Publications | Quantum Optics Group

2012	Bose-Einstein condensation of photons J. Klaers and M. Weitz in The physics of unusual superfluids, K. H. Bennemann and J. B. Ketterson (eds.) (submitted for publication)
	Thermalization of a two-dimensional photon gas in a polymeric host matrix J. Schmitt, T. Damm, F. Vewinger, M. Weitz, and J. Klärs (submitted for publication), arXiv:1201.4658v1
	Coherent negative mobility of ultracold atoms in an optical lattice T. Salger, S. Kling, S. Denisov, A. V. Ponomarev, P. Haenggi, and M. Weitz (submitted for publication), arXiv:1202.5174
	Statistical physics of Bose-Einstein-condensed light in a dye microcavity J. Klaers, J. Schmitt, T. Damm, F. Vewinger, and M. Weitz Phys. Rev. Lett. 108, 160403 (2012), arXiv:1201.0444
	Laser cooling of dense rubidium-noble gas mixtures via collisional redistribution of radiation U. Vogl, A. Sass, and M. Weitz Proc. SPIE 8275, 827508 (2012)
	Doppler-free frequency modulation spectroscopy of atomic erbium in a hollow cathode discharge cell H. Brammer, J. Ulitzsch, R. Bourouis, and M. Weitz Appl. Phys. B 106, 405 /2012), arXiv:1109.0434
2011	Klein-Tunneling of a quasirelativistic Bose-Einstein condensate in an optical lattice T. Salger, C. Grossert, S. Kling, and M. Weitz Phys. Rev. Lett. 107, 240401 (2011), arXiv:1108.4447
	Bose–Einstein condensation of paraxial light J. Klaers, J. Schmitt, T. Damm, F. Vewinger, and M. Weitz Appl. Phys. B 105, 17 (2011), arXiv:1109.4023
	Collisional Redistribution Laser Cooling of a High Pressure Atomic Gas U. Vogl, A. Sass, S. Hasselmann, and M. Weitz J. Mod. Opt. 58, 1300 (2011), arXiv:1102.3740
	Effective Dirac dynamics of ultracold atoms in bichromatic optical lattices D. Witthaut, T. Salger, S. Kling, C. Grossert, and M. Weitz Phys. Rev A 84, 033601 (2011), arXiv:1102.4047
	Production of sodium Bose-Einstein condensates in an optical dimple trap D. Jacob, E. Mimoun, L. De Sarlo, M. Weitz, J. Dalibard, and F. Gerbier New J. Phys. 13, 065022 (2011), arXiv:1104.1009
	Light confinement by a cylindrical metallic waveguide in a dense buffer-gas environment U. Vogl, A. Sass, F. Vewinger, M. Weitz, Solovev, A., Y. Mei, and O. Schmidt Phys. Rev. A 83, 053403 (2011), arXiv:1012.1388
	Bose-Einstein-Kondensat aus Licht J. Klaers, J. Schmitt, F. Vewinger, and M. Weitz Phys. Unserer Zeit 42, 58 (2011)
	Laser cooling of a potassium-argon gas mixture using collisional redistribution of radiation A. Saß, U. Vogl, and M. Weitz Appl. Phys. B 102, 503 (2011), arXiv:1102.0414
	Bose-Einstein condensation of photons in a 'white-wall' photon box J. Klaers, J. Schmitt, F. Vewinger, and M. Weitz in Journal of Physics: Conference Series, (ICAP 2010 Proceedings), 264, 012005 (2011)
2010	Vom Licht gekühlt U. Vogl and M. Weitz Forschung 4, 23 (2010)
	Bose-Einstein condensation of photons in an optical microcavity J. Klaers, J. Schmitt, F. Vewinger, and M. Weitz Nature 468, 545 (2010), arXiv:1007.4088, Nature News & Views
	Atomic Bloch-Zener oscillations and Stückelberg interferometry in optical lattices S. Kling, T. Salger, C. Grossert, and M. Weitz Phys. Rev. Lett. 105, 215301 (2010), arXiv:1006.2358
	Thermalization of a two-dimensional photonic gas in a ‘white wall’ photon box J. Klaers, F. Vewinger, and M. Weitz Nature Phys. 6, 512 (2010), arXiv:1004.2956
	Thermalization of coupled atom-light states in the presence of optical collisions I.Yu. Chestnov, A.P. Alodjants, S.M. Arakelian, J. Nipper, U. Vogl, F. Vewinger, and M. Weitz Phys. Rev. A 81, 053843 (2010), arXiv:0812.3997
	Quantenratsche für ultrakalte Atome T. Salger and M. Weitz Phys. Unserer Zeit 41, 110 (2010)
	Nondispersive optics using storage of light L. Karpa and M. Weitz Phys. Rev. A 81, 041802(R) (2010), arXiv:1003.3389
	Atomic Bose-Einstein condensates in optical lattices with variable spatial symmetry S. Kling, T. Salger, C. Geckeler, G. Ritt, J. Plumhof, and M. Weitz in Nonlinearities in Periodic Structures and Metamaterials C. Denz, S. Flach, and Y. Kivshar (editors) (Springer, Heidelberg, 2010), p. 195
2009	Atom-based Test of the Equivalence Principle S. Fray and M. Weitz Space Sci. Rev. 148, 225 (2009)
	Directed Transport of Atoms in a Hamiltonian Quantum Ratchet T. Salger, S. Kling, T. Hecking, C. Geckeler, L. Morales-Molina, and M. Weitz Science 326, 1241 (2009), arXiv:0912.0102
	Laser Cooling by Collisional Redistribution of Radiation U. Vogl and M. Weitz Nature 461, 70 (2009), arXiv:0906.2904, News and Views
	Frequency matching in light storage spectroscopy of atomic Raman transitions L. Karpa, G. Nikoghosyan, F. Vewinger, M. Fleischhauer, and M. Weitz Phys. Rev. Lett. 103, 093601 (2009), arXiv: 0905.4649
	Bloch oscillations of atoms in an optical multiphoton potential T. Salger, G. Ritt, C. Geckeler, S. Kling, and M. Weitz Phys. Rev. A 79, 011605(R) (2009), arXiv:0711.1772
2008	Resonance beating of light stored using atomic spinor polaritons L. Karpa, F. Vewinger, and M. Weitz Phys. Rev. Lett. 101, 170406 (2008)
	Spectroscopy of atomic rubidium at 500 bar buffer gas pressure: approaching the thermal equilibrium of dressed atom-light states U. Vogl and M. Weitz Phys. Rev. A 78, 011401 (2008)
	Slow light in inhomogeneous and transverse fields L. Karpa and M. Weitz New J. Phys. 10, 045015 (2008)
	Interference of an array of atom lasers G. Cennini, C. Geckeler, G. Ritt, and M. Weitz Phys. Rev. A 77, 013613 (2008)
2007	Atomic Landau-Zener tunneling in Fourier-synthesized optical lattices T. Salger, C. Geckeler, S. Kling, and M. Weitz Phys. Rev. Lett. 99, 190405 (2007); Erratum: Phys. Rev. Lett. 106, 129903 (2011)
	Resonant Feshbach scattering of fermions in one-dimensional optical lattices M. Grupp, R. Walser, W.P. Schleich, A. Muramatsu, and M. Weitz J. Phys. B: At. Mol. Opt. Phys. 40, 2703 (2007)
2006	Fourier Synthesis of Conservative Atom Potentials G. Ritt, C. Geckeler, T. Salger, G. Cennini, and M. Weitz Phys. Rev. A 74, 063622 (2006)
	Two-Dimensional Bose-Einstein Condensates in a CO₂-laser Optical Lattice G. Cennini, C. Geckeler, G. Ritt, T. Salger, and M. Weitz Fortschr. Physik 54, 719 (2006)
	A Stern-Gerlach Experiment for Slow Light L. Karpa and M. Weitz Nature Physics 2, 332 (2006)
2005	Interference of a Variable Number of Coherent Atomic Sources G. Cennini, C. Geckeler, G. Ritt, and M. Weitz Phys. Rev. A 72, 051601(R) (2005)
	Dark Resonances with Variable Doppler Sensitivity C. Bolkart, D. Rostohar, and M. Weitz Phys. Rev. A 71, 043816 (2005)
	Äquivalenzprinzip gilt auch für Quantenobjekte S. Fray, T. W. Hänsch, and M. Weitz Phys. Unserer Zeit 36, 60 (2005)
	Coherent and BCS-Type Quantum States of Dark Polaritons C. Bolkart, R. Weiss, D. Rostohar, and M. Weitz Las. Phys. 15, 3 (2005)
2004	Atomic Interferometer with Amplitude Gratings of Light and its Applications to Atom Based Tests of the Equivalence Principle S. Fray, C. Alvarez Diez, T. W. Hänsch, and M. Weitz Phys. Rev. Lett. 93, 240404 (2004)
	Optical Multiphoton Lattices M. Weitz, G. Cennini, G. Ritt, and C. Geckeler Phys. Rev. A 70, 043414 (2004); and Virtual Journal of Ultrafast Science, Volume 3, November 2004
	Laser Frequency Offset Locking using a Side of Filter Technique G. Ritt, G. Cennini, C. Geckeler, and M. Weitz Appl. Phys. B 79, 363 (2004)
	All-Optical Realization of an Atom Laser Based on Field-Insensitive Bose-Einstein Condensates G. Cennini, G. Ritt, C. Geckeler, and M. Weitz in Laser Spectroscopy XVI, P. Hannaford, A. Sidorov, H. Bachor, and K. Baldwin (eds.) (World Scientific, Singapore, 2004), p. 187
2003	All-Optical Realization of an Atom Laser G. Cennini, G. Ritt, C. Geckeler, and M. Weitz Phys. Rev. Lett. 91, 240408 (2003)
	Bose–Einstein Condensation in a CO2-Laser Optical Dipole Trap G. Cennini, G. Ritt, C. Geckeler, and M. Weitz Appl. Phys. B 77, 773 (2003)
	Towards Quantum Logic with Cold Atoms in a CO2-Laser Optical Lattice G. Cennini, G. Ritt, C. Geckeler, R. Scheunemann, and M. Weitz in Quantum Information Technology, G. Leuchs and T. Beth (eds.) (Wiley-VCH, Weinheim, 2003)
2002	Hydrogen Atom Interferometer with Short Light Pulses T. Heupel, M. Mei, M. Niering, B. Gross, M. Weitz, T. W. Hänsch, and Ch. J. Bordé Europhys. Lett. 57, 158 (2002)
	Rydberg Constant T. W. Hänsch and M. Weitz in McGraw-Hill Encyclopedia of Science & Technology (McGraw-Hill, New York, 2002)
	Multiple-Beam Atom Interferometry: An Overview M. Mei, S. Nic Chormaic, S. Fray, and M. Weitz in Laser Physics at the Limit, H. Figger, D. Meschede, and C. Zimmermann (eds.) (Springer-Verlag, Berlin, 2002)
2001	Superresolution of Pulsed Multiphoton Raman Transitions F. S. Cataliotti, R. Scheunemann, T. W. Hänsch, and M. Weitz Phys. Rev. Lett. 87, 113601 (2001)
	Controlled Decoherence in Multiple Beam Ramsey Interference M. Mei and M. Weitz Phys. Rev. Lett. 86, 559 (2001)
	Multiple-Beam Ramsey Interference and Quantum Decoherence M. Mei and M. Weitz Appl. Phys. B 72, 91 (2001)
	High Resolution Spectroscopy of Atomic Hydrogen M. Fischer, M. Niering, R. Holzwarth, J. Reichert, Th. Udem , M. Weitz, and T. W. Hänsch in Spectral Line Shapes 11, J. Seidel (ed.) (AIP, Melville, 2001), p. 249
	Measuring the Frequency of Light with Mode-Locked Lasers T. Udem, J. Reichert, R. Holzwarth, M. Niering, M. Weitz, and T. W. Hänsch in Frequency Measurement and Control: Advanced Techniques and Future Trends, A. N. Luiten (ed.) (Springer-Verlag, Berlin, 2001), p. 275
2000	Tensorial Phases in Multiple Beam Atomic Interference M. Mei, T. W. Hänsch, and M. Weitz Phys. Rev. A 61, 020101 (R) (2000)
	Frequency Independent Laser Cooling Based on Interferometry M. Weitz and T. W. Hänsch Europhys. Lett. 49, 302 (2000)
	Phase Coherent Vacuum-Ultraviolet to Radio Frequency Comparison with a Mode-Locked Laser J. Reichert, M. Niering, R. Holzwarth, M. Weitz, T. Udem, and T. W. Hänsch Phys. Rev. Lett. 84, 3232 (2000)
	Measurement of the Hydrogen 1S-2S Transition Frequency by Phase Coherent Comparison with a Microwave Cesium Fountain Clock M. Niering, R. Holzwarth, J. Reichert, P. Pokasov, T. Udem, M. Weitz, T. W. Hänsch, P. Lemonde, G. Santarelli, M. Abgrall, P. Laurent, C. Salomon, and A. Clairon Phys. Rev. Lett. 84, 5496 (2000)
	Resolving and Addressing Atoms in Individual Sites of a CO2-Laser Optical Lattice R. Scheunemann, F. S. Cataliotti, T. W. Hänsch, and M. Weitz Phys. Rev. A 62, 051801 (R) (2000)
	An Optical Lattice with Single Lattice Site Optical Control for Quantum Engineering R. Scheunemann, F. S. Cataliotti, T. W. Hänsch, and M. Weitz J. Opt. B. 2, 645 (2000)
	Towards Controlling Larger Quantum Systems: From Laser Cooling to Quantum Computing M. Weitz IEEE J. Quantum Electron. QE-36, 1346 (2000)
	Addressing Single Sites of a CO2-Laser Optical Lattice F. S. Cataliotti, R. Scheunemann, T. W. Hänsch, and M. Weitz in Bose-Einstein Condensates and Atom Lasers, S. Martellucci, A. N. Chester, A. Aspect, and M. Inguscio (eds.) (Kluwer Academic/ Plenum Publishers, New York, 2000), p. 275
1999	High Resolution Spectroscopy of the 1S-2S Transition in Atomic Hydrogen A. Huber, B. Gross, M. Weitz, and T. W. Hänsch Phys. Rev. A 59, 1844 (1999)
	Measuring Optical Frequencies with Femtosecond Light Pulses R. Holzwarth, J. Reichert, M. Niering, M. Weitz, T. Udem, and T. W. Hänsch in Laser Spectroscopy XIV, R. Blatt, J. Eschner, D. Leibfried, and F. Schmidt-Kaler (eds.) (World Scientific, Singapore, 1999), p. 347
1998	CO2-Laser Optical Lattice with Cold Rubidium Atoms S. Friebel, C. D'Andrea, J. Walz, M. Weitz, and T. W. Hänsch Phys. Rev. A 57, R20 (1998)
	Two-Photon Optical Ramsey Spectroscopy of the 1S-2S Transition in Atomic Hydrogen A. Huber, B. Gross, M. Weitz, and T. W. Hänsch Phys. Rev. A 58, R2631 (1998)
	Optical Ramsey Spectroscopy of Atomic Hydrogen B. Gross, A. Huber, M. Niering, M. Weitz, and T. W. Hänsch Europhys. Lett. 44, 186 (1998)
	Laser Cooling in a CO2-Laser Optical Lattice S. Friebel, R. Scheunemann, J. Walz, T. W. Hänsch, and M. Weitz Appl. Phys. B 67, 699 (1998)
	Hydrogen-Deuterium 1S-2S Isotope Shift and the Structure of the Deuteron A. Huber, T. Udem, B. Gross, J. Reichert, M. Kourogi, K. Pachucki, M. Weitz, and T. W. Hänsch Phys. Rev. Lett. 80, 468 (1998)
	Phase-Coherent Frequency Measurement of the Hydrogen 1S-2S Transition and its Isotope Shift T. Udem, A. Huber, J. Reichert, B. Gross, M. Prevedelli, M. Weitz, T. W. Hänsch, and M. Kourogi in Laser Spectroscopy XIII, Z. Wang, Z. Zhang, and Y. Wang (eds.) (World Scientific, Singapore, 1998), p. 87
	Multiple Beam Atom Interferometer M. Weitz, T. Heupel, and T. W. Hänsch in Laser Spectroscopy XIII, Z. Wang, Z. Zhang, and Y. Wang (eds.) (World Scientific, Singapore, 1998), p. 248
1997	Collapse and Revival of the Fringe Pattern in a Multiple Beam Atom Interferometer M. Weitz, T. Heupel, and T. W. Hänsch Europhys. Lett. 37, 517 (1997)
	Cavity Enhanced CW Stimulated Brillouin Scattering in a Fused Silica Plate T. Heupel, M. Weitz, S. Chu, and T. W. Hänsch Opt. Commun. 140, 281 (1997)
	Phase-Coherent Measurement of the Hydrogen 1S-2S Transition Frequency with an Optical Frequency Interval Divider Chain T. Udem, A. Huber, B. Gross, J. Reichert, M. Prevedelli, M. Weitz, and T. W. Hänsch Phys. Rev. Lett. 79, 2646 (1997)
	Phase-Coherent Measurement of the Hydrogen 1S-2S Frequency with an Optical Frequency Interval Divider Chain T. Udem, A. Huber, M. Weitz, D. Leibfried, W. König, M. Prevedelli, S. Dimitriev, H. Geiger, and T. W. Hänsch IEEE Trans. Instr. Meas. IM-46, 166 (1997)
	Phase-Coherent Light Pulses for Atom Optics and Interferometry T. Heupel, M. Weitz, and T. W. Hänsch Opt. Lett. 22, 1719 (1997)
	Multiple-Beam Atomic Interferometer: Theory and Experiment M. Weitz, T. Heupel, and T. W. Hänsch Appl. Phys. B 65, 713 (1997)
	Vielstrahl-Atominterferometer M. Weitz, T. Heupel, and T. W. Hänsch Phys. Bl. 53, 883 (1997)
1996	Theory of the Energy Levels and Precise Two-Photon Spectroscopy of Atomic Hydrogen and Deuterium K. Pachucki, D. Leibfried, M. Weitz, A. Huber, W. König, and T. W. Hänsch J. Phys. B 29, 177 (1996)
	Multiple Beam Atomic Interferometer M. Weitz, T. Heupel, and T. W. Hänsch Phys. Rev. Lett. 77, 2356 (1996)
	Precision Spectroscopy in Atomic Hydrogen D. Leibfried, H. Geiger, A. Huber, W. König, K. Pachucki, M. Prevedelli, T. Udem, J. Walz, M. Weitz, C. Zimmermann, and T. W. Hänsch in Laser Spectroscopy XII, M. Inguscio, M. Allegrini, and A. Sasso (eds.) (World Scientific, Singapore, 1996), p. 83
	Frequency Independent Laser Cooling Based on Interferometry M. Weitz and T. W. Hänsch in Laser Spectroscopy XII, M. Inguscio, M. Allegrini, and A. Sasso (eds.) (World Scientific, Singapore, 1996), p. 132
	Precision Measurements in Atomic Hydrogen M. Weitz, D. Leibfried, A. Huber, H. Geiger, W. König, M. Prevedelli, T. Udem, T. Heupel, K. Pachucki, and T. W. Hänsch in Frequency Standards and Metrology, J. C. Bergquist (ed.) (World Scientific, Singapore, 1996), p. 137
	Atom Interferometers and Precision Measurements B. C. Young, M. Weitz, J. M. Hensley, and S. Chu in Frequency Standards and Metrology, J. C. Bergquist (ed.) (World Scientific, Singapore, 1996), p. 223
	A Phase-Coherent Frequency Chain Connecting a Methane Stabilized He-Ne Laser to the Hydrogen La-Transition Frequency T. Udem, A. Huber, M. Weitz, D. Leibfried, W. König, M. Prevedelli, S. Dimitriev, and T. W. Hänsch J. Helmcke and S. Penselin (eds.) PTB-Opt-51 (Braunschweig, 1996), p. 77
	Applications Laser Cooling and Trapping to Precision Measurements and Polymer Physics B. C. Young, M. Weitz, J. Hensey, T. Perkins, D. Smith, S. Quake, and S. Chu in Quantum Coherence and Decoherence, Foundations of Quantum Mechanics in the Light of New Technology K. Fujikawa and Y. A. Ono (eds.) (Elsevier, Amsterdam, 1996), p. 47
1995	High Resolution Spectroscopy of the 1S-2S Transition of Atomic Hydrogen and Deuterium F. Schmidt-Kaler, D. Leibfried, S. Seel, C. Zimmermann, W. König, M. Weitz, and T. W. Hänsch Phys. Rev. A 51, 2789 (1995)
	Precision Measurement of the 1S Ground State Lamb Shift in Atomic Hydrogen and Deuterium by Frequency Comparison M. Weitz, A. Huber, F. Schmidt-Kaler, D. Leibfried, W. Vassen, C. Zimmermann, K. Pachucki, T. W. Hänsch, L. Julien, and F. Biraben Phys. Rev. A 52, 2664 (1995)
	Dipole Trapping, Cooling in Traps, and Long Coherence Times H.-J. Lee, C. Adams, N. Davidson, B. Young, M. Weitz, M. Kasevich, and S. Chu in Proceedings of the Fourteenth International Conference on Atomic Physics D. J. Wineland, C. E. Wieman, and S. J. Smith (eds.) (American Institute of Physics, New York, 1995), p. 258
1994	Precision Measurement of the Hydrogen and Deuterium 1S Ground State Lamb Shift M. Weitz, A. Huber, F. Schmidt-Kaler, D. Leibfried, and T. W. Hänsch Phys. Rev. Lett. 72, 328 (1994)
	Theory of the Hydrogen-Deuterium Isotope Shift K. Pachucki, M. Weitz, and T. W. Hänsch Phys. Rev. A 49, 2255 (1994)
	Atom Manipulation Based on Delayed Laser Pulses in 3 and 4 Level Systems: Light Shifts and Transfer Efficiencies M. Weitz, B. C. Young, and S. Chu Phys. Rev. A 50, 2438 (1994)
	Atomic Interferometer Based on Adiabatic Population Transfer M. Weitz, B. C. Young, and S. Chu Phys. Rev. Lett. 73, 2563 (1994)
	Precision Laser Spectroscopy of Atomic Hydrogen T. W. Hänsch, T. Andreae, A. Huber, W. König, D. Leibfried, K. Pachucki, M. Prevedelli, F. Schmidt-Kaler, M. Weitz, R. Wynands, and C. Zimmermann in Laser Spectroscopy XI, L. Bloomfield, T. Gallagher and D. Larson (eds.) (American Institute of Physics, New York, 1994), p. 3
	New Atomic Interferometers for Precise Measurements of the Recoil Shift. Application to Atomic Hydrogen C. J. Bordé, M. Weitz, and T. W. Hänsch in Laser Spectroscopy XI, L. Bloomfield, T. Gallagher and D. Larson (eds.) (American Institute of Physics, New York, 1994), p. 76
	High Resolution Spectroscopy of Atomic Hydrogen C. Zimmermann, A. Huber, W. König, D. Leibfried, F. Schmidt-Kaler, M. Weitz, and T. W. Hänsch in Particle Astrophysics, Atomic Physics and Gravitation, J. Tran Thanh Van, G. Fontaine, and E. Hinds (eds.) (Edition Frontieres, France, 1994), p. 369
1993	Precision Measurement of the Isopope Shift of the 1S-2S Transition of Atomic Hydrogen and Deuterium F. Schmidt-Kaler, D. Leibfried, M. Weitz, and T. W. Hänsch Phys. Rev. Lett. 70, 2261 (1993)
	Phase-Matched Electrooptic Modulator at 84 GHz for Blue Light: Theory, Experimental Test and Applications D. Leibfried, F. Schmidt-Kaler, M. Weitz, and T. W. Hänsch Appl. Phys. B 56, 65 (1993)
	High Resolution Spectroscopy of the 1S-2S Transition in Atomic Hydrogen F. Schmidt-Kaler, T. Andreae, W. König, D. Leibfried, L. Ricci, M. Weitz, R. Wynands, C. Zimmermann, and T. W. Hänsch in Proceedings of the Thirteenth International Conference on Atomic Physics H. Walther, T. W. Hänsch, and B. Neizert (eds.) (American Institute of Physics, New York, 1993), p. 31
	Frequency Stabilized Ti:Sapphire Laser for High Resolution Spectroscopy of Atomic Hydrogen M. Weitz, F. Schmidt-Kaler, and T. W. Hänsch in Solid State Lasers, M. Inguscio, and R. Wallenstein (eds.) (Plenum Press, New York, 1993), p. 331
	Hochgenaue Vermessung des Grundzustands von Wasserstoff als Test der Quantenelektrodynamik M. Weitz in Spektrum der Wissenschaft (Spektrum der Wissenschaft Verlagsgesellschaft, Heidelberg, September 1993), p. 22
1992	Precise Optical Lamb Shift Measurements in Atomic Hydrogen M. Weitz, F. Schmidt-Kaler, and T. W. Hänsch Phys. Rev. Lett. 68, 1120 (1992)
1991	High Power Ultraviolet Source with Extreme Frequency Stability R. Kallenbach, F. Schmidt-Kaler, M. Weitz, C. Zimmermann, and T. W. Hänsch Opt. Commun. 81, 63 (1991)
	High Resolution Spectroscopy of the Hydrogen 1S-2S Transition in an Atomic Beam C. Zimmermann, F. Schmidt-Kaler, M. Weitz, D. Leibfried, T. W. Hänsch, R. Kallenbach, and W. Vassen J. C. Zorn and R. R. Lewis (eds.) in Proceedings of the Twelfth International Conference on Atomic Physics (American Institute of Physics, New York, 1991), p. 366