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3. Free-Space QKD Link Supported by AI Algorithm

Author

Cocchi, Sebastiano, primary, Pereti, Claudio, additional, Guarda, Giulia, additional, Ribezzo, Domenico, additional, Pinel, Marco, additional, Menchetti, Marco, additional, De Lazzari, Claudia, additional, Occhipinti, Tommaso, additional, Zavatta, Alessandro, additional, and Bacco, Davide, additional

Published
2023
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4. BB84 decoy-state QKD protocol over long-distance optical fiber

Author

Guarda, Giulia, primary, Ribezzo, Domenico, additional, Salvoni, Daniela, additional, Bruscino, Ciro, additional, Ercolano, Pasquale, additional, Ejrnaes, Mikkel, additional, Parlato, Loredana, additional, Zhang, C., additional, Li, H., additional, You, L., additional, Vagniluca, Ilaria, additional, De Lazzari, Claudia, additional, Occhipinti, Tommaso, additional, Pepe, Giovanni Piero, additional, Zavatta, Alessandro, additional, and Bacco, Davide, additional

Published
2023
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6. QKD protocol over 100 km long submarine optical fiber assisted by a system-in-package fast-gated InGaAs single photon detector

Author

Ribezzo, Domenico, primary, Zahidy, Mujtaba, additional, Petitjean, Antoine, additional, Lemmi, Gianmarco, additional, De Lazzari, Claudia, additional, Vagniluca, Ilaria, additional, Conca, Enrico, additional, Tosi, Alberto, additional, Occhipinti, Tommaso, additional, Cataliotti, Francesco Saverio, additional, Oxenløwe, Leif K., additional, Xuereb, André, additional, Bacco, Davide, additional, and Zavatta, Alessandro, additional

Published
2023
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10. High-Dimensional Quantum Communication Using Space Encoding

Author

Bacco, Davide, primary, Cozzolino, Daniele, additional, Da Lio, Beatrice, additional, Ding, Yunhong, additional, Ingerslev, Kasper, additional, Galili, Michael, additional, Rottwitt, Karsten, additional, Ramachandran, Siddharth, additional, and Oxenlnwe, Leif Katsuo, additional

Published
2019
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12. Fiber-based high-dimensional quantum key distribution with twisted photons

Author

Cozzolino, Daniele, Bacco, Davide, Lio, Beatrice Da, Ingerslev, Kasper, Ding, Yunhong, Dalgaard, Kjeld, Kristensen, Poul, Galili, Michael, Rottwitt, Karsten, Ramachandran, Siddharth, Oxenløwe, Leif Katsuo, Cozzolino, Daniele, Bacco, Davide, Lio, Beatrice Da, Ingerslev, Kasper, Ding, Yunhong, Dalgaard, Kjeld, Kristensen, Poul, Galili, Michael, Rottwitt, Karsten, Ramachandran, Siddharth, and Oxenløwe, Leif Katsuo

Abstract

We implement the first fiber-based orbital angular momentum (OAM) state high-dimensional quantum key distribution protocol using four OAM modes, and demonstrate the highest secret key rate and longest transmission distance for OAM presented to date.

Published
2018

13. Record-High Secret Key Rate for Joint Classical and Quantum Transmission Over a 37-Core Fiber

Author

da Lio, Beatrice, Bacco, Davide, Cozzolino, Daniele, Da Ros, Francesco, Guo, Xueshi, Ding, Yunhong, Sasaki, Yusuke, Aikawa, Kazuhiko, Miki, Shigehito, Terai, Hirotaka, Yamashita, Taro, Neergaard-Nielsen, Jonas Schou, Galili, Michael, Rottwitt, Karsten, Andersen, Ulrik Lund, Oxenløwe, Leif Katsuo, Morioka, Toshio, da Lio, Beatrice, Bacco, Davide, Cozzolino, Daniele, Da Ros, Francesco, Guo, Xueshi, Ding, Yunhong, Sasaki, Yusuke, Aikawa, Kazuhiko, Miki, Shigehito, Terai, Hirotaka, Yamashita, Taro, Neergaard-Nielsen, Jonas Schou, Galili, Michael, Rottwitt, Karsten, Andersen, Ulrik Lund, Oxenløwe, Leif Katsuo, and Morioka, Toshio

Abstract

We overcome the low secret key rates of current quantum communication systems using space division multiplexing in a heterogeneous 37-core fiber. We demonstrate record-high rates of 107 Mb/s for the quantum channel alone and of 65 Mb/s when co-propagating with 370 Gb/s classical data.

Published
2018

14. Feasibility of Quantum Communications in Aquatic Scenario

Author

Tarantino, Silvia, Cozzolino, Daniele, Rottwitt, Karsten, Bacco, Davide, Tarantino, Silvia, Cozzolino, Daniele, Rottwitt, Karsten, and Bacco, Davide

Abstract

Security in underwater communications is a very sensitive topic due to its great interest in scientific, industrial and military applications. We present a feasibility analysis of different types of quantum communications protocols in aquatic scenarios.

Published
2018

15. Stable Transmission of High-Dimensional Quantum States Over a 2-km Multicore Fiber.

Author

Da Lio, Beatrice, Oxenlowe, Leif Katsuo, Bacco, Davide, Cozzolino, Daniele, Biagi, Nicola, Arge, Tummas Napoleon, Larsen, Emil, Rottwitt, Karsten, Ding, Yunhong, and Zavatta, Alessandro

Abstract

High-dimensional quantum states have already settled their advantages in different quantum technology applications. However, their reliable transmission in fiber links remains an open challenge that must be addressed to boost their application, e.g. in the future quantum internet. Here, we prove how path encoded high-dimensional quantum states can be reliably transmitted over a 2 km long multicore fiber, taking advantage of a phase-locked loop system guaranteeing a stable interferometric detection. [ABSTRACT FROM AUTHOR]

Published
2020
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16. Record-High Secret Key Rate for Joint Classical and Quantum Transmission Over a 37-Core Fiber

Author

Lio, Beatrice Da, primary, Bacco, Davide, additional, Cozzolino, Daniele, additional, Ros, Francesco Da, additional, Guo, Xueshi, additional, Ding, Yunhong, additional, Sasaki, Yusuke, additional, Aikawa, Kazuhiko, additional, Miki, Shigehito, additional, Terai, Hirotaka, additional, Yamashita, Taro, additional, Neergaard-Nielsen, Jonas S., additional, Galili, Michael, additional, Rottwitt, Karsten, additional, Andersen, Ulrik L., additional, Oxenlowe, Leif K., additional, and Morioka, Toshio, additional

Published
2018
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18. Two-dimensional quantum key distribution (QKD) protocol for increased key rate fiber-based quantum communications

Author

da Lio, Beatrice, Bacco, Davide, Ding, Yunhong, Cozzolino, Daniele, Dalgaard, Kjeld, Rottwitt, Karsten, Oxenløwe, Leif Katsuo, da Lio, Beatrice, Bacco, Davide, Ding, Yunhong, Cozzolino, Daniele, Dalgaard, Kjeld, Rottwitt, Karsten, and Oxenløwe, Leif Katsuo

Abstract

We experimentally prove a novel two-dimensional QKD scheme, relying on differential phasetime shifting (DPTS) of strongly attenuated weak coherent pulses. We demonstrate QKD transmission up to 170 km standard fiber, and even include a classical channel up to 90 km.

Published
2017

20. SPR Sensor Platform Based on a Novel Metal Bilayer Applied on D–Shaped Plastic Optical Fibers for Refractive Index Measurements in the Range 1.38–1.42.

Author

Cennamo, Nunzio, Zuppella, Paola, Bacco, Davide, Corso, Alain J., Pelizzo, Maria G., and Zeni, Luigi

Abstract

A surface plasmon resonance sensor based on a D–shaped plastic optical fiber and a palladium/gold (Pd/Au) bilayer was designed, implemented, and characterized. The platform was properly thought to work in the 1.38–1.42 refractive index range, where it exhibits excellent performances. This refractive index range is very important when a thin polymer layer is used on the planar metal surface for bio-chemical sensing applications. [ABSTRACT FROM PUBLISHER]

Published
2016
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