Publications

2011

Quantum Galvanometer by Interfacing a Vibrating Nanowire and Cold Atoms 

 O. Kalman, T. Kiss, J. Fortágh, and P. Domokos 
 Nano Letters 2012, 12, 435-439  

Nanotechnologie am Quantenlimit - Eiskalt und unfassbar klein

Andreas Günther & József Fortágh
nanoTECHNOLOGIE aktuell 4, 42-46 (2011)

Mikroskopie mit einer Quantenspitze

Andreas Günther & József Fortágh
Physik in unserer Zeit; Vol. 42, Issue 5; 215-216 (2011)

Cold-atom scanning probe microscopy

M. Gierling, P. Schneeweiss, G. Visanescu, P. Federsel, M. Häffner, D. Kern, T. E. Judd, A. Günther and J. Fortágh
Nature Nanotechnology 6; 445-451 (2011)

News & Views
Scanning probes: Cold-atom microscope shapes up

Christian L. Degen, Jonathan P. Home
Nature Nanotechnology 6, 399–400 (2011)

 

Experimental system for research on ultracold atomic gases near superconducting microstructures

D. Cano, H. Hattermann, B. Kasch, C. Zimmermann, R. Kleiner, D. Koelle and J. Fortágh
European Physical Journal D 63, 17-23 (2011)

Optimization of plasma-enhanced chemical vapor deposition parameters for the growth of individual vertical carbon nanotubes as field emitters

R. Löffler, M. Häffner, G. Visanescu, H. Weigand, X. Wang, D. Zhang, M. Fleischer, A.J. Meixner, J. Fortágh, D.P. Kern
Carbon Vol. 49, Issue 13, Pages 4197-4203 (2011)

Measurement of absolute transition frequencies of 87Rb to nS and nD Rydberg states by means of electromagnetically induced transparency

Markus Mack, Florian Karlewski, Helge Hattermann, Simone Höckh, Florian Jessen, Daniel Cano, and József Fortágh
Phys. Rev. A 83, 052515 (2011)

2010

Sublimation of the Endohedral Fullerene Er3N@C80

Alexander Stibor, Hannah Schefzyk, József Fortágh
arXiv:0912.3704
Phys. Chem. Chem. Phys.12, 13076-13081 (2010)

Cold atoms near superconductors: atomic spin coherence beyond the Johnson noise limit

B. Kasch, H. Hattermann, D. Cano, T. E. Judd, S. Scheel, C. Zimmermann, R. Kleiner, D. Koelle, and J. Fortágh
arXiv:0906.1369
New J. Phys. 12, 065024 (2010) 
IOP Select

Single-atom detection on a chip: from realization to application

A. Stibor, S. Kühnhold, J. Fortágh, C. Zimmermann, and A. Günther 
New J. Phys. 12, 065034 (2010)

Powerful narrow-line source of blue light for laser cooling Yb/Er and Dysprosium atoms

S.Kobtsev, B.Lev, J. Fortágh, V.Baraulya 
Proc. SPIE, Vol. 7578, 75782F (2010)

2009

Integrated Atom Detector Based on Field Ionization near Carbon Nanotubes

B. Grüner, M. Jag, A. Stibor, G. Visanescu, M. Häffner, D. Kern, A. Günther, and J. Fortágh
arXiv:0911.1329
Phys. Rev. A 80, 063422 (2009)

Observing quantum gases in real time: Single-atom detection on a chip

A. Günther, H. Bender, A. Stibor, J. Fortágh, and C. Zimmermann
arXiv:0809.2527
Phys. Rev. A 80, 011604(R) (2009)

2008

Meissner effect in superconducting microtraps

D. Cano, B. Kasch, H. Hattermann, R. Kleiner, C. Zimmermann, D. Koelle, and J. Fortágh
arXiv:0808.2911
Phys. Rev. Lett. 101, 183006 (2008)

Impact of the Meissner effect on magnetic microtraps for neutral atoms near superconducting thin films

D. Cano, B. Kasch, H. Hattermann, D. Koelle, R. Kleiner, C. Zimmermann, and J. Fortágh
arXiv:0808.2828
Phys. Rev. A 77, 063408 (2008)

A number filter for matter-waves

G. Nandi, A. Sizmann, C. Weiss, J. Fortágh, and R. Walser
arXiv:0710.1737
Phys. Rev. A 78, 013605 (2008)

2007

Calibration of a single atom detector for atomic micro chips

A. Stibor, S. Kraft, T. Campey, D. Komma, A. Günther, J. Fortágh, C.J. Vale, H. Rubinsztein-Dunlop, and C. Zimmermann 
arxiv:quant-ph/0702132v1 
Phys. Rev. A 76, 033614 (2007)

Spatially resolved photo ionization of ultracold atoms on an atom chip

S. Kraft, A. Günther, J. Fortágh, and C. Zimmermann 
arxiv:cond-mat/0702216v1 
Phys. Rev. A 75, 063605 (2007)

Atom interferometer based on phase coherent splitting of Bose-Einstein condensates with an integrated magnetic grating

A. Günther, S. Kraft, C. Zimmermann, and J. Fortágh
arxiv:cond-mat/0603631
Phys. Rev. Lett. 98, 140403 (2007)

Magnetic micro traps for ultracold atoms

J. Fortágh and C. Zimmermann 
Reviews of Modern Physics 79, 235 (2007)

Microtraps for quantum information processing and precision force sensing 

G. Birkl and J. Fortágh 
Laser & Photonics Reviews 1, 12-23 (2007) /DOI 10.1002/lpor.200610002

2006

Atom counting in ultra-cold gases using photoionisation and atom counting

T. Campey, C.J. Vale, M. J. Davis, N. R. Heckenberg, and H. Rubinsztein-Dunlop
S. Kraft, C. Zimmermann, and J. Fortágh
arxiv:cond-mat/0607170v1
Phys. Rev. A 74, 043612 (2006)

Highly versatile atomic micro traps generated by multifrequency magnetic field modulation

Ph.W. Courteille, B. Deh, J. Fortágh, A. Günther, S. Kraft, C. Marzok, S. Slama, C. Zimmermann
arXiv:quant-ph/0512061
J. Phys. B: At. Mol. Opt. Phys. 39 1055 (2006)

2005

Diffraction of a Bose-Einstein condensate from a magnetic lattice on a micro chip 

A. Günther, S. Kraft, M. Kemmler, D. Koelle, R. Kleiner, C. Zimmermann, and J. Fortágh
arXiv:cond-mat/0504210v2
Phys. Rev. Lett. 95, 170405 (2005)

Combined chips for atom-optics

A. Günther, M. Kemmler, S. Kraft, C. J. Vale, C. Zimmermann, and J. Fortágh
arXiv:cond-mat/0504209
Phys. Rev. A 71, 063619 (2005)

Atom-optical elements on micro chips

S. Kraft, A, Günther, P. Wicke, B. Kasch, C. Zimmermann, and J. Fortágh
arXiv:cond-mat/0504242
Eur. Phys. J. D 35, 119 (2005)

Towards Atom Chips

J. Fortágh and C. Zimmermann
Science 307, 860 (2005)

Rubidium Spectroscopy at 778-780 nm with a Distributed Feedback Laser Diode

S. Kraft, A. Deninger, C. Trück, J. Fortágh, F. Lison, and C. Zimmermann
arXiv:physics/0410256v1
Laser Phys. Lett. 2, 71 (2005)

2004

Perspectives of ultracold atoms trapped in magnetic micro potentials

J. Fortágh, S. Kraft, A. Günther, C. Trück, P. Wicke, and C. Zimmermann
Opt. Comm. 243, 45 (2004)

Two experiments with Bose-Einstein condensates in magnetic micro traps

C. Zimmermann, S. Kraft, A. Günther, H. Ott, and J. Fortágh
J. Phys. IV 116, 275 (2004)

2003

Bose-Einstein-Kondensate in magnetischen Mikrofallen

J. Fortágh und C. Zimmermann
Physik Journal 2, Nr 6 (2003), 39-44

Bose-Einstein condensates in magnetic waveguides 

J. Fortágh, H. Ott, S. Kraft, A. Günther, and C. Zimmermann
Appl. Phys. B 76, 157 (2003)

On-chip laboratory for Bose-Einstein condensation

J. Fortágh, H. Ott, S. Kraft, A. Günther, C. Trück, and C. Zimmermann
International Conference on Laser Spectroscopy, Palm Cove (2003)

Dynamics of a Bose-Einstein condensate in an anharmonic trap

H. Ott, J. Fortágh, and C. Zimmermann
J. Phys. B: At. Mol. Opt. Phys. 36, 2817 (2003)
arXiv:cond-mat/0212193v3

Nonlinear dynamics of a Bose-Einsteincondensate in a magnetic waveguide

H. Ott, J. Fortágh, S. Kraft, A. Günther, D. Komma, and C. Zimmermann
Phys. Rev. Lett. 91, 040402 (2003)

2002

Bose-Einstein condensates in magnetic micro traps

C. Zimmermann, J. Fortágh, H. Ott, S. Kraft, and A. Günther
Atomic Physics 18, Proceedings of ICAP 2002, Boston

Anomalous longitudinal magnetic field near the surface of copper conductors 

S. Kraft, A. Günther, H. Ott, D. Wharam, C. Zimmermann, and J. Fortágh
J. Phys. B: At. Mol. Opt. Phys. 35, L 469 (2002)

Microelectromagnets for trapping and manipulating ultracold atomic quantum gases

J. Fortágh, H. Ott, G. Schlotterbeck and C. Zimmermann, B. Herzog, and D. Wharam
Appl. Phys. Lett. 81, 1146 (2002)

Surface effects in magnetic microtraps

J. Fortágh, H. Ott, S. Kraft, A. Günther, and C. Zimmermann
Phys. Rev. A 66, 041604 (2002)

2001

Bose-Einstein condensation in a surface microtrap

H. Ott, J. Fortágh, A. Grossmann, and C. Zimmermann
Phys. Rev. Lett. 87, 230401 (2001)

Bose-Einstein condensate in a surface microtrap

J. Fortágh, H. Ott, G. Schlotterbeck, A. Grossmann, and C. Zimmermann
Laser Spectroscopy Proceedings of the XV Int. Conference; Snowbird, Utah USA
June 10-15 2001, World Scientific 2002 (p. 293-296)

2000

A miniaturized magnetic guide for neutral atoms

J. Fortágh, H. Ott, A. Grossmann, and C. Zimmermann
App. Phys. B 70, 701 (2000).

1999

Miniaturized wire trap for neutral atoms

J. Fortágh, H. Ott, A. Grossmann, and C. Zimmermann
Laser Spectroscopy. Proceedings of the XIV International Conference Innsbruck, Austria
June 7-11 1999, World Scientific 1999 (p. 328-329)

1998

A miniaturized wire trap for neutral atoms

J. Fortágh, A. Grossmann, C. Zimmermann, and T. W. Hänsch
Phys. Rev. Lett. 81, 5310 (1998)

Fast loading of a magneto-optical trap from a pulsed thermal source

J. Fortágh, A. Grossmann, T. W. Hänsch, and C. Zimmermann
J. App. Phys. 84, 6499 (1998)