christian image Christian Kurtsiefer


Centre for Quantum Technologies - Quantum Optics section (group site)

Room S15-02-04
Department of Physics / Centre for Quantum Technologies
National University of Singapore
3 Science Drive 2
117542 Singapore

Tel. +65-6516-1250 (office)
email: phyck at

Research Interests Experimental Quantum Information and Communication,
Single Photon Technologies, Atom-Light interaction

Teaching @ NUS
PC 4246 - Quantum Optics
PC 4243 - Atomic and Molecular Physics 2
PC 3193 - Experimental Physics 2 (3rd year lab)
PC 5214 - Principles of Experimental Physics
PC 2132 - Classical Mechanics

  • Ph.D. in Experimental Phyiscs in the field of Atom Optics/Interferometry (1997, Universität Konstanz, Germany)
  • Postdoc at IBM Almaden Research Center, San Jose, CA on an ion trap experiment (1997-1999)
  • Scientific Staff at Ludwigs-Maximilians-Universität München, Germany (1999-2003)
  • Faculty Member at the Physics Department of the National University of Singapore since 2003
  • Principal Investigator at the Centre fro Quantum Technologies in NUS since 2008

Representative Publications
pencil_beams Atom-Photon interface M.K. Tey, Z. Chen, S.A. Aljunid, B. Chng, F. Huber, G. Maslennikov and Ch. Kurtsiefer: Strong interaction between light and a single trapped atom without the need for a cavity
Nature Physics 4, 924 (2008)
4phot_icon Four Photon States M. Eibl, S. Gaertner, M. Mourennane, Ch. Kurtsiefer, M. Zukowski, H. Weinfurter: Four photon entanglement from down-conversion
Phys. Rev. Lett. 90, 200403 (2003)
Quantum Cryptography Ch. Kurtsiefer, P. Zarda, Matthäus Halder; H. Weinfurter, P.M. Gorman, P.R. Tapster, and J.G. Rarity: A steptowards global key distribution
Nature 419, 450 (2002)
Single Photon Source
Ch. Kurtsiefer, P. Zarda, S. Mayer, and H. Weinfurter: A stable solid-state source of single photons
Phys. Rev. Lett.  85, 290  (2000)
Entangled Photon Pairs

Ch. Kurtsiefer, M. Oberparleiter, and H. Weinfurter: High efficiency entangled photon pair collection in type II parametric fluorescence
Phys. Rev. A 64, 010102(R) (2001)
Atomic Matter waves
Ch. Kurtsiefer, T. Pfau, and J.Mlynek: Experimental determination of the motional Wigner function of a Helium atom
Nature 386, 150 (1997)

see full academic CV

last change: 04.07.2009