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866 results on '"Cozzolino, D."'

10. Efficient time-bin encoding for practical high-dimensional quantum key distribution

Author

Vagniluca, I., Da Lio, B., Rusca, D., Cozzolino, D., Ding, Y., Zbinden, H., Zavatta, A., Oxenløwe, L. K., and Bacco, D.

Subjects
Quantum Physics
Abstract

High-dimensional quantum key distribution (QKD) allows to achieve information-theoretic secure communications, providing high key generation rates which cannot in principle be obtained by QKD protocols with binary encoding. Nonetheless, the amount of experimental resources needed increases as the quantum states to be detected belong to a larger Hilbert space, thus raising the costs of practical high-dimensional systems. Here, we present a novel scheme for fiber-based 4-dimensional QKD, with time and phase encoding and one-decoy state technique. Quantum states transmission is tested over different channel lengths up to 145 km of standard single-mode fiber, evaluating the enhancement of the secret key rate in comparison to the three-state 2-dimensional BB84 protocol, which is tested with the same experimental setup. Our scheme allows to measure the 4-dimensional states with a simplified and compact receiver, where only two single-photon detectors are necessary, thus making it a cost-effective solution for practical and fiber-based QKD., Comment: to appear in Phys. Rev. Applied

Published
2020
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12. Hong-Ou-Mandel interference between independent III-V on silicon waveguide integrated lasers

Author

Agnesi, C., Da Lio, B., Cozzolino, D., Cardi, L., Bakir, B. Ben, Hassan, K., Della Frera, A., Ruggeri, A., Giudice, A., Vallone, G., Villoresi, P., Tosi, A., Rottwitt, K., Ding, Y., and Bacco, D.

Subjects
Quantum Physics
Abstract

The versatility of silicon photonic integrated circuits has led to a widespread usage of this platform for quantum information based applications, including Quantum Key Distribution (QKD). However, the integration of simple high repetition rate photon sources is yet to be achieved. The use of weak-coherent pulses (WCPs) could represent a viable solution. For example, Measurement Device Independent QKD (MDI-QKD) envisions the use of WCPs to distill a secret key immune to detector side channel attacks at large distances. Thus, the integration of III-V lasers on silicon waveguides is an interesting prospect for quantum photonics. Here, we report the experimental observation of Hong-Ou-Mandel interference with 46\pm 2% visibility between WCPs generated by two independent III-V on silicon waveguide integrated lasers. This quantum interference effect is at the heart of many applications, including MDI-QKD. Our work represents a substantial first step towards an implementation of MDI-QKD fully integrated in silicon, and could be beneficial for other applications such as standard QKD and novel quantum communication protocols., Comment: 5 pages, 3 figures

Published
2019
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16. SAR image despeckling through convolutional neural networks

Author

Chierchia, G., Cozzolino, D., Poggi, G., and Verdoliva, L.

Subjects
Computer Science - Computer Vision and Pattern Recognition
Abstract

In this paper we investigate the use of discriminative model learning through Convolutional Neural Networks (CNNs) for SAR image despeckling. The network uses a residual learning strategy, hence it does not recover the filtered image, but the speckle component, which is then subtracted from the noisy one. Training is carried out by considering a large multitemporal SAR image and its multilook version, in order to approximate a clean image. Experimental results, both on synthetic and real SAR data, show the method to achieve better performance with respect to state-of-the-art techniques., Comment: Accepted at 2017 IEEE International Geoscience and Remote Sensing Symposium, Fort Worth, Texas, July 23-28, 2017

Published
2017

21. Contributors

Author

Arvanitoyannis, Ioannis S., primary, Battilani, Paola, additional, Bonada, Marcos, additional, Bramley, R.G.V., additional, Caillé, Soline, additional, Canon, Francis, additional, Chandra, S., additional, Chapman, J., additional, Cheynier, Véronique, additional, Christmann, Monika, additional, Cozzolino, D., additional, Culbert, Julie A., additional, Dambergs, R., additional, Dambergs, Robert G., additional, de la Fuente, Arancha, additional, Edwards, Everard J., additional, Ferreira, Vicente, additional, Freund, Maximilian, additional, Gump, B.H., additional, Herderich, Markus J., additional, Jones, Gregory V., additional, Kennedy, James A., additional, Kilmartin, Paul A., additional, Krstic, Mark P., additional, Lesschaeve, Isabelle, additional, Noble, Ann C., additional, Oberholster, Anita, additional, Osborne, J.P., additional, Parker, Mango, additional, Petrovic, Tijana, additional, Power, A.C., additional, Reynolds, Andrew G., additional, Roberts, J.J., additional, Sadras, Victor O., additional, Sáenz-Navajas, María Pilar, additional, Sarni-Manchado, Pascale, additional, Scott, Eileen S., additional, Silva, Angela, additional, Stummer, Belinda E., additional, van Leeuwen, C., additional, Vivier, M.A., additional, Young, P.R., additional, and Zoecklein, B.W., additional

Published
2022
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23. List of contributors

Author

Aguilar-Machado, Diederich, primary, Álvarez, Ignacio, additional, Andrea-Silva, Jenny, additional, Aroca, Antonio Álamo, additional, Bañuelos, María Antonia, additional, Bautista-Ortín, Ana Belén, additional, Boido, Eduardo, additional, Botezatu, Andreea, additional, Canonico, Laura, additional, Cardona, Mateo, additional, Carrau, Francisco, additional, Charnock, Hannah, additional, Chávez-Segura, Gianella, additional, Chen, K., additional, Christmann, Monika, additional, Ciani, Maurizio, additional, Comitini, Francesca, additional, Comuzzo, Piergiorgio, additional, Cosme, Fernanda, additional, Cozzolino, D., additional, Cuerda, Rafael, additional, Del Fresno, Juan Manuel, additional, Dellacassa, Eduardo, additional, Delso, Carlota, additional, Escott, Carlos, additional, Ferrer, Sergi, additional, Filipe-Ribeiro, Luís, additional, Gerbi, Vincenzo, additional, Giacosa, Simone, additional, Gómez-Plaza, Encarna, additional, González, Carmen, additional, González-Arenzana, Lucía, additional, González-Manzano, Susana, additional, González-Paramás, Ana M., additional, Guamis, Buenaventura, additional, Han, Shunyu, additional, Heras, José María, additional, Iacumin, L., additional, Inglis, Debra, additional, Jordão, António M., additional, Kemp, Belinda, additional, Kilmartin, Paul, additional, Li, J., additional, Li, Wei, additional, Loira, Iris, additional, Ma, Tengzhen, additional, Malfeito-Ferreira, Manuel, additional, Marchal, Richard, additional, Martin, Valentina, additional, Martínez, Juan Manuel, additional, Martínez, Juana, additional, Maza, Marcos, additional, Medina, Karina, additional, Morata, Antonio, additional, Mouret, Jean-Roch, additional, Nunes, Fernando M., additional, Ossorio, Pablo, additional, Paissoni, Maria Alessandra, additional, Pardo, Isabel, additional, Pérez-Porras, Paula, additional, Pérez-Prieto, Luis Javier, additional, Pickering, Gary, additional, Power, A., additional, Pretorius, Isak S., additional, Raso, Javier, additional, Ricardo-da-Silva, Jorge M., additional, Río Segade, Susana, additional, Rolle, Luca, additional, Sablayrolles, Jean-Marie, additional, Sam, Faisal Eudes, additional, Santos-Buelga, Celestino, additional, Schmitt, Matthias, additional, Schneider, Remi, additional, Strobl, Mark, additional, Suárez-Lepe, José Antonio, additional, Valera, Maria Jose, additional, van Rolleghem, Isabelle, additional, Vaquero, Cristian, additional, Vejarano, Ricardo, additional, Vernhet, Aude, additional, Voce, Sabrina, additional, Willwerth, James, additional, Yang, Fei, additional, Zamora, Fernando, additional, Zhang, Bo, additional, and Zhang, Junxiang, additional

Published
2022
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38. Contributors

Author

Aghakhani, Ali, primary, Auñon-Calles, D.A., additional, Ayala-Hernández, M., additional, Ballus, Cristiano Augusto, additional, Bhardwaj, Aastha, additional, Bian, Xiaojun, additional, Cao, Min-Jie, additional, Chandra, S., additional, Chapman, J., additional, Chen, Xu, additional, Chen, Bowen, additional, Chen, Shunsheng, additional, Colombo, Raffaella, additional, Cozzolino, D., additional, Ding, Mengzhen, additional, Domínguez-Perles, R., additional, Feng, Tao, additional, Fortea, M.I., additional, Gabaldón, J.A., additional, Ghadimi, Laleh Saleh, additional, Gil-Izquierdo, A., additional, Gomez-Morte, T., additional, Hajalilou, Abdollah, additional, Han, Huan, additional, He, Lili, additional, He, Qingyan, additional, Hong, Bin, additional, Janve, Madhura, additional, Jayachandran, Lakshmi E., additional, Jiao, Yang, additional, Ke, Lijing, additional, Khmelinskii, Igor, additional, Kothakota, Anjineyulu, additional, Li, Lanying, additional, Lin, Duanquan, additional, Liu, Yuan, additional, Liu, Yi-Xiang, additional, Liu, Guang-Ming, additional, Liu, Gang, additional, Miao, Song, additional, Mishra, Annu, additional, Mohd Fairulnizal, M.N., additional, Mohd Naeem, M.N., additional, Narang, Jagriti, additional, Nayak, Debasis, additional, Neves, Daniela Andrade, additional, Nie, Qixing, additional, Nie, Shaoping, additional, Núñez-Delicado, E., additional, da Silva Oliveira, Wellington, additional, Papetti, Adele, additional, Power, A.C., additional, Purohit, Soumya Ranjan, additional, Raj, Anu S., additional, Rao, Pingfan, additional, Rao, P. Srinivasa, additional, Rathi, D.N., additional, Rezaei, Karamatollah, additional, Shah, Faisal, additional, Sharma, Vasudha, additional, Shi, Aimin, additional, Shi, Cuiping, additional, Sikorska, Ewa, additional, Sikorski, Marek, additional, Siliveru, Kaliramesh, additional, Song, Shiqing, additional, Sun, Min, additional, Thirumdas, Rohit, additional, Tian, Yongqi, additional, Vimala, B., additional, Wang, Xichang, additional, Wang, Wenli, additional, Wang, Shaoyun, additional, Wang, Qiang, additional, Wang, Siqi, additional, Wen, Yanli, additional, Wu, Qiyue, additional, Xu, Changhua, additional, Xu, Yang, additional, Yadav, Neelam, additional, Yan, Juan, additional, Yánez-Gascón, M.J, additional, Yang, Tianxi, additional, Yao, Lingyun, additional, Yu, Zhaoshuo, additional, Zhang, Xinzhong, additional, Zhang, Hongcai, additional, Zhao, Bin, additional, Zhao, Yong, additional, Zhong, Jian, additional, Zhong, Yaoguang, additional, and Zhuang, Haining, additional

Published
2019
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44. A survey of total and dissolved organic carbon in alkaline soils of southern Australia

Author

McDonald, G.K., Tavakkoli, E., Cozzolino, D., Banas, K., Derrien, M., and Rengasamy, P.

Subjects
Australia -- Environmental aspects, Soils -- Carbon content, Soil chemistry -- Research -- Environmental aspects, Soil research -- Environmental aspects -- Research, Organic compounds -- Distribution -- Environmental aspects -- Research, Company distribution practices, Agricultural industry, Earth sciences
Abstract

Dissolved organic carbon (DOC) is important to microbial activity and nutrient cycling, and its concentration is sensitive to pH. Despite the importance of alkaline soils to agricultural production in southern Australia, few studies have documented the concentrations of soil organic carbon (C) and DOC or described the effects of soil properties and management practices on DOC in these soils. A survey of 33 paddocks from the Eyre Peninsula and mid-North regions of South Australia and north-western Victoria demonstrated significant variation in pH, soil organic C and DOC. Carbon stocks in the surface 30 cm were 40-55 t C/ha and were lowest in paddocks from Victoria. Soils from South Australia had higher DOC concentrations in the top 20 cm than soils from Victoria. Principal component analysis suggested variation in DOC was increased by high pH, electric conductivity and the concentration of exchangeable Na, and was reduced by the concentration of exchangeable Ca and clay content. Mid-infrared Fourier transform infrared spectroscopy identified regional differences in the composition of soil organic C, with high amounts of charcoal in Eyre Peninsula soils. Farm management practices had little effect on soil organic C but influenced DOC. Grain yield and DOC concentration were inversely related across and within regions which appeared to be related to the intensity of cropping having opposite influences on yield and DOC. Compared with international data, DOC concentrations were high relative to the amount of soil organic C and, in contrast to many previous studies, DOC in all regions increased with depth. Additional keywords: C : N ratio, carbon sequestration, farming system, sodic soil., Introduction A high proportion of the agricultural soils of southern Australia is alkaline (pH of 1 :5 soil water extract ([pH.sub.(1 : 5 water)] > 8) (dc Caritat et al. [...]

Published
2017
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49. Predictors of in-hospital mortality of COVID-19 patients and the role of telemetry in an internal medicine ward during the third phase of the pandemic

Author

Nevola, R, Marrone, A, Cozzolino, D, Cuomo, G, Romano, C P, Rinaldi, L, Aprea, C, Padula, A, Ranieri, R, Gjeloshi, K, Ricozzi, C, Ruosi, C, Imbriani, S, Meo, L A, Sellitto, A, Cinone, F, Carusone, C, Abitabile, M, Nappo, F, Signoriello, G, Adinolfi, L E, Nevola, R, Marrone, A, Cozzolino, D, Cuomo, G, Romano, C P, Rinaldi, L, Aprea, C, Padula, A, Ranieri, R, Gjeloshi, K, Ricozzi, C, Ruosi, C, Imbriani, S, Meo, L A, Sellitto, A, Cinone, F, Carusone, C, Abitabile, M, Nappo, F, Signoriello, G, and Adinolfi, L E

Subjects
Male, Respiratory Distress Syndrome, Critical Care, Age Factors, Hospital Departments, COVID-19, Pneumonia, Middle Aged, Fibrin Fibrinogen Degradation Products, Oxygen, Electrocardiography, Italy, Predictive Value of Tests, Internal Medicine, Humans, Telemetry, Female, Hospital Mortality, Prospective Studies, Pandemics, Aged
Abstract

Objective: The first pandemic phase of COVID-19 in Italy was characterized by high in-hospital mortality ranging from 23% to 38%. During the third pandemic phase there has been an improvement in the management and treatment of COVID-19, so mortality and predictors may have changed. A prospective study was planned to identify predictors of mortality during the third pandemic phase. Patients and methods: From 15 December 2020 to 15 May 2021, 208 patients were hospitalized (median age: 64 years; males: 58.6%); 83% had a median of 2 (IQR,1-4) comorbidities; pneumonia was present in 89.8%. Patients were monitored remotely for respiratory function and ECG trace for 24 hours/day. Management and treatment were done following the timing and dosage recommended by international guidelines. Results: 79.2% of patients necessitated O2-therapy. ARDS was present in 46.1% of patients and 45.4% received non-invasive ventilation and 11.1% required ICU treatment. 38% developed arrhythmias which were identified early by telemetry and promptly treated. The in-hospital mortality rate was 10%. At multivariate analysis independent predictors of mortality were: older age (R-R for≥70 years: 5.44), number of comorbidities ≥3 (R-R 2.72), eGFR ≤60 ml/min (RR 2.91), high d-Dimer (R-R for≥1,000 ng/ml:7.53), and low PaO2/FiO2 (R-R for

Published
2022

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