44 citations · 131 across the 7 of their papers we have counts for
7 papers
Raman effects in Quantum Frequency Conversion using Bragg Scattering
Mathias Linde Holst Korsgaard, Jacob Gade Koefoed, Karsten Rottwitt
We present a quantum-mechanical model that describes fiber-based frequency conversion by four-wave-mixing Bragg scattering in the presence of Raman interactions. In the case of con…
Complete evolution equation for the joint amplitude in photon-pair generation
Jacob G. Koefoed, Karsten Rottwitt
As four-wave-mixing-based photon-pair sources mature, accurate modelling of the photon-pair properties becomes important. Unlike spontaneous parametric down-conversion, four-wave m…
Unidirectional frequency conversion in microring resonators for on-chip frequency-multiplexed single-photon sources
Mikkel Heuck, Jacob Gade Koefoed, Jesper Bjerge Christensen +4
Microring resonators are attractive for low-power frequency conversion via Bragg-scattering four-wave-mixing due to their comb-like resonance spectrum. However, conversion efficien…
Shape-preserving and unidirectional frequency conversion using four-wave mixing Bragg scattering
Jesper B. Christensen, Jacob G. Koefoed, Bryn A. Bell +2
In this work, we investigate the properties of four-wave mixing Bragg scattering in a configuration that employs orthogonally polarized pumps in a birefringent waveguide. This conf…
Engineering spectrally unentangled photon pairs from nonlinear microring resonators through pump manipulation
Jesper B. Christensen, Jacob G. Koefoed, Karsten Rottwitt +1
The future of integrated quantum photonics relies heavily on the ability to engineer refined methods for preparing the quantum states needed to implement various quantum protocols.…
Spectrally pure heralded single photons by spontaneous four-wave mixing in a fiber: reducing impact of dispersion fluctuations
Jacob G. Koefoed, Søren M. M. Friis, Jesper B. Christensen +1
We model the spectral quantum-mechanical purity of heralded single photons from a photon-pair source based on nondegenerate spontaneous four-wave mixing taking the impact of distri…