125 citations · 888 across the 35 of their papers we have counts for
22 papers · 1 filter
Sub-shot-noise emission statistics of a CW-excited single photon source
G. Gavello, G. Petrini, I. Ruo Berchera +8
Shot noise sets a fundamental limit on the sensitivity of classical optical measurements, with coherent emitters achieving the lowest possible shot-noise level. Emission from sub-P…
Interplay between dressed and strong-axial-field states in Nitrogen-Vacancy centers for quantum sensing and computation
G. Zanelli, E. Moreva, E. Bernardi +7
The Nitrogen-Vacancy (NV) center in diamond is an intriguing electronic spin system with applications in quantum radiometry, sensing and computation. In those experiments, a bias m…
Mode structure reconstruction by detected and undetected light
Laura T. Knoll, Giulia Petrini, Fabrizio Piacentini +5
We introduce a novel technique for the reconstruction of multimode optical fields, based on simultaneously exploiting both the generalized Glauber's -order correlation func…
Spectral emission dependence of tin-vacancy centers in diamond from thermal processing and chemical functionalization
Emilio Corte, Selene Sachero, Sviatoslav Ditalia Tchernij +9
We report a systematic photoluminescence (PL) investigation of the spectral emission properties of individual optical defects fabricated in diamond upon ion implantation and anneal…
Spectral features of Pb-related color centers in diamond
Sviatoslav Ditalia Tchernij, Emilio Corte, Tobias Lühmann +9
We report on the systematic characterization of the optical properties of diamond color centers based on Pb impurities. An ensemble photoluminescence analysis of their spectral emi…
Practical applications of quantum sensing: a simple method to enhance sensitivity of Nitrogen-Vacancy-based temperature sensors
E. Moreva, E. Bernardi, P. Traina +9
Nitrogen-vacancy centers in diamond allow measurement of environment properties such as temperature, magnetic and electric fields at nanoscale level, of utmost relevance for severa…
Twin beam quantum-enhanced correlated interferometry for testing fundamental physics
S. T. Pradyumna, E. Losero, I. Ruo-Berchera +7
Quantum metrology deals with improving the resolution of instruments that are otherwise limited by shot noise and it is therefore a promising avenue for enabling scientific breakth…
Feasibility study towards comparison of the g^(2)(0) measurement in the visible range
E. Moreva, P. Traina, R. A. Kirkwood +11
This work reports on the pilot study, performed by INRIM, NPL and PTB, on the measurement of the g^(2)(0) parameter in the visible spectral range of a test single-photon source bas…
Single-photon-emitting optical centers in diamond fabricated upon Sn implantation
S. Ditalia Tchernij, T. Herzig, J. Forneris +11
The fabrication of luminescent defects in single-crystal diamond upon Sn implantation and annealing is reported. The relevant spectral features of the optical centers (emission pea…
Direct experimental observation of nonclassicality in ensembles of single photon emitters
E. Moreva, P. Traina, J. Forneris +6
In this work we experimentally demonstrate for the first time a recently proposed criterion adressed to detect nonclassical behavior in the fluorescence emission of ensembles of si…
Creation and characterization of He-related color centers in diamond
Jacopo Forneris, Andrea Tengattini, Sviatoslav Ditalia Tchernij +11
Diamond is a promising material for the development of emerging applications in quantum optics, quantum information and quantum sensing. The fabrication and characterization of nov…
Towards joint reconstruction of noise and losses in quantum channels
F. Piacentini, A. Avella, P. Traina +7
The calibration of a quantum channel, i.e. the determination of the transmission losses affecting it, is definitely one of the principal objectives in both the quantum communicatio…
Two-mode squeezed vacuum and squeezed light in correlated interferometry
I. Ruo Berchera, I. P. Degiovanni, S. Olivares +3
We study in detail a system of two interferometers aimed to the detection of extremely faint phase-fluctuations. This system can represent a breakthrough for detecting a faint corr…
Quantum and classical characterization of single/few photon detectors
M. G. Mingolla, F. Piacentini, A. Avella +10
This paper's purpose is to review the results recently obtained in the Quantum Optics labs of the National Institute of Metrological Research (INRIM) in the field of single- and fe…
Experimental Test of an Event-Based Corpuscular Model Modification as an Alternative to Quantum Mechanics
Giorgio Brida, Ivo Pietro Degiovanni, Marco Genovese +4
We present the first experimental test that distinguishes between an event-based corpuscular model (EBCM) [H. De Raedt et al.: J. Comput. Theor. Nanosci. 8 (2011) 1052] of the inte…
An extremely low-noise heralded single-photon source: a breakthrough for quantum technologies
G. Brida, I. P. Degiovanni, M. Genovese +11
Low noise single-photon sources are a critical element for quantum technologies. We present a heralded single-photon source with an extremely low level of residual background photo…
Experimental realization of Counterfactual Quantum Cryptography
Giorgio Brida, Andrea Cavanna, Ivo Pietro Degiovanni +2
In counterfactual QKD information is transfered, in a secure way, between Alice and Bob even when no particle carrying the information is in fact transmitted between them. In this…
Experimental quantum cryptography scheme based on orthogonal states
Alessio Avella, Giorgio Brida, Ivo Pietro Degiovanni +3
Since, in general, non-orthogonal states cannot be cloned, any eavesdropping attempt in a Quantum Communication scheme using non-orthogonal states as carriers of information introd…
State reconstruction by on/off measurements
A. Allevi, A. Andreoni, M. Bondani +7
We demonstrate a state reconstruction technique which provides either the Wigner function or the density matrix of a field mode and requires only avalanche photodetectors, without…
Quantum state reconstruction using binary data from on/off photodetection
G. Brida, M. Genovese, M. Gramegna +6
The knowledge of the density matrix of a quantum state plays a fundamental role in several fields ranging from quantum information processing to experiments on foundations of quant…
Review on qudits production and their application to Quantum Communication and Studies on Local Realism
Marco Genovese, Paolo Traina
The codification in higher dimensional Hilbert Spaces (whose logical basis states are dubbed qudits in analogy with bidimensional qubits) presents various advantages both for Quant…
Recent experiments performed at "Carlo Novero" lab at INRIM on Quantum Information and Foundations of Quantum Mechanics
G. Brida, N. Antonietti, M. Gramegna +6
In this paper we present some recent work performed at "Carlo Novero" lab on Quantum Information and Foundations of Quantum Mechanics.