Publications

2012

• P. Hyllus; W. Laskowski; R. Krischek; C. Schwemmer; W. Wieczorek; H. Weinfurter; L. Pezzé; A. Smerzi
  Fisher information and multiparticle entanglement
  Phys. Rev. A 85, 022321 (2012)

2011

• R. Krischek; C. Schwemmer; W. Wieczorek; H. Weinfurter; P. Hyllus; L. Pezze; A. Smerzi
  Useful Multiparticle Entanglement and Sub-Shot-Noise Sensitivity in Experimental Phase Estimation
  Phys. Rev. Lett. 107, 080504 (2011)

2010

• G. Tóth; W. Wieczorek; D. Gross; R. Krischek; C. Schwemmer; H. Weinfurter
  Permutationally Invariant Quantum Tomography
  Phys. Rev. Lett. 105, 250403 (2010)
• R. Krischek; W. Wieczorek; A. Ozawa; N. Kiesel; P. Michelberger; T. Udem; H. Weinfurter
  Ultraviolet enhancement cavity for ultrafast nonlinear optics and high-rate multiphoton entanglement experiments
  Nature Photonics 4, 170 (2010)

2009

• W. Wieczorek; R. Krischek; N. Kiesel; P. Michelberger; G. Toth; H. Weinfurter
  Experimental Entanglement of a Six-Photon Symmetric Dicke State
  Phys. Rev. Lett. 103, 020504 (2009)
• G. Toth; W. Wieczorek; R. Krischek; N. Kiesel; P. Michelberger; H. Weinfurter
  Practical methods for witnessing genuine multi-qubit entanglement in the vicinity of symmetric states
  New J. Phys. 11, 083002 (2009)

Proceedings, Book Articles

• W. Wieczorek; R. Krischek; N. Kiesel; C. Schmid; H. Weinfurter
  Entanglement enhanced quantum sensing
  Proceedings of SPIE-The International Society for Optical Engineering Quantum Sensing and Nanophotonic Devices VII 7608. SPIE, Seq. No.: 76080P (2010)
• W. Wieczorek; R. Krischek; P. Michelberger; H. Weinfurter; A. Ozawa; T. Udem; G. Tóth
  Six-photon entangled Dicke state enabled by a UV enhancement cavity as novel SPDC photon source
  Quantum Optics Proceedings of SPIE 7727, 77270L (2010)

Ph.D Theses

• R. Krischek
  Experimental multi-photon entanglement and quantum enhanced metrology
  July 2011