The potential and global outlook of integrated photonics for quantum technologies
E. Pelucchi, G. Fagas, I. Aharonovich, D. Englund, E. Figueroa, Q. Gong, H. Hannes, J. Liu, C.-Y. Lu, N. Matsuda, J.-W. Pan, F. Schreck, F. Sciarrino, C. Silberhorn, J. Wang, K. Jöns, Nature Reviews Physics 4 (2021) 194–208.

Phase Noise Investigation for a Radar System with Optical Clock Distribution 
S. Kruse, M. Bahmanian, P. Kneuper, C. Kress, H.G. Kurz, T. Schneider, C. Scheytt, in: The 17th European Radar Conference, Jaarbeurs Utrecht, Netherlands , 2021.

Managing spectral properties and Schmidt mode content of squeezed vacuum light using sum-frequency converter
V. Sukharnikov, P. Sharapova, O. Tikhonova, Optics &;amp; Laser Technology 136 (2021).

Quantum optical coherence: From linear to nonlinear interferometers
K.H. Luo, M. Santandrea, M. Stefszky, J. Sperling, M. Massaro, A. Ferreri, P. Sharapova, H. Herrmann, C. Silberhorn, Physical Review A (2021).

Quantifying Quantum Coherence in Polariton Condensates
C. Lüders, M. Pukrop, E. Rozas, C. Schneider, S. Höfling, J. Sperling, S. Schumacher, M. Aßmann, PRX Quantum (2021).

Probing the topological Anderson transition with quantum walks
D. Bagrets, K.W. Kim, S. Barkhofen, S. De, J. Sperling, C. Silberhorn, A. Altland, T. Micklitz, Physical Review Research (2021).

Split-ring polariton condensates as macroscopic two-level quantum systems
Y. Xue, I. Chestnov, E. Sedov, E. Kiktenko, A.K. Fedorov, S. Schumacher, X. Ma, A. Kavokin, Physical Review Research 3 (2021).

Spin Polarization, Electron–Phonon Coupling, and Zero-Phonon Line of the NV Center in 3C-SiC
H. Jurgen von Bardeleben, J.-L. Cantin, U. Gerstmann, W.G. Schmidt, T. Biktagirov, Nano Letters 21 (2021) 8119–8125.

Adatom mediated adsorption of            <scp>Nheterocyclic</scp>            carbenes on Cu(111) and Au(111)
M. Jain, U. Gerstmann, W.G. Schmidt, H. Aldahhak, Journal of Computational Chemistry 43 (2021) 413–420.

Neighboring Atom Collisions in Solid-State High Harmonic Generation
R. Zuo, A. Trautmann, G. Wang, W.-R. Hannes, S. Yang, X. Song, T. Meier, M. Ciappina, H.T. Duc, W. Yang, Ultrafast Science 2021 (2021).

Low-field onset of Wannier-Stark localization in a polycrystalline hybrid organic inorganic perovskite
D. Berghoff, J. Bühler, M. Bonn, A. Leitenstorfer, T. Meier, H. Kim, Nature Communications 12 (2021).

Microscopic analysis of high harmonic generation in semiconductors with degenerate bands
L.H. Thong, C. Ngo, H.T. Duc, X. Song, T. Meier, Physical Review B 103 (2021) 085201.

Electron polarons in lithium niobate: Charge localization, lattice deformation, and optical response
F. Schmidt, A.L. Kozub, U. Gerstmann, W.G. Schmidt, A. Schindlmayr, Crystals 11 (2021) 542.

Coherent and incoherent contribution of population dynamics of semiconductor exciton-polaritons
T. Meier, J. Paul, H. Rose, J.K. Wahlstrand, A.D. Bristow, in: Frontiers in Optics, Frontiers in Optics, 2021.

Controlling the emission time of photon echoes by optical freezing of exciton dephasing and rephasing in quantum-dot ensembles
M. Reichelt, H. Rose, A.N. Kosarev, S.V. Poltavtsev, M. Bayer, I.A. Akimov, C. Schneider, M. Kamp, S. Höfling, T. Meier, in: M. Betz, A.Y. Elezzabi (Eds.), Ultrafast Phenomena and Nanophotonics XXV, 2021.

Electronic structure of the Si(111)3×3B surface from theory and photoemission spectroscopy
H. Aldahhak, C. Hogan, S. Lindner, S. Appelfeller, H. Eisele, W.G. Schmidt, M. Dähne, U. Gerstmann, M. Franz, Physical Review B 103 (2021) 035303.

Dark-state and loss-induced phenomena in the quantum-optical regime of 9b-type three-level systems
H. Rose, D.V. Popolitova, O.V. Tikhonova, T. Meier, P. Sharapova, Physical Review A 103 (2021).

Approximate nonlinear wave solutions of the coupled two-component Gross–Pitaevskii equations with spin–orbit interaction
D.B. Belobo, T. Meier, New Journal of Physics 23 (2021).

Potassium titanyl phosphate Z- and Y-cut surfaces from density-functional theory
S. Neufeld, A. Bocchini, W.G. Schmidt, Physical Review Materials (2021).

Surface localized phonon modes at the Si(553)-Au nanowire system
J. Plaickner, E. Speiser, C. Braun, W.G. Schmidt, N. Esser, S. Sanna, Physical Review B (2021).