Optically transparent solid electrodes for precision Penning traps

M. Wiesel, G. Birkl, M.S. Ebrahimi, A. Martin, W. Quint, N. Stahlkamp, M. Vogel
Rev. Sci. Instrum. 88, 123101 (2017)
DOI: 10.1063/1.5002180 -- arXiv:1802.03183 -- PDF (opens in new tab)

Featured in AIP Scilight by Louisa Cockbill at DOI: 10.1063/1.5017839

Quantum simulators by design: Many-body physics in reconfigurable arrays of tunnel-coupled traps

M. R. Sturm, M. Schlosser, R. Walser, G. Birkl
Phys. Rev. A 95, 063625 (2017)
DOI: 10.1103/PhysRevA.95.063625 -- arXiv:1705.01271 -- PDF (opens in new tab)

Focus on atomtronics-enabled quantum technologies

L. Amico, G. Birkl, M. Boshier, Leong-Chuan Kwek
New J. Phys 19, 020201 (2017)
DOI: 10.1088/1367-2630/aa5a6d -- arXiv:1612.07783 -- PDF (opens in new tab)

External cavity diode laser setup with two interference filters

A. Martin, P. Baus, G. Birkl
Appl. Phys. B 122, 298 (2016)
DOI: 10.1007/s00340-016-6575-9 -- arXiv:1611.07363 -- PDF (opens in new tab)

Rapid crystallization of externally produced ions in a Penning trap

T. Murböck, S. Schmidt, G. Birkl, W. Nörtershäuser, R.C. Thompson, M. Vogel
Phys. Rev. A 94, 043410 (2016)
DOI: 10.1103/PhysRevA.94.043410 -- arXiv:1609.06973 -- PDF (opens in new tab)

Roadmap on quantum optical systems

R. Dumke, Z. Lu, J. Close, N. Robins, A. Weis, M. Mukherjee, G. Birkl, C. Hufnagel, L. Amico, M.G. Boshier, K. Dieckmann, W. Li, T.C. Kilian
Journal of Optics 18, 093001 (2016)
DOI: 10.1088/2040-8978/18/9/093001 -- PDF (opens in new tab)

Superconducting radio-frequency resonator in magnetic fields up to 6 T

M.S. Ebrahimi, N. Stallkamp, W. Quint, M. Wiesel, M. Vogel, A. Martin, G. Birkl
Rev. Sci. Instrum. 87, 075110 (2016)
DOI: 10.1063/1.4958647 -- PDF (opens in new tab)

A compact source for bunches of singly charged atomic ions

T. Murböck, S. Schmidt, Z. Andelkovic, G. Birkl, W. Nörtershäuser, M. Vogel
Rev. Sci. Instrum. 87, 043302 (2016)
DOI: 10.1063/1.4944946 -- PDF (opens in new tab)

Penning-trap experiments for spectroscopy of highly-charged ions at HITRAP

M. Vogel, Z. Andelkovic, G Birkl, S. Ebrahimi, V. Hannen, D. von Lindenfels, A. Martin, T. Murböck, W. Nörtershäuser, W. Quint, S. Schmidt, D.M. Segal, R.C. Thompson, J. Vollbrecht, Ch. Weinheimer, M. Wiesel
Phys. Scr. T166, 014066 (2015)
DOI: 10.1088/0031-8949/2015/T166/014066 -- PDF (opens in new tab)

Laser cooling of relativistic heavy-ion beams for FAIR

D. Winters, T. Beck, G. Birkl, C. Dimopoulou, V. Hannen, T. Kühl, M. Lochmann, M. Loeser, X. Ma, F. Nolden, W. Nörtershäuser, B. Rein, R. Sánchez, U. Schramm, M. Siebold, P. Spiller, M. Steck, T. Stöhlker, J. Ullmann, Th. Walther, W. Wen, J. Yang, D. Zhang, M. Bussmann
Phys. Scr. T166, 014048 (2015)
DOI: 10.1088/0031-8949/2015/T166/014048 -- PDF (opens in new tab)

Non-destructive single-pass low-noise detection of ions in a beamline

S. Schmidt, T. Murböck, Z. Andelkovic, G. Birkl, W. Nörtershäuser, S. Stahl, M. Vogel
Rev. Sci. Instrum. 86, 113302 (2015)
DOI: 10.1063/1.4935551 -- PDF (opens in new tab)

Extreme-field physics in Penning traps – The ARTEMIS and HILITE experiments

M. Vogel, G. Birkl, M.S. Ebrahimi, D. von Lindenfels, A. Martin, G.G. Paulus, W. Quint, S. Ringleb, Th. Stöhlker, M. Wiesel
Hyp. Int. 236, 65 – 71 (2015)
DOI: 10.1007/s10751-015-1173-5 -- PDF (opens in new tab)

Status of deceleration and laser spectroscopy of highly charged ions at HITRAP

Z. Andelkovic, G. Birkl, S. Fedotova, V. Hannen, F. Herfurth, K. König, N. Kotovskty, B. Maaß, J. Vollbrecht, T. Murböck, D. Neidherr, W Nörtershäuser, S. Schmidt, M Vogel, G. Vorobjev, C Weinheimer
Hyp. Int. 235, 37 – 44 (2015)
DOI: 10.1007/ s10751-015-1199-8 -- PDF (opens in new tab)

Terahertz homodyne self-mixing transmission spectroscopy

T. Mohr, S. Breuer, D. Blömer, M. Simonetta, S. Patel, M. Schlosser, A. Deninger, G. Birkl, G. Giuliani, W. Elsäßer
Appl. Phys. Lett. 106, 061111 (2015)
DOI: 10.1063/1.4908059 -- PDF (opens in new tab)

Blue-detuned optical ring trap for Bose-Einstein condensates based on conical refraction

A. Turpin, J. Polo, Yu. Loiko, J. Küber, F. Schmaltz, T.K. Kalkandjiev, V. Ahufinger. G. Birkl, J. Mompart
Optics Express 23, 1638-1650 (2015)
DOI: 10.1364/OE.23.001638 -- arXiv:1411.1587 -- PDF (opens in new tab)

Coherent injecting, extracting, and velocity-filtering of neutral atoms in a ring trap via spatial adiabatic passage

Yu. Loiko, V. Ahufinger. R. Menchon-Enrich, G. Birkl, J. Mompart
Eur. Phys. J. D 68, Article 147 (online) (2014)
DOI: 10.1140/epjd/e2014-40696-3 -- arXiv:1405.3829 -- PDF (opens in new tab)
Feature at phys.org (opens in new tab)

Switchable magnetic bottles and field gradients for particle traps

M. Vogel, G. Birkl, W. Quint, D. von Lindenfels, M. Wiesel
Appl. Phys. B, 114, 63-74 (2014)
DOI: 10.1007/s00340-013-5707-8 -- arXiv:1402.6822 -- PDF (opens in new tab)

Half-open Penning trap with efficient light collection for precision laser spectroscopy of highly charged ions

D. von Lindenfels, M. Vogel, W. Quint, G. Birkl, M. Wiesel
Hyp. Int. 227, 197-207 (2014)
DOI: 10.1007/s10751-013-0961-z -- arXiv:1402.6830 -- PDF (opens in new tab)

SpecTrap: precision spectroscopy of highly charged ions – status and prospects

Tobias Murböck, Sebastian Albrecht, Zoran Andelkovic, Radu Cazan, Volker Hannen, Raphael Jöhren, Jonas Vollbrecht, Stefan Schmidt, Danny Segal, Richard Thompson, Manuel Vogel, Christian Weinheimer, Wilfried Nörtershäuser and Gerhard Birkl
Phys. Scr. T156, 014096 (2013)
DOI: 10.1088/0031-8949/2013/T156/014096 -- PDF (opens in new tab)

Experimental access to higher-order Zeeman effects by precision spectroscopy of highly charged ions in a Penning trap

D. von Lindenfels, M. Wiesel, D.A. Glazov, A.V. Volotka, M.M. Sokolow, V.M. Shabaev, G. Plunien, W. Quint, G. Birkl, A. Martin, M. Vogel
Phys. Rev. A 87, 023412 (2013)
DOI: 10.1103/PhysRevA.87.023412 -- arXiv:1306.1393 -- PDF (opens in new tab)

Fast transport, atom sample splitting, and single-atom qubit supply in two-dimensional arrays of optical microtraps

M. Schlosser, J. Kruse, C. Gierl, S. Teichmann, S. Tichelmann, G. Birkl
New J. Phys. 14, 123034 (2012)
DOI: 10.1088/1367-2630/14/12/123034 -- arXiv:1301.1160 -- PDF (opens in new tab)

Single-site addressing of ultracold atoms beyond the diffraction limit via position dependent adiabatic passage

D. Viscor, J.L. Rubio, G. Birkl, J. Mompart, V. Ahufinger
Phys. Rev. A 86, 063409 (2012)
DOI: 10.1103/PhysRevA.86.063409 -- arXiv:1301.1546 -- PDF (opens in new tab)

Heteronuclear collisions between laser-cooled metastable neon atoms

J. Schütz, T. Feldker, H. John, G. Birkl
Phys. Rev. A 86, 022713 (2012)
DOI: 10.1103/PhysRevA.86.022713 -- arXiv:1208.5719 -- PDF (opens in new tab)

A Laser system for the spectroscopy of highly-charged bismuth ions

S. Albrecht, S. Altenburg, C. Siegel, N. Herschbach, G. Birkl
Appl. Phys. B, 107, 1069-1074 (2012)
DOI: 10.1007/s00340-011-4732-8 -- arXiv:1108.5137 -- PDF (opens in new tab)

Cold and trapped metastable noble gases

W. Vassen, C. Cohen-Tannoudji, M. Leduc, D. Boiron, C. I. Westbrook, A. Truscott, K. Baldwin, G. Birkl, P. Cancio, M. Trippenbach
Rev. Mod. Phys. 84, 175-210 (2012)
DOI: 10.1103/RevModPhys.84.175 -- arXiv:1110.1361 -- PDF (opens in new tab)

Optimized Bose-Einstein-condensate production in a dipole trap based on a 1070-nm multifrequency laser: Influence of enhanced two-body loss on the evaporation process

T. Lauber, J. Küber, O. Wille, G. Birkl
Phys. Rev. A 84, 043641 (2011)
DOI: 10.1103/PhysRevA.84.043641 -- arXiv:1110.5192 -- PDF (opens in new tab)

Scalable architecture for quantum information processing with atoms in optical micro-structures

M. Schlosser, S. Tichelmann, J. Kruse, G. Birkl
Quantum Inf. Process. 10, 907-924 (2011)
DOI: 10.1007/s11128-011-0297-z -- arXiv:1108.5136 -- PDF (opens in new tab)

Magneto-optical trapping of bosonic and fermionic neon isotopes and their mixtures: isotope shift of the 3P2 to 3D3 transition and hyperfine constants of the 3D3 state of Ne-21

T. Feldker, J. Schütz, H. John, G. Birkl
Eur. Phys. J. D 65, 257-262 (2011)
DOI: 10.1140/epjd/e2011-20068-5 -- arXiv:1105.2193 -- PDF (opens in new tab)

A Penning trap for g-factor measurements in highly charged ions by laser-microwave double-resonance spectroscopy

N.P.M. Brantjes, D. von Lindenfels, G. Birkl, W. Quint, M. Vogel
Hyp. Int. 199, 161-166 (2011)
DOI: 10.1007/s10751-011-0310-z -- PDF (opens in new tab)

Filtering of matter-wave vibrational states via spatial adiabatic passage

Yu. Loiko, V. Ahufinger, R. Corbalan, G. Birkl, J. Mompart
Phys. Rev. A 83, 033629 (2011)
DOI: 10.1103/PhysRevA.83.033629 -- arXiv:1107.5643 -- PDF (opens in new tab)

Atomic wave packet dynamics in finite time-dependent optical lattices

T. Lauber, P. Massignan, G. Birkl, A. Sanpera
J. Phys. B 44, 065301 (2011)
DOI: 10.1088/0953-4075/44/6/065301 -- arXiv:1012.4967 -- PDF (opens in new tab)

Bound electron g-factor measurement by double-resonance spectroscopy on a fine-structure transition

D. von Lindenfels, N.P.M. Brantjes, G. Birkl, W. Quint, V. Shabaev, M. Vogel
Can. J. Phys. 89, 79 (2011)
DOI: 10.1139/P10-071 -- PDF (opens in new tab)

Coherent Transport of Atomic Quantum States in a Scalable Shift Register

A. Lengwenus, J. Kruse, M. Schlosser, S. Tichelmann, G. Birkl
Phys. Rev. Lett. 105, 170502 (2010)
DOI: 10.1103/PhysRevLett.105.170502 -- arXiv:0901.1496 -- PDF (opens in new tab)

Atomtronics with holes: Coherent transport of an empty site in a triple-well potential

A. Benseny, S. Fernández-Vidal, J. Bagudà, R. Corbalán, A. Picón, L. Roso, G. Birkl, J. Mompart
Phys. Rev. A 82, 013604 (2010)
DOI: 10.1103/PhysRevA.82.013604 -- arXiv:0912.4362 -- PDF (opens in new tab)

Reconfigurable site-selective manipulation of atomic quantum systems in two-dimensional arrays of dipole traps

J. Kruse, C. Gierl, M. Schlosser, G. Birkl
Phys. Rev. A 81, 060308(R) (2010)
DOI: 10.1103/PhysRevA.81.060308 -- arXiv:1001.3430 -- PDF (opens in new tab)

HITRAP a facility for experiments on heavy highly charged ions and on antriprotons

Z. Andjekovic, W. Barth, G. Birkl et al.
Journal of Physics: Conf. Ser. 194, 142007 (2009)
DOI: 10.1088/1742-6596/194/14/142007 -- PDF (opens in new tab)

Manipulating mesoscopic multipartite entanglement with atom-light interfaces

J. Stasinska, C. Rodó, S. Paganelli, G. Birkl, A. Sanpera
Phys. Rev. A 80, 062304 (2009)
DOI: 10.1103/PhysRevA.80.062304 -- PDF (opens in new tab)

Coherent Patterning of Matter Waves With Subwavelength Localization

J. Mompart, V. Ahufinger, G. Birkl
Phys. Rev. A 79, 053638 (2009)
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Double barrier potentials for matter-wave gap solitons

V. Ahufinger, B.A. Malomed, G. Birkl, K. Eckert, R. Corbalán, A. Sanpera
Phys. Rev. A 78, 013608 (2008)
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Coherent Manipulation of Atomic Qubits in Optical Micropotentials

A. Lengwenus, J. Kruse, M. Volk, W. Ertmer, G. Birkl
Applied Physics B 86, 377-383 (2007)
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Micro traps for quantum information processing and presicion force sensing

G. Birkl, J. Fortágh
Laser & Photon. Rev. 1, 12 – 21 (2007)
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Three level atom optics in dipole traps and waveguides

K. Eckert, J. Mompart, R. Corbalán, M.Lewenstein, G. Birkl
Opt. Comm. 264, 264 – 270 (2006)
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Atom-Chips, optische Gitter und Mikrolinsen

G. Birkl
Physik Journal 4 (11), 45 (2005)
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One- and two-dimensional quantum walks in arrays of optical traps

K. Eckert, J. Mompart, G. Birkl, M. Lewenstein
Phys. Rev. A 72, 012327 (2005)
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Collisional Properties of Cold Spin-Polarized Metastable Neon Atoms

P. Spoden, M. Zinner, N. Herschbach, W. van Drunen, W. Ertmer, G. Birkl
Phys. Rev. Lett. 94, 223201 (2005)
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Atom Optics, Guided Atoms, and Atom Interferometry

J. Arlt, G. Birkl, E. Rasel, W. Ertmer
Adv. At. Mol. Opt. Phys. 50, 55 – 89 (2005)

Three level atom optics via the tunnelling interaction

K. Eckert, M. Lewenstein, R. Corbalán, G. Birkl, W. Ertmer, J. Mompart
Phys. Rev. A 70, 023606 (2004)
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Coherence Properties of Guided-Atom Interferometers

H. Kreutzmann, U. V. Poulsen, M. Lewenstein, R. Dumke, W. Ertmer, G. Birkl, A. Sanpera
Phys. Rev. Lett. 92, 163201 (2004)
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Micro-Optics Advances Quantum Computing and Integrated Atom Optics

R. Dumke, T. Müther, M. Volk, W. Ertmer, G. Birkl
Optics and Photonics News, p. 38, December 2003 (Special issue: Optics in 2003)
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Quantum computing with spatially delocalized qubits

J. Mompart, K. Eckert, W. Ertmer, G. Birkl, M. Lewenstein
Phys. Rev. Lett. 90, 147901 (2003)
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Quantum Information Processeing with Atoms in Optical Micro-Structures

R. Dumke, M. Volk, T. Müther, F.B.J. Buchkremer, W. Ertmer, G. Birkl
in 'Quantum Information Processing', pp. 246 – 256, G. Leuchs, T. Beth (eds.) Wiley-VCH, Weinheim (2003)

Precision measurement of the metastable ³P₂ lifetime of neon

M. Zinner, P. Spoden, T. Kraemer, G. Birkl, W. Ertmer
Phys. Rev. A 67, 010501(R) (2003)
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Interferometer-Type Structures for Guided Atoms

R. Dumke, T. Müther, M. Volk, W. Ertmer, G. Birkl
Phys. Rev. Lett. 89, 220402 (2002)
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Quantum computing in optical microtraps based on the motional states of neutral atoms

K. Eckert, J. Mompart, X. X. Yi, J. Schliemann, D. Bruss, G. Birkl, M. Lewenstein
Phys. Rev. A 66, 042317 (2002)
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Micro-optical Realization of Arrays of Selectively Addressable Dipole Traps: A Scalable Configuration for Quantum Computation with Atomic Qubits

R. Dumke, M. Volk, T. Müther, F. B. J. Buchkremer, G. Birkl, W. Ertmer
Phys. Rev. Lett. 89, 097903 (2002)
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Quantum Information Processing with Microfabricated Optical Elements

F.B.J. Buchkremer, R. Dumke, M. Volk, T. Müther, G. Birkl, W. Ertmer
Laser Physics 12, 736 – 741 (2002)
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Atom optics with microfabricated optical elements

G. Birkl, F. B. J. Buchkremer, R. Dumke, W. Ertmer
Optics Communications 191, 67 – 81 (2001)
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Wave Packet Echoes in Optical Lattices

F.B.J. Buchkremer, R. Dumke, G. Birkl, W. Ertmer
Phys. Rev. Lett. 85, 3121 – 3124 (2000)
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Low-cost setup for generation of 3 GHz frequency difference phase-locked laser light

F.B.J. Buchkremer, R. Dumke, Ch. Buggle, G. Birkl, W. Ertmer
Rev. Sci. Instr. 191, 3306 – 3308 (2000)
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Coherent Evolution of Bouncing Bose-Einstein Condensates

K. Bongs, S. Burger, G. Birkl, K. Sengstock, W. Ertmer, K. Rzazewski, A. Sanpera, M. Lewenstein
Phys. Rev. Lett.83, 3577 – 3580 (1999)
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Optical generation of vortices in trapped Bose-Einstein condensates

L. Dobrek, M. Gajda, M. Lewenstein, K. Sengstock, G. Birkl, W. Ertmer
Phys. Rev. A 60, R3381 – R3384 (1999)
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Atomic lattice structures in two-dimensional momentum space

M. Rauner, S. Kuppens, M. Schiffer, G. Birkl, K. Sengstock, W. Ertmer
Phys. Rev. A 58, R42 – R45 (1998)
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Compression and Parametric Driving of Atoms in Optical Lattices

G. Raithel, G. Birkl, W.D. Phillips, S.L. Rolston
Phys. Rev. Lett. 78, 2928 – 2931 (1997)
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Temperature and localization of atoms in three-dimensional optical lattices

M. Gatzke, G. Birkl, P.S. Jessen, A. Kastberg, S.L. Rolston, W.D. Phillips
Phys. Rev. A 55, R3987 – R3990 (1997)
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Cooling and Localization Dynamics in Optical Lattices

G. Raithel, G. Birkl, A. Kastberg, W.D. Phillips, S.L. Rolston
Phys. Rev. Lett. 78, 630 – 633 (1997)
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Bragg Scattering from Atoms in Optical Lattices

G. Birkl, M. Gatzke, I.H. Deutsch, S.L. Rolston, W.D. Phillips
Phys. Rev. Lett. 75, 2823 – 2826 (1995)
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Multiple-shell structures of laser-cooled ²⁴Mg⁺ ions in a quadrupole storage ring

G. Birkl, S. Kassner, H. Walther
Nature 357, 310 – 313 (1992)
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Observation of Ordered Structures of Laser-Cooled Ions in a Quadrupole Storage Ring

I. Waki, S. Kassner, G. Birkl, H. Walther
Phys. Rev. Lett. 68, 2007 – 2010 (1992)
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