Our Publications

Here we present the publications of the group at the UdS (and partially before). For earlier publications by J. Eschner and his group follow these links:

Journal Papers

• Demonstration of quantum network protocols over a 14-km urban fiber link
  S. Kucera, C. Haen, E. Arenskötter, T. Bauer, J. Meiers, M. Schäfer, R. Boland, M. Yahyapour, M. Lessing, R. Holzwarth, C. Becher, J. Eschner
  arXiv:2404.04958

• Quantum repeater node with free-space coupled trapped ions
  M. Bergerhoff, O. Elshehy, S. Kucera, M. Kreis, J. Eschner
  arXiv:2312.14805

• Calibration-Independent Certification of a Quantum Frequency Converter
  M. Bock, P. Sekatski, J.-D. Bancal, S. Kucera, T. Bauer, N. Sangouard, C. Becher, J. Eschner
  arXiv:2304.09517

• Full Bell-basis measurement of an atom-photon 2-qubit state and its application for quantum networks
  E. Arenskötter, S. Kucera, O. Elshehy, M. Bergerhoff, M. Kreis, L. Brunel, J. Eschner
  Phys. Rev. Research 6, 023061 (2024)
  arXiv:2301.06091

• Telecom Quantum Photonic Interface for a 40Ca+ Single-Ion Quantum Memory
  E. Arenskötter, T. Bauer, S. Kucera, M. Bock, J. Eschner, C. Becher
  npj Quantum Information 9, 34 (2023)
  arXiv:2211.08841

• Extending Quantum Links: Modules for Fiber- and Memory-Based Quantum Repeaters
  P. van Loock, W. Alt, C. Becher, O. Benson, H. Boche, C. Deppe, J. Eschner, S. Höfling, D. Meschede, P. Michler, F. Schmidt, and H. Weinfurter
  Adv. Quantum Technol. 3, 1900141 (2020)
  arXiv:1912.10123

• Continuous-wave virtual-state lasing from cold ytterbium atoms
  H. Gothe, D. Sholokhov, A. Breunig, M. Steinel, J. Eschner
  Phys. Rev. A 99, 013415 (2019)
  arXiv:1711.08707

• Optical bistability and nonlinear dynamics by saturation of cold ytterbium atoms in a cavity
  H. Gothe, T. Valenzuela, M. Cristiani, J. Eschner
  Phys. Rev. A 99, 013849 (2019)
  arXiv:1808.03132

• High-fidelity entanglement between a trapped ion and a telecom photon via quantum frequency conversion
  M. Bock, P. Eich, S. Kucera, M. Kreis, A. Lenhard, C. Becher, J. Eschner
  Nature Communications 9, 1998 (2018) - One of the "Top 50: Physics" papers in 2018.
  arXiv:1710.0486

• Spectral properties of single photons from quantum emitters
  P. Müller, T. Tentrup, M. Bienert, G. Morigi, J. Eschner
  Phys. Rev. A 96, 023861 (2017).
  arxiv:1705.02489

• Coherence and entanglement preservation of frequency-converted heralded single photons
  A. Lenhard, J. Brito, M. Bock, C. Becher, J. Eschner
  Opt. Express 25, 11187-11199 (2017).
  arxiv:1703.02879

• Programmable atom-photon quantum interface
  C. Kurz, P. Eich, M. Schug, P. Müller, J. Eschner
  Phys. Rev. A 93, 062348 (2016).
  arxiv:1603.06472

• Telecom-heralded single-photon absorption by a single atom
  A. Lenhard, M. Bock, C. Becher, S. Kucera, J. Brito, P. Eich, P. Müller, J. Eschner
  Phys. Rev. A 92, 063827 (2015).
  arxiv:1504.08303

• Dissipative Quantum Control of a Spin Chain
  G. Morigi, J. Eschner, C. Cormick, Y. Lin, D. Leibfried, D. J. Wineland
  Phys. Rev. Lett. 115, 200502 (2015)
  arxiv:1507.02997

• Doubly-heralded single-photon absorption by a single atom
  J. Brito, S. Kucera, P. Eich, P. Müller, J. Eschner
  Appl. Phys. B, February 2016, 122:36
  arxiv:1508.01029

• Single telecom photon heralding by wavelength multiplexing in an optical fiber
  A. Lenhard, J. Brito, S. Kucera, M. Bock, J. Eschner, C. Becher
  Appl. Phys. B, January 2016, 122:20
  arxiv:1507.06089

• Experimental protocol for high-fidelity heralded photon-to-atom quantum state transfer
  C. Kurz, M. Schug, P. Eich, J. Huwer, P. Müller, J. Eschner
  Nature Communications 5, 5527 (2014).
  arxiv:1312.5995

• Quantum interference in the absorption and emission of single photons by a single ion
  M. Schug, C. Kurz, P. Eich, J. Huwer, P. Müller, J. Eschner
  Phys. Rev. A. 90, 023829 (2014). (Editor's suggestion!)
  arxiv:1406.4049

• Single calcium-40 ion as quantum memory for photon polarization: a case study
  P. Müller, J. Eschner
  Appl. Phys. B 114, 303 (2014).
  arxiv:1309.7863

• Heralded photonic interaction between distant single ions
  M. Schug, J. Huwer, C. Kurz, P. Müller, J. Eschner
  Phys. Rev. Lett. 110, 213603 (2013).
  arxiv:1302.1801

• Heralded Mapping of Photonic Entanglement into Single Atoms in Free Space: Proposal for a Loophole-Free Bell Test
  N. Sangouard, J.-D. Bancal, P. Müller, J. Ghosh, J. Eschner
  New J. Phys. 15, 085004 (2013).
  arXiv:1303.6261

• A high-rate source for single photons in a pure quantum state
  C. Kurz, J. Huwer, M. Schug, P. Müller, and J. Eschner
  New J. Phys. 15, 055005 (2013).
  arxiv:1211.5922

• Shot-Noise-Limited Monitoring and Phase Locking of the Motion of a Single Trapped Ion
  P. Bushev, G. Hétet, L. Slodička, D. Rotter, M. A. Wilson, F. Schmidt-Kaler, J. Eschner, and R. Blatt
  Phys. Rev. Lett. 110, 133602 (2013).
  arxiv:1202.2307

• Photon entanglement detection by a single atom
  J. Huwer, J. Ghosh, N. Piro, M. Schug, F. Dubin, J. Eschner
  New J. Phys. 15, 025033 (2013).
  arxiv:1111.1085

• Emission and Absorption of Single Photons by Single Atoms
  J. Eschner, J. Huwer, J. Ghosh, N. Piro, F. Dubin, M. Schug, C. Kurz, P. Müller, J. Brito, in Research in Optical Sciences, OSA Technical Digest (Optical Society of America, 2012), paper QM1B.4.

• Heralded single-photon absorption by a single atom
  N. Piro, F. Rohde, C. Schuck, M. Almendros, J. Huwer, J. Ghosh, A. Haase, M. Hennrich, F. Dubin, J. Eschner
  Nature Physics 7, 17 (2011).
  arxiv:1004.4158

• Two-color photoionization of calcium using SHG and LED light
  C. Schuck, F. Rohde, M. Almendros, M. Hennrich, J. Eschner
  Appl. Phys. B 100, 765 (2010).
  arxiv:0911.3867

• Fast non-destructive temperature measurement of two-electron atoms in a magneto-optical trap
  M. Cristiani, T. Valenzuela, H. Gothe, J. Eschner,
  Phys. Rev. A 81, 063413 (2010).
  arxiv:1002.2616

• Polarization-correlated photon pairs from a single ion
  F. Rohde, J. Huwer, N. Piro, M. Almendros, C. Schuck, F. Dubin, J. Eschner
  J. Opt. Soc. B 27, A81-A87 (2010).
  arxiv:0911.4846

• A diode laser stabilization scheme for ⁴⁰Ca⁺ single ion spectroscopy
  F. Rohde, M. Almendros, C. Schuck, J. Huwer, M. Hennrich, J. Eschner
  J. Phys. B: At. Mol. Opt. Phys. 43, 115401 (2010).
  arxiv:0910.1052

• Resonant interaction of a single atom with single photons from a down-conversion source
  C. Schuck, F. Rohde, N. Piro, M. Almendros, J. Huwer, M. W. Mitchell, M. Hennrich, A. Haase, F. Dubin, J. Eschner
  Phys. Rev. A 81, 011802(R) (2010).
  arxiv:0906.1719

• Bandwidth-tunable single-photon source in an ion-trap quantum network
  M. Almendros, J. Huwer, N. Piro, F. Rohde, C. Schuck, M. Hennrich, F. Dubin, J. Eschner
  Phys. Rev. Lett. 103, 213601 (2009).
  arxiv:0905.3725

• An entangled photon source for resonant single-photon single-atom interaction
  N. Piro, A. Haase, M. W. Mitchell, J. Eschner
  J. Phys. B: At. Mol. Opt. Phys. 42, 114002 (2009).
   
• Intensity-field correlation of single-atom resonance fluorescence
  S. Gerber, D. Rotter, L. Slodička, J. Eschner, H. J. Carmichael, R. Blatt
  Phys. Rev. Lett. 102, 183601 (2009).
   
• Polarization-based light-atom quantum interface with an all-optical trap
  M. Kubasik, M. Koschorreck, M. Napolitano, S. R. de Echaniz, H. Crepaz, J. Eschner, E. S. Polzik, M. W. Mitchell
  Phys. Rev. A 79, 043815 (2009).
   
• Quantum interference from remotely trapped ions
  S. Gerber, D. Rotter, M. Hennrich, R. Blatt, F. Rohde, C. Schuck, M. Almendros, R. Gehr, F. Dubin, J. Eschner
  New J. Phys. 11, 013032 (2009).
   
• A tunable narrowband entangled photon pair source for resonant single-photon single-atom interaction
  A. Haase, N. Piro, J. Eschner, M. W. Mitchell
  Optics Letters 34, 55 (2009).
   
• Entanglement of distant atoms by projective measurement: the role of detection efficiency
  S. Zippilli, G. A. Olivares-Rentería, G. Morigi, C. Schuck, F. Rohde, J. Eschner
  New J. Phys. 10, 103003 (2008).
   
• Photon-Mediated Interaction between Two Distant Atoms
  S. Rist, J. Eschner, M. Hennrich, G. Morigi
  Phys. Rev. A 78, 013808 (2008).
   
• Vibrational Bloch-Siegert effect in trapped ions
  I. Lizuain, J. G. Muga, J. Eschner
  Phys. Rev. A 77, 053817 (2008).
   
• Time-separated entangled light pulses from a single-atom emitter
  D. Vitali, P. Cañizares, J. Eschner, G. Morigi
  New J. Phys. 10, 033025 (2008).
  arXiv:0712.3728
   
• Motional frequency shifts of trapped ions in the Lamb-Dicke regime
  I. Lizuain, J. G. Muga and J. Eschner,
  Phys. Rev. A 76, 033808 (2007).
   
• Photon correlation vs interference of single-atom fluorescence in a half-cavity
  F. Dubin, D. Rotter, M. Mukherjee, C. Russo, J. Eschner, R. Blatt
  Phys. Rev. Lett. 98, 183003 (2007).
   
• Quantum coherence and population trapping in three-photon processes
  C. Champenois, G. Morigi, J. Eschner
  Phys. Rev. A 74, 053404 (2006).
   
• A single cold atom as efficient stationary source of EPR-entangled light
  D. Vitali, G. Morigi, J. Eschner
  Phys. Rev. A 74, 053814 (2006).
   
• Transfer of trapped atoms between two optical tweezer potentials
  M. Schulz, H. Crepaz, F. Schmidt-Kaler, J. Eschner, R. Blatt
  J. Mod. Opt. 57, 1619-1626 (2007).
   
• Coherent generation of EPR-entangled light pulses mediated by a single trapped atom
  G. Morigi, J. Eschner, S. Mancini, D. Vitali
  Phys. Rev. A 73, 033822 (2006).
   

Reviews & Book Chapters

• Single photon absorption by a single atom: from heralded absorption to polarization state mapping
  N. Piro, J. Eschner
  in "Engineering the Atom-Photon Interaction", eds. A. Predojevic and M. W. Mitchell, Springer, 2015
  arxiv:1502.0434
  
  

• Quantum networking with single ions
  J. Eschner
  "Ion Traps for Tomorrow's Applications", Proceedings of the International School of Physics "Enrico Fermi" 189, IOS Press, 2015
  preprint version
  
  

• Quantum computation with trapped ions and atoms
  Felix Rohde, Jürgen Eschner
  in Les Hoches Singapore 2009 Lecture Notes, eds. C. Miniatura et al., Oxford University Press 2011.
  
  

• Quantum computation with trapped ions
  J. Eschner
  in "Quantum Computers, Algorithms and Chaos", eds. G. Casati et al., Proceedings of the International School of Physics Enrico Fermi, Course CLXII, IOS Press, 2006.
  
  

• Laser cooling of trapped ions
  J. Eschner, G. Morigi, F. Schmidt-Kaler, R. Blatt
  J. Opt. Soc. Am. B 20, 1003 (2003).
  Selected by the Virtual Journal of Quantum Information, May 2003.
  
  

• Laser Cooling of trapped ions
  F. Schmidt-Kaler, J. Eschner, R. Blatt, D. Leibfried, C. Roos, G. Morigi
  in "Laser Physics at the limit", eds. H. Figger, D. Meschede, C. Zimmermann, Springer, Berlin, 2002.
  
  

• "Linear Ion Traps for Quantum Computation"
  H. C. Nägerl, F. Schmidt-Kaler, J. Eschner, R. Blatt, W. Lange, H. Baldauf, H. Walther
  in "The Physics of Quantum Information", eds. D. Bouwmeester, A. Ekert, A. Zeilinger, Springer, Berlin, 2000.
  
  

• Single- and Multi-Memory Quantum Key Distribution Protocols - Simulation and Implementation
  Martin Steinel, MSc thesis, UdS, 2020. (Copy on request)

• Single-ion based quantum interfaces for quantum-network applications
  Pascal Eich, PhD thesis, UdS, 2019. (Copy on request)

• Experimental distribution of entanglement in ion-photon quantum networks: photon pairs as a resource
  Stephan Kucera, PhD thesis, UdS, 2019. (Copy on request)

• Spektren der Resonanzfluoreszenz eines einzelnen Calciumions
  Max Bergerhoff, BSc Thesis, UdS, 2019

• Gleichgewichts- und Transienteneigenschaften eines Lasers mit kalten Yb-Atomen
  Anna Breunig, MSc thesis, UdS, 2019. (Copy on request)

• Permanent-magnet-based Zeeman field generation in an ion trap
  Omar Elshehy, MSc thesis, UdS, 2018. (Copy on request)

• Interfacing a single trapped ⁴⁰Ca⁺ ion in double passage configuration
  Floriane Brunel, MSc thesis, Sorbonne University & UdS, 2018.

• Quantum interfaces based on single photons from parametric down-conversion
  José M. Brito Rozas, PhD Thesis, UdS, 2016. (Copy on request)

• Charakterisierung eines seitlich gepumpten Atom-Cavity-Systems
  Anna Breunig, BSc Thesis, UdS, 2016

• Photonenpaarquelle für Einzelatom-Einzelphoton-Wechselwirkung
  Jan Arenskötter, MSc thesis, UdS, 2016. (Copy on request)

• Quantum networking with single ions and single photons interfaced in free space
  Christoph Kurz, PhD Thesis, UdS, 2015. (Copy on request)

• Single photons from single ions: quantum interference and distant ion interaction
  Michael Schug, PhD Thesis, UdS, 2015. (Copy on request)

• Experimental tools for quantum networking operations with single photons and single ions
  Jan Huwer, PhD thesis, UdS, 2014. (Copy on request)

• Frequency and Phase Stabilization of Diode Lasers using a Femtosecond Frequency Comb
  Pascal Eich, Diploma thesis, UdS, 2012.

• Controlled absorption of heralded photons by a single atom
  Nicolas Piro, PhD thesis, ICFO-UPC, 2010