809 citations · 2.3k across the 19 of their papers we have counts for
19 papers
Towards fully-fledged quantum and classical communication over deployed fiber with up-conversion module
Davide Bacco, Ilaria Vagniluca, Daniele Cozzolino +7
Quantum key distribution (QKD), the distribution of quantum secured keys useful for data encryption, is expected to have a crucial impact in the next decades. However, although the…
Path-encoded high-dimensional quantum communication over a 2 km multicore fiber
Beatrice Da Lio, Daniele Cozzolino, Nicola Biagi +5
Quantum key distribution (QKD) protocols based on high-dimensional quantum states have shown the route to increase the key rate generation while benefiting of enhanced error tolera…
Stable transmission of high-dimensional quantum states over a 2 km multicore fiber
Beatrice Da Lio, Davide Bacco, Daniele Cozzolino +7
High-dimensional quantum states have already settled their advantages in different quantum technology applications. However, their reliable transmission in fiber links remains an o…
Boosting the secret key rate in a shared quantum and classical fibre communication system
Davide Bacco, Beatrice Da Lio, Daniele Cozzolino +14
During the last 20 years, the advance of communication technologies has generated multiple exciting applications. However, classical cryptography, commonly adopted to secure curren…
Chip-to-chip quantum teleportation and multi-photon entanglement in silicon
Daniel Llewellyn, Yunhong Ding, Imad I. Faruque +17
Exploiting semiconductor fabrication techniques, natural carriers of quantum information such as atoms, electrons, and photons can be embedded in scalable integrated devices. Integ…
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…
Hong-Ou-Mandel interference between independent III-V on silicon waveguide integrated lasers
C. Agnesi, B. Da Lio, D. Cozzolino +12
The versatility of silicon photonic integrated circuits has led to a widespread usage of this platform for quantum information based applications, including Quantum Key Distributio…
Experimental demonstration of the DPTS QKD protocol over a 170 km fiber link
Beatrice Da Lio, Davide Bacco, Daniele Cozzolino +4
Quantum key distribution (QKD) is a promising technology aiming at solving the security problem arising from the advent of quantum computers. While the main theoretical aspects are…
Generation and sampling of quantum states of light in a silicon chip
Stefano Paesani, Yunhong Ding, Raffaele Santagati +7
Implementing large instances of quantum algorithms requires the processing of many quantum information carriers in a hardware platform that supports the integration of different co…
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…
Multidimensional quantum entanglement with large-scale integrated optics
Jianwei Wang, Stefano Paesani, Yunhong Ding +16
The ability to control multidimensional quantum systems is key for the investigation of fundamental science and for the development of advanced quantum technologies. Here we demons…
Orbital angular momentum states enabling fiber-based high-dimensional quantum communication
Daniele Cozzolino, Davide Bacco, Beatrice Da Lio +8
Quantum networks are the ultimate target in quantum communication, where many connected users can share information carried by quantum systems. The keystones of such structures are…
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.…
Space division multiplexing chip-to-chip quantum key distribution
Davide Bacco, Yunhong Ding, Kjeld Dalgaard +2
Quantum cryptography is set to become a key technology for future secure communications. However, to get maximum benefit in communication networks, transmission links will need to…
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…
Effects of Raman scattering and attenuation in silica fiber-based parametric frequency conversion
Søren M. M. Friis, Lasse Mejling, Karsten Rottwitt
Four-wave mixing in the form of Bragg scattering (BS) has been predicted to enable quantum noise less frequency conversion by analytic quantum approaches. Using a semi-classical de…
Photon-pair generation by non-instantaneous spontaneous four-wave mixing
Jacob G. Koefoed, Jesper B. Christensen, Karsten Rottwitt
We present a general model, based on a Hamiltonian approach, for the joint quantum state of photon pairs generated through pulsed spontaneous four-wave mixing, including nonlinear…
High-Dimensional Quantum Key Distribution based on Multicore Fiber using Silicon Photonic Integrated Circuits
Yunhong Ding, Davide Bacco, Kjeld Dalgaard +4
Quantum Key Distribution (QKD) provides an efficient means to exchange information in an unconditionally secure way. Historically, QKD protocols have been based on binary signal fo…
Two-dimensional distributed-phase-reference protocol for quantum key distribution
Davide Bacco, Jesper Bjerge Christensen, Mario A. Usuga Castaneda +4
Quantum key distribution (QKD) and quantum communication enable the secure exchange of information between remote parties. Currently, the distributed-phase-reference (DPR) protocol…