Widera, A.; Mandel, O.; Greiner, M.; Kreim, S.; Hänsch, T. W.; Bloch, I.: Entanglement interferometry for precision measurement of atomic scattering properties. Physical Review Letters 92 (16), 160406 (2004)

Ariunbold, G. O.; Agarwal, G. S.; Wang, Z.; Scully, M. O.; Walther, H.: Nanosecond dynamics of single-molecule fluorescence resonance energy transfer. Journal of Physical Chemistry A 108 (13), pp. 2402 - 2404 (2004)

Centurion, M.; Pu, Y.; Liu, Z.; Psaltis, D.; Hänsch, T. W.: Holographic recording of laser-induced plasma. Optics Letters 29 (7), pp. 772 - 774 (2004)

Dombi, P.; Apolonski, A.; Lemell, C.; Paulus, G. G.; Kakehata, M.; Holzwarth, R.; Udem, T.; Torizuka, K.; Burgdorfer, J.; Hänsch, T. W. et al.; Krausz, F.: Direct measurement and analysis of the carrier-envelope phase in light pulses approaching the single-cycle regime. New Journal of Physics 6, 39 (2004)

Dombi, P.; Apolonski, A.; Lemell, C.; Paulus, G. G.; Kakehata, M.; Holzwarth, R.; Udem, T.; Torizuka, K.; Burgdorfer, J.; Hänsch, T. W. et al.; Krausz, F.: Direct measurement and analysis of the carrier-envelope phase in light pulses approaching the single-cycle regime. New Journal of Physics 6, 39 (2004)

Lindner, F.; Paulus, G. G.; Walther, H.; Baltuska, A.; Goulielmakis, E.; Lezius, M.; Krausz, F.: Gouy phase shift for few-cycle laser pulses. Physical Review Letters 92 (11), 113001 (2004)

Lindner, F.; Paulus, G. G.; Walther, H.; Baltuska, A.; Goulielmakis, E.; Lezius, M.; Krausz, F.: Gouy phase shift for few-cycle laser pulses. Physical Review Letters 92 (11), 113001 (2004)

Bourennane, M.; Eibl, M.; Gaertner, S.; Kurtsiefer, C.; Cabello, A.; Weinfurter, H.: Decoherence-free quantum information processing with four-photon entangled states. Physical Review Letters 92 (10), 107901 (2004)

Bourennane, M.; Eibl, M.; Gaertner, S.; Kurtsiefer, C.; Weinfurter, H.; Cabello, A.; Gühne, O.; Hyllus, P.; Bruß, D.; Lewenstein, M. et al.; Sanpera, A.: Four photon polarization entanglement tests and applications. International Journal of Quantum Information 2 (1), pp. 133 - 147 (2004)

Walz, J.; Hänsch, T. W.: A proposal to measure antimatter gravity using ultracold antihydrogen atoms. General Relativity and Gravitation 36 (3), pp. 561 - 570 (2004)

Bourennane, M.; Eibl, M.; Kurtsiefer, C.; Gaertner, S.; Weinfurter, H.; Gühne, O.; Hyllus, P.; Bruss, D.; Lewenstein, M.; Sanpera, A.: Experimental detection of multipartite entanglement using witness operators. Physical Review Letters 92 (8), 087902 (2004)

Apolonski, A.; Dombi, P.; Paulus, G. G.; Kakehata, M.; Holzwarth, R.; Udem, T.; Lemell, C.; Torizuka, K.; Burgdorfer, J.; Hänsch, T. W. et al.; Krausz, F.: Observation of light-phase-sensitive photoemission from a metal. Physical Review Letters 92 (7), 073902 (2004)

Apolonski, A.; Dombi, P.; Paulus, G. G.; Kakehata, M.; Holzwarth, R.; Udem, T.; Lemell, C.; Torizuka, K.; Burgdorfer, J.; Hänsch, T. W. et al.; Krausz, F.: Observation of light-phase-sensitive photoemission from a metal. Physical Review Letters 92 (7), 073902 (2004)

Apolonski, A.; Dombi, P.; Paulus, G. G.; Kakehata, M.; Holzwarth, R.; Udem, T.; Lemell, C.; Torizuka, K.; Burgdorfer, J.; Hänsch, T. W. et al.; Krausz, F.: Observation of light-phase-sensitive photoemission from a metal. Physical Review Letters 92 (7), 073902 (2004)

Eibl, M.; Kiesel, N.; Bourennane, M.; Kurtsiefer, C.; Weinfurter, H.: Experimental realization of a three-qubit entangled W state. Physical Review Letters 92 (7), 077901 (2004)

Zimmermann, M.; Gohle, C.; Holzwarth, R.; Udem, T.; Hänsch, T. W.: Optical clockwork with an offset-free difference-frequency comb: accuracy of sum- and difference-frequency generation. Optics Letters 29 (3), pp. 310 - 312 (2004)

Trojek, P.; Schmid, C.; Bourennane, M.; Weinfurter, H.; Kurtsiefer, C.: Compact source of polarization-entangled photon pairs. Optics Express 12 (2), pp. 276 - 281 (2004)

Kolachevsky, N.; Fischer, M.; Karshenboim, S. G.; Hänsch, T. W.: High-precision optical measurement of the 2S hyperfine interval in atomic hydrogen. Physical Review Letters 92 (3), 033003 (2004)

Klembovsky, M. P.; Gorodetsky, M. L.; Becker, T.; Walther, H.: Quantum bit detector. JETP Letters 79 (9), pp. 441 - 444 (2004)

Tan, J. N.; Bowden, N. S.; Gabrielse, G.; Oxley, P.; Speck, A.; Storry, C. H.; Wessels, M.; Grzonka, D.; Oelert, W.; Schepers, G. et al.; Sefzick, T.; Walz, J.; Pittner, H.; Hänsch, T. W.; Hessels, E. A.: Observations of cold antihydrogen. Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms 214, pp. 22 - 30 (2004)