Linda Sansoni
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View article: Experimental protocol for qubit-environment entanglement detection
Experimental protocol for qubit-environment entanglement detection Open
Decoherence is a manifestation of the coupling of a system with its environment. The resulting loss of information can hamper the functioning of quantum devices; hence, there is a need to understand its origin and dynamics. Decoherence can…
View article: An experimental investigation of quantum frequency correlations resilience against white and colored noise
An experimental investigation of quantum frequency correlations resilience against white and colored noise Open
Quantum technologies based on photons rely on correlated pairs generated through nonlinear optics. Hence, understanding the impact of disturbances is of paramount importance for the development of this innovative field. Here we focus on th…
View article: Near infrared quantum ghost spectroscopy for threats detection
Near infrared quantum ghost spectroscopy for threats detection Open
Quantum sensing is a rapidly growing branch of research within the area of quantum science and technology offering key resources, beyond classical ones, with potential for commercialization of novel (quantum) sensors. The exploitation of q…
View article: Experimental protocol for qubit-environment entanglement detection
Experimental protocol for qubit-environment entanglement detection Open
Decoherence is a manifestation of the coupling of a system with its environment. The resulting loss of information can hamper the functioning of quantum devices, hence the need of understanding its origin and dynamics. Decoherence can stem…
View article: Experimental Investigation of Superdiffusion via Coherent Disordered Quantum Walks
Experimental Investigation of Superdiffusion via Coherent Disordered Quantum Walks Open
Many disordered systems show a superdiffusive dynamics, intermediate between the diffusive one, typical of a classical stochastic process, and the so-called ballistic behavior, which is generally expected for the spreading in a quantum pro…
View article: Detailed study of Gaussian boson sampling
Detailed study of Gaussian boson sampling Open
Since the development of Boson sampling, there has been a quest to construct\nmore efficient and experimentally feasible protocols to test the computational\ncomplexity of sampling from photonic states. In this paper we interpret and\nexte…
View article: Probing measurement-induced effects in quantum walks via recurrence
Probing measurement-induced effects in quantum walks via recurrence Open
The effects of projective measurements on the quantum mechanical evolution of a particle can be simulated with coherent light.
View article: Tomography and Purification of the Temporal-Mode Structure of Quantum Light
Tomography and Purification of the Temporal-Mode Structure of Quantum Light Open
High-dimensional quantum information processing promises capabilities beyond the current state of the art, but addressing individual information-carrying modes presents a significant experimental challenge. Here we demonstrate effective hi…
View article: Proposal for Quantum Simulation via All-Optically-Generated Tensor Network States
Proposal for Quantum Simulation via All-Optically-Generated Tensor Network States Open
We devise an all-optical scheme for the generation of entangled multimode photonic states encoded in temporal modes of light. The scheme employs a nonlinear down-conversion process in an optical loop to generate one- and higher-dimensional…
View article: Gaussian Boson Sampling
Gaussian Boson Sampling Open
Boson sampling has emerged as a tool to explore the advantages of quantum over classical computers as it does not require universal control over the quantum system, which favors current photonic experimental platforms. Here, we introduce G…
View article: Limits on the heralding efficiencies and spectral purities of spectrally filtered single photons from photon-pair sources
Limits on the heralding efficiencies and spectral purities of spectrally filtered single photons from photon-pair sources Open
Photon pairs produced by parametric down-conversion or four-wave mixing can interfere with each other in multiport interferometers, or carry entanglement between distant nodes for use in entanglement swapping. This requires the photons be …
View article: A two-channel, spectrally degenerate polarization entangled source on chip
A two-channel, spectrally degenerate polarization entangled source on chip Open
View article: Highly efficient frequency conversion with bandwidth compression of quantum light
Highly efficient frequency conversion with bandwidth compression of quantum light Open
View article: Driven Boson Sampling
Driven Boson Sampling Open
Sampling the distribution of bosons that have undergone a random unitary evolution is strongly believed to be a computationally hard problem. Key to outperforming classical simulations of this task is to increase both the number of input p…
View article: Temporal-mode tomography of single photons
Temporal-mode tomography of single photons Open
We employ a tailored sum-frequency generation process, the quantum pulse gate (QPG), to perform arbitrary projective measurements on the temporal modes (TMs) of genuine non-classical states. To prepare non-classical states, we herald both …
View article: Driven discrete time quantum walks
Driven discrete time quantum walks Open
We introduce the driven discrete time quantum walk, where walkers are added\nduring the walk instead of only at the beginning. This leads to interference in\nwalker number and very different dynamics when compared to the original quantum\n…
View article: Dual-path source engineering in integrated quantum optics
Dual-path source engineering in integrated quantum optics Open
Quantum optics in combination with integrated optical devices shows great\npromise for efficient manipulation of single photons. New physical concepts,\nhowever, can only be found when these fields truly merge and reciprocally\nenhance eac…
View article: Particle Statistics Affects Quantum Decay and Fano Interference
Particle Statistics Affects Quantum Decay and Fano Interference Open
Quantum mechanical decay, Fano interference, and bound states with energy in the continuum are ubiquitous phenomena in different areas of physics. Here we experimentally demonstrate that particle statistics strongly affects quantum mechani…