Tóth, G.; Wieczorek, W.; Krischek, R.; Kiesel, N.; Michelberger, P.; Weinfurter, H.: Practical methods for witnessing genuine multi-qubit entanglement in the vicinity of symmetric states. New Journal of Physics 11, 083002 (2009)

Antognini, A.; Schuhmann, K.; Amaro, F. D.; Biraben, F.; Dax, A.; Giesen, A.; Graf, T.; Hänsch, T. W.; Indelicato, P.; Julien, L. et al.; Kao, C.-Y.; Knowles, P. E.; Kottmann, F.; Le Bigot, E.; Liu, Y.-W.; Ludhova, L.; Moschüring, N.; Mulhauser, F.; Nebel, T.; Nez, F.; Rabinowitz, P.; Schwob, C.; Taqqu, D.; Pohl, R.: Thin-Disk Yb:YAG Oscillator-Amplifier Laser, ASE, and Effective Yb:YAG Lifetime. IEEE Journal of Quantum Electronics 45 (8), pp. 983 - 995 (2009)

Arcizet, O.; Rivière, R.; Schließer, A.; Anetsberger, G.; Kippenberg, T. J.: Cryogenic properties of optomechanical silica microcavities. Physical Review A 80 (2), 021803 (2009)

Batteiger, V.; Knünz, S.; Herrmann, M.; Saathoff, G.; Schüssler, H. A.; Bernhardt, B.; Wilken, T.; Holzwarth, R.; Hänsch, T. W.; Udem, T.: Precision spectroscopy of the 3s-3p fine-structure doublet in Mg⁺. Physical Review A 80 (2), 022503 (2009)

Böhi, P.; Riedel, M. F.; Hoffrogge, J.; Reichel, J.; Hänsch, T. W.; Treutlein, P.: Coherent manipulation of Bose-Einstein condensates with state-dependent microwave potentials on an atom chip. Nature Physics 5 (8), pp. 592 - 597 (2009)

Grosche, G.; Terra, O.; Predehl, K.; Holzwarth, R.; Lipphardt, B.; Vogt, F.; Sterr, U.; Schnatz, H.: Optical frequency transfer via 146 km fiber link with 10^-19 relative accuracy. Optics Letters 34 (15), pp. 2270 - 2272 (2009)

Korzinin, E. Y.; Ivanov, V. G.; Karshenboim, S. G.: Uehling correction in muonic atoms to all orders of Z alpha. Physical Review A 80 (2), 022510 (2009)

Novotny, C.; Huber, G.; Karpuk, S.; Reinhardt, S.; Bing, D.; Schwalm, D.; Wolf, A.; Bernhardt, B.; Hänsch, T. W.; Holzwarth, R. et al.; Saathoff, G.; Udem, T.; Nörtershäuser, W.; Ewald, G.; Geppert, C.; Kühl, T.; Stöhlker, T.; Gwinner, G.: Sub-Doppler laser spectroscopy on relativistic beams and tests of Lorentz invariance. Physical Review A 80 (2), 022107 (2009)

Steinmetz, T.; Wilken, T.; Araujo-Hauck, C.; Holzwarth, R.; Hänsch, T. W.; Udem, T.: Fabry-Perot filter cavities for wide-spaced frequency combs with large spectral bandwidth. Applied Physics B - Lasers and Optics 96 (2-3), pp. 251 - 256 (2009)

Kippenberg, T. J.; Tchebotareva, A. L.; Kalkman, J.; Polman, A.; Vahala, K. J.: Purcell-Factor-Enhanced Scattering from Si Nanocrystals in an Optical Microcavity. Physical Review Letters 103 (2), 027406 (2009)

Wieczorek, W.; Krischek, R.; Kiesel, N.; Michelberger, P.; Tóth, G.; Weinfurter, H.: Experimental Entanglement of a Six-Photon Symmetric Dicke State. Physical Review Letters 103 (2), 020504 (2009)

Pask, T.; Barna, D.; Dax, A.; Hayano, R. S.; Hori, M.; Horváth, D.; Friedreich, S.; Juhasz, B.; Massiczek, O.; Ono, N. et al.; Sótér, A.; Widmann, E.: Antiproton magnetic moment determined from the HFS of pHe⁺. Physics Letters B 678 (1), pp. 55 - 59 (2009)

Scheid, M.; Kolbe, D.; Markert, F.; Hänsch, T. W.; Walz, J.: Continuous-wave Lyman-alpha generation with solid-state lasers. Optics Express 17 (14), pp. 11274 - 11280 (2009)

Peev, M.; Pacher, C.; Alleaume, R.; Barreiro, C.; Bouda, J.; Boxleitner, W.; Debuisschert, T.; Diamanti, E.; Dianati, M.; Dynes, J. F. et al.; Fasel, S.; Fossier, S.; Furst, M.; Gautier, J. D.; Gay, O.; Gisin, N.; Grangier, P.; Happe, A.; Hasani, Y.; Hentschel, M.; Hubel, H.; Humer, G.; Langer, T.; Legre, M.; Lieger, R.; Lodewyck, J.; Lorunser, T.; Lutkenhaus, N.; Marhold, A.; Matyus, T.; Maurhart, O.; Monat, L.; Nauerth, S.; Page, J. B.; Poppe, A.; Querasser, E.; Ribordy, G.; Robyr, S.; Salvail, L.; Sharpe, A. W.; Shields, A. J.; Stucki, D.; Suda, M.; Tamas, C.; Themel, T.; Thew, R. T.; Thoma, Y.; Treiber, A.; Trinkler, P.; Tualle-Brouri, R.; Vannel, F.; Walenta, N.; Weier, H.; Weinfurter, H.; Wimberger, I.; Yuan, Z. L.; Zbinden, H.; Zeilinger, A.: The SECOQC quantum key distribution network in Vienna. New Journal of Physics 11, 075001 (2009)

Ivanov, V. G.; Korzinin, E. Y.; Karshenboim, S. G.: Second-order corrections to the wave function at the origin in muonic hydrogen and pionium. Physical Review D 80 (2), 027702 (2009)

Schließer, A.; Arcizet, O.; Rivière, R.; Anetsberger, G.; Kippenberg, T. J.: Resolved-sideband cooling and position measurement of a micromechanical oscillator close to the Heisenberg uncertainty limit. Nature Physics 5 (7), pp. 509 - 514 (2009)

Laskowski, W.; Wiesniak, M.; Zukowski, M.; Bourennane, M.; Weinfurter, H.: Interference contrast in multisource few-photon optics. Journal of Physics B - Atomic Molecular and Optical Physics 42 (11), 114004 (2009)

Nauerth, S.; Fürst, M.; Schmitt-Manderbach, T.; Weier, H.; Weinfurter, H.: Information leakage via side channels in freespace BB84 quantum cryptography. New Journal of Physics 11, 065001 (2009)

Karshenboim, S. G.: Adjusted recommended values of the fundamental physical constants. European Physical Journal - Special Topics 172, pp. 385 - 397 (2009)

Thoumany, P.; Hänsch, T. W.; Stania, G.; Urbonas, L.; Becker, T.: Optical spectroscopy of rubidium Rydberg atoms with a 297 nm frequency-doubled dye laser. Optics Letters 34 (11), pp. 1621 - 1623 (2009)