2008: Successful habilitation lecture by Pepijn Pinkse.
November 2008: " Two-Photon Gateway in One-Atom Cavity Quantum Electrodynamics" by Alexander Kubanek et al. published in Physical Review Letters.
November 2008: Bernhard Weber awarded his Ph.D for his work on "Distribution of Quantum Information between an Atom and Two Photons".
November 2008: "Fast Excitation and Photon Emission of a Single-Atom-Cavity System" by Jörg Bochmann et al. published in Physical Review Letters.
August 2008: Ingrid Schuster awarded her Ph.D for her work on " Nonlinear spectroscopy of a single-atom-cavity system".
June 2008: "Strong Dissipation Inhibits Losses and Induces Correlations in Cold Molecular Gases" by Niels Syassen et al. published in Science.
April 2008: "Nonlinear spectroscopy of photons bound to one atom" by Ingrid Schuster et al. published in Nature Physics.
January 2008: Niels Syassen awarded his Ph.D for his work on "Interacting Feshbach Molecules".