Karsten Rottwitt

Ørsted (Denmark) — Denmark

Engineering · Physical Sciences

33h-index4.7kcitations414works0.92yr avg
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Research Topics

Optical Network Technologies(214), Photonic and Optical Devices(137), Advanced Fiber Laser Technologies(127), Photonic Crystal and Fiber Optics(100), Advanced Photonic Communication Systems(76)

Publications414 total

Chip-to-chip hyperentanglement distribution and entanglement purification using silicon integrated photonics
arXiv (Cornell University)·2025Open Access
Tunable quantum frequency conversion enabled by intermodal nonlinearity in optical fiber
Optica Quantum·2025Open Access
High-dimensional Path-Encoded Entanglement Distribution Between Photonic Chips Enabled by Multimode Phase Stabilisation
arXiv (Cornell University)·2025Open Access
Entanglement Purification by Integrated Silicon Photonics
2025
Mode-Resolved Characterisation of Photonic Lantern-Based Quantum Links Using SPDC Photon Pairs
2025
Quantum state preserving frequency conversion using four-wave mixing in optical fibers: The impact of Raman scattering
2025
Entanglement Purification by Integrated Silicon Photonics
ArXiv.org·2025Open Access
Distributed Few-Mode Fiber Point Sensor
2025
A Novel Air-Gap Ring-Core Fiber for Low Inter-Core Crosstalk and Enhanced Fiber-Fuse Resistance
2025
Higher-Order Mode Pumping in Erbium-Doped Fiber Amplifiers
2025
Enhancing four-wave mixing efficiency in optical fibers: the role of core radius fluctuations and mitigation strategies
Optics Express·2025· 1 citedOpen Access
Spontaneous Parametric Down‐Conversion in 4H‐SiC Integrated Platform
Laser & Photonics Review·2025· 1 citedOpen Access
Spatial mode conversion of single photons at the C-band using in fiber long-period gratings
Scientific Reports·2025· 3 citedOpen Access
Efficient frequency conversion via a wide-spanning intermodal four-wave mixing Bragg scattering process
Optics Express·2025· 2 citedOpen Access
Fiber-Based Frequency Conversion of Single Photons via Intermodal Four-Wave Mixing
2025
Fully chip-based Entanglement Purification
2025
Repeaterless Brillouin OTDR Sensing
2025
Temperature-Dependent Raman Lasing Behavior in 4H-SiC Microring Resonators
2025
Characterizing Quantum Frequency Conversion via Classical Measurements
2025
Bright Asynchronous Heralded Single-Photon Source Using a-Si:H Waveguide
2024· 1 cited
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Frequent Co-authors

Yunhong Ding(11), Leif Katsuo Oxenløwe(11), Davide Bacco(9), H.D. Kidorf(6), Lars Grüner-Nielsen(6), J.H. Povlsen(6), Daniele Cozzolino(5), Beatrice Da Lio(5), Michael Galili(5), A.J. Stentz(4), Jesper B. Christensen(4), Haiyan Ou(4), Siddharth Ramachandran(3), Francesco Da Ros(3), Toshio Morioka(3), Michael G. Raymer(3), C. J. McKinstrie(3), L. Mejling(3), Erik N. Christensen(3), Jacob G. Koefoed(3)