Cryogenic electro-optic polarisation conversion in titanium in-diffused lithium niobate waveguides
F. Thiele, F. vom Bruch, V. Quiring, R. Ricken, H. Herrmann, C. Eigner, C. Silberhorn, T. Bartley, Optics Express (2020).

Spatially single mode photon pair source at 800 nm in periodically poled Rubidium exchanged KTP waveguides
C. Eigner, L. Padberg, M. Santandrea, H. Herrmann, B. Brecht, C. Silberhorn, Optics Express 28 (2020).

Free and defect-bound (bi)polarons in LiNbO3: Atomic structure and spectroscopic signatures from ab initio calculations
F. Schmidt, A.L. Kozub, T. Biktagirov, C. Eigner, C. Silberhorn, A. Schindlmayr, W.G. Schmidt, U. Gerstmann, Physical Review Research 2 (2020).

Understanding gray track formation in KTP: Ti^3+ centers studied from first principles
A. Bocchini, C. Eigner, C. Silberhorn, W.G. Schmidt, U. Gerstmann, Phys. Rev. Materials 4 (2020) 124402.

Characterisation of width-dependent diffusion dynamics in rubidium-exchanged KTP waveguides
L. Padberg, M. Santandrea, M. Rüsing, J. Brockmeier, P. Mackwitz, G. Berth, A. Zrenner, C. Eigner, C. Silberhorn, Optics Express (2020).

Counter-propagating photon pair generation in a nonlinear waveguide
K.-H. Luo, V. Ansari, M. Massaro, M. Santandrea, C. Eigner, R. Ricken, H. Herrmann, C. Silberhorn, Optics Express (2019).

Engineering integrated photon pair sources and multiplexed detectors (Conference Presentation)
E. Meyer-Scott, N. Prasannan, N. Montaut, J. Tiedau, C. Eigner, G. Harder, L. Sansoni, T. Nitsche, H. Herrmann, R. Ricken, V. Quiring, T. Bartley, S. Barkhofen, C. Silberhorn, in: Z.U. Hasan, P.R. Hemmer, A.L. Migdall (Eds.), Advances in Photonics of Quantum Computing, Memory, and Communication XII, 2019.

Herstellung von Wellenleitern aus Materialien der KTP-Familie
L. Padberg, C. Eigner, M. Santandrea, C. Silberhorn, (2019).

Counter-propagating photon pair generation in a nonlinear waveguide
K.H. Luo, V. Ansari, M. Massaro, M. Santandrea, C. Eigner, R. Ricken, H. Herrmann, C. Silberhorn, Optics Express (2019).

Nonlinear integrated quantum electro-optic circuits
K.-H. Luo, S. Brauner, C. Eigner, P. Sharapova, R. Ricken, T. Meier, H. Herrmann, C. Silberhorn, Science Advances 5 (2019).

Periodically poled ridge waveguides in KTP for second harmonic generation in the UV regime
C. Eigner, M. Santandrea, L. Padberg, M.F. Volk, C.E. Rüter, H. Herrmann, D. Kip, C. Silberhorn, Optics Express (2018).

Heralded generation of high-purity ultrashort single photons in programmable temporal shapes
V. Ansari, E. Roccia, M. Santandrea, M. Doostdar, C. Eigner, L. Padberg, I. Gianani, M. Sbroscia, J.M. Donohue, L. Mancino, M. Barbieri, C. Silberhorn, Optics Express (2018).

Engineering integrated sources of entangled photon pairs
E. Meyer-Scott, N. Prasannan, N. Montaut, J. Tiedau, G. Harder, L. Sansoni, H. Herrmann, C. Eigner, R. Ricken, V. Quiring, T. Bartley, S. Barkhofen, C. Silberhorn, in: Frontiers in Optics / Laser Science, 2018.

Engineering integrated sources of entangled photon pairs
E. Meyer-Scott, N. Prasannan, N. Montaut, J. Tiedau, G. Harder, L. Sansoni, H. Herrmann, C. Eigner, R. Ricken, V. Quiring, T.J. Bartley, S. Barkhofen, C. Silberhorn, in: Frontiers in Optics / Laser Science, 2018.

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, J.M. Donohue, S. Barkhofen, C. Silberhorn, Optics Express (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 (2018).

Streak camera imaging of single photons at telecom wavelength
M. Allgaier, V. Ansari, C. Eigner, V. Quiring, R. Ricken, J.M. Donohue, T. Czerniuk, M. Aßmann, M. Bayer, B. Brecht, C. Silberhorn, Applied Physics Letters 112 (2018).

Monolithically Integrated Hong-Ou-Mandel Experiment in LiNbO3
K.H. Luo, S. Brauner, C. Eigner, P. Sharapova, R. Ricken, T. Meier, H. Herrmann, C. Silberhorn, in: Conference on Lasers and Electro-Optics, OSA, 2018.

Imaging of 180 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, C. Silberhorn, W.G. Schmidt, G. Berth, A. Zrenner, S. Sanna, Physical Review Materials 2 (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 (2017).