Christof Eigner
Christof Eigner
Integrated Quantum Optics, Paderborn University
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Highly efficient frequency conversion with bandwidth compression of quantum light
M Allgaier, V Ansari, L Sansoni, C Eigner, V Quiring, R Ricken, G Harder, ...
Nature Communications 8, 2017
Heralded generation of high-purity ultrashort single photons in programmable temporal shapes
V Ansari, E Roccia, M Santandrea, M Doostdar, C Eigner, L Padberg, ...
Optics Express 26 (3), 2764-2774, 2018
Waveguide Cavity Resonator as a Source of Optical Squeezing
M Stefszky, R Ricken, C Eigner, V Quiring, H Herrmann, C Silberhorn
Physical Review Applied 7 (4), 044026, 2017
Nonlinear integrated quantum electro-optic circuits
KH Luo, S Brauner, C Eigner, PR Sharapova, R Ricken, T Meier, ...
Science Advances 5 (1), eaat1451, 2019
High-performance source of spectrally pure, polarization entangled photon pairs based on hybrid integrated-bulk optics
E Meyer-Scott, N Prasannan, C Eigner, V Quiring, JM Donohue, ...
Optics Express 26 (25), 32475-32490, 2018
A two-channel, spectrally degenerate polarization entangled source on chip
L Sansoni, KH Luo, C Eigner, R Ricken, V Quiring, H Herrmann, ...
npj Quantum Information 3 (1), 5, 2017
Fast time-domain measurements on telecom single photons
M Allgaier, G Vigh, V Ansari, C Eigner, V Quiring, R Ricken, B Brecht, ...
Quantum Science and Technology 2 (3), 034012, 2017
Fabrication of low-loss Rb-exchanged ridge waveguides in z-cut KTiOPO4
MF Volk, CE Rüter, M Santandrea, C Eigner, L Padberg, H Herrmann, ...
Optical Materials Express 8 (1), 82-87, 2018
Periodically poled ridge waveguides in KTP for second harmonic generation in the UV regime
C Eigner, M Santandrea, L Padberg, MF Volk, CE Rüter, H Herrmann, ...
Optics Express 26 (22), 28827-28833, 2018
Identification of ferroelectric domain structure sensitive phonon modes in potassium titanyl phosphate: A fundamental study
M Rüsing, C Eigner, P Mackwitz, G Berth, C Silberhorn, A Zrenner
Journal of Applied Physics 119 (4), 044103, 2016
Counter-propagating photon pair generation in a nonlinear waveguide
KH Luo, V Ansari, M Massaro, M Santandrea, C Eigner, R Ricken, ...
Optics Express 28 (3), 3215-3225, 2020
Imaging of ferroelectric domain walls in uniaxial ferroelectrics by confocal Raman spectroscopy: Unraveling the contrast mechanism
M Rüsing, S Neufeld, J Brockmeier, C Eigner, P Mackwitz, K Spychala, ...
Physical Review Materials 2 (10), 103801, 2018
High-power waveguide resonator second harmonic device with external conversion efficiency up to 75%
M Stefszky, R Ricken, C Eigner, V Quiring, H Herrmann, C Silberhorn
Journal of Optics 20 (6), 065501, 2018
Streak camera imaging of single photons at telecom wavelength
M Allgaier, V Ansari, C Eigner, V Quiring, R Ricken, JM Donohue, ...
Applied Physics Letters 112 (3), 031110, 2018
Characterisation of width-dependent diffusion dynamics in rubidium-exchanged KTP waveguides
L Padberg, M Santandrea, M Rüsing, J Brockmeier, P Mackwitz, G Berth, ...
Optics Express 28 (17), 24353-24362, 2020
Cryogenic second harmonic generation in periodically-poled lithium niobate waveguides
M Bartnick, M Santandrea, JP Hoepker, F Thiele, R Ricken, V Quiring, ...
arXiv preprint arXiv:2005.07500, 2020
Pulse shaping using dispersion-engineered difference frequency generation
M Allgaier, V Ansari, JM Donohue, C Eigner, V Quiring, R Ricken, ...
Physical Review A 101 (4), 043819, 2020
Exponential enhancement of multi-photon entanglement rate via quantum interference buffering
E Meyer-Scott, N Prasannan, I Dhand, C Eigner, V Quiring, S Barkhofen, ...
arXiv preprint arXiv:1908.05722, 2019
Monolithically Integrated Hong-Ou-Mandel Experiment in LiNbO3
KH Luo, S Brauner, C Eigner, PR Sharapova, R Ricken, T Meier, ...
CLEO: QELS_Fundamental Science, FM1G. 3, 2018
Understanding gray track formation in KTP: centers studied from first principles
A Bocchini, C Eigner, C Silberhorn, WG Schmidt, U Gerstmann
Physical Review Materials 4 (12), 124402, 2020
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