Explanipedia

Observation of Precursor of the Kamchatka Earthquake by Monitoring an Optical Fiber Link in the Mediterranean Sea Open

Antonio Mecozzi, Cristian Antonelli, Danilo Decaroli, Alberto Marullo, Luca Palmieri , et al. · 2025

By monitoring the state of polarization of cables belonging to the MedNautilus submarine system in the Mediterranean Sea, we unambiguously observed the signature of the recent $M_w$ 8.8 Kamchatka earthquake in two different cables. A clear…

Observation of Precursor of the Kamchatka Earthquake by Monitoring an Optical Fiber Link in the Mediterranean Sea Open

Antonio Mecozzi, Cristian Antonelli, Danilo Decaroli, Alberto Marullo, Luca Palmieri , et al. · 2025

By monitoring the state of polarization of cables belonging to the MedNautilus submarine system in the Mediterranean Sea, we unambiguously observed the signature of the recent $M_w$ 8.8 Kamchatka earthquake in two different cables. A clear…

Observation of Precursor of the Kamchatka Earthquake by Monitoring an Optical Fiber Link in the Mediterranean Sea Open

Antonio Mecozzi, Cristian Antonelli, Danilo Decaroli, Alberto Marullo, Luca Palmieri , et al. · 2025

By monitoring the state of polarization of cables belonging to the MedNautilus submarine system in the Mediterranean Sea, we unambiguously observed the signature of the recent $M_w$ 8.8 Kamchatka earthquake in two different cables. A clear…

Accurate and Effective Model for Coexistence of Classical and Quantum Signals In Optical Fibers Open

Lucas Zischler, Çağla Özkan, Giammarco Di Sciullo, Divya A. Shaji, Chiara Lasagni , et al. · 2025

The rising interest in quantum-level communication has resulted in proposals for coexistence schemes with classical signals within the same fiber optic channel, where the most recent proposals leverage novel fibers designed for space-divis…

Geophysical sensing using Jones matrices extracted from submarine optical cable transceivers carrying live traffic Open

Antonio Mecozzi, Cristian Antonelli, Alberto Marullo, Danilo Decaroli, Luca Palmieri , et al. · 2025

We present a general and rigorous theoretical framework for analyzing polarization evolution in optical fibers in the presence of random polarization coupling. This framework enables the extraction of all available information about extern…

Integration of quantum key distribution and high-throughput classical communications in field-deployed multi-core fibers Open

Qi Wu, Domenico Ribezzo, Giammarco Di Sciullo, Sebastiano Cocchi, Divya A. Shaji , et al. · 2025

Closed-form Expression for the Power Profile in Wideband Systems with Inter-channel Stimulated Raman Scattering Open

Lucas Zischler, Chiara Lasagni, Paolo Serena, A. Bononi, Giammarco Di Sciullo , et al. · 2025

Wideband systems experience significant inter-channel stimulated Raman scattering (ISRS) and channel-dependent losses. Due to the non-uniform attenuation profile, the combined effects of ISRS and fiber loss can only be accurately estimated…

Ultrastable optical frequency transfer and attosecond timing in deployed multicore fiber Open

Nazanin Hoghooghi, Mikael Mazur, Nicolas K. Fontaine, Yifan Liu, Dahyeon Lee , et al. · 2025

The telecommunications industry’s deployment of billions of kilometers of optical fiber has created a vast global network that can be exploited for additional applications such as environmental sensing, quantum networking, and internationa…

Reaching the pinnacle of high-capacity optical transmission using a standard cladding diameter coupled-core multi-core fiber Open

Menno van den Hout, Ruben S. Lúıs, Benjamin J. Puttnam, Giammarco Di Sciullo, Tetsuya Hayashi , et al. · 2025

Experimental Evaluation of Transmission of C+L+U bands over an Unrepeatered Link Open

Ruben S. Lu ́ıs, W. Forysiak, Fernando P. Guiomar, Antonio Mecozzi, Cristian Antonelli , et al. · 2025

Performance Comparison of QAM Modulation Formats on an All-4-Core Recirculating Loop Open

Giammarco Di Sciullo, Menno van den Hout, Benjamin J. Puttnam, Ruben S. Luís, Divya A. Shaji , et al. · 2024

We assess the performance of different modulation formats on the first all-4-core component recirculating loop, integrating 4-core EDFAs and distributed Raman amplification. Total decoded throughputs of 45.7Tb/s after 12053.6km, 90.8Tb/s a…

Experimental Characterization of SDM Optical Fibers Open

Martina Cappelletti, Mikael Mazur, Nicolas K. Fontaine, Roland Ryf, Tetsuya Hayashi , et al. · 2024

Modal dispersion characterization of optical fibers for space division multiplexing is reviewed. Experimental results collected on a field deployed multicore fiber cable are presented and compared with the theoretical model. Moreover, a no…

Effects of Mode Dispersion on the Nonlinear Interference in Few-Mode Fiber Transmissions Open

Chiara Lasagni, Paolo Serena, A. Bononi, Antonio Mecozzi, Cristian Antonelli · 2024

Node design in Self-Managed Sustainable High-Capacity Optical Networks (SEASON) Open

F. Cugini, Kyriakos Vlachos, Emilio Riccardi, Marco Quagliotti, Laura Serra , et al. · 2024

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Enabling a multifunctional telecommunications fiber optic network: Ultrastable optical frequency transfer and attosecond timing in deployed multicore fiber Open

Nazanin Hoghooghi, Mikael Mazur, Nicolas K. Fontaine, Yifan Liu, Dahyeon Lee , et al. · 2024

The telecommunications industry's deployment of billions of kilometers of optical fiber has created a vast global network that can be exploited for additional applications such as environmental sensing, quantum networking and international…

Enhancing Long-Haul 15-Mode Fiber Performance: Mode Permutation for Reduced Modal Dispersion Open

Giammarco Di Sciullo, Divya A. Shaji, Menno van den Hout, Georg Rademacher, Ruben S. Lúıs , et al. · 2024

We explore the efficacy of mode permutation to mitigate the impact of modal dispersion in a 15-mode fiber link for long-haul space-division multiplexed transmission. By introducing strong coupling between all the fiber modes, mode permutat…

Partial-MIMO Based Mode-Group Transmission and Routing in a Field-Deployed 15-Mode Network: Throughput, DSP Resources and Network Flexibility Open

Alberto Gatto, P. Parolari, Ruben S. Lúıs, Georg Rademacher, Benjamin J. Puttnam , et al. · 2024

Transmission based on mode-division multiplexing can enhance node flexibility in metropolitan networks by exploiting mode-group routing. In fact, each mode group, constituted by degenerate spatial modes, can act as a single modal super-cha…

Wideband Unrepeatered Transmission Using Doped Tellurite-Fiber Amplifiers Open

Ruben S. Lúıs, Benjamin J. Puttnam, Georg Rademacher, Menno van den Hout, Giammarco Di Sciullo , et al. · 2024

This work evaluates the use of wideband erbium-doped tellurite-fiber amplifiers (EDTFAs) for unrepeatered links. We demonstrate the transmission of a 40.5 Tb/s signal composed of 290 polarization-multiplexed 16-ary quadrature amplitude mod…

Practical high-dimensional quantum key distribution protocol over deployed multicore fiber Open

Mujtaba Zahidy, Domenico Ribezzo, Claudia De Lazzari, Ilaria Vagniluca, Nicola Biagi , et al. · 2024

Statistical Analysis of Modal Dispersion in Field-Installed Coupled-Core Fiber Link Open

Martina Cappelletti, Mikael Mazur, Nicolas K. Fontaine, Roland Ryf, Tetsuya Hayashi , et al. · 2024

This article presents a statistical analysis of modal dispersion of a 69-km-long field-deployed coupled-core four-core fiber link. The link is characterized over a band of approximately 5 THz at 1550 nm, in terms of complex modal dispersio…

The Information Capacity of the Fiber-Optic Channel: Bounds and prospects Open

Mark Shtaif, Cristian Antonelli, Antonio Mecozzi, Vivian Xi Chen · 2024

We present a survey of the throughout values reported in current state-of-the-art transmission experiments as a function of distance. This is an updated version of the original figure presented in Proceedings of the IEEE, vol. 110, no. 11,…

Experimental Analysis of Receiver Failure For 19-Core Randomly Coupled Core Fibre Transmission Open

Menno van den Hout, Ruby S. B. Ospina, Ruben S. Lúıs, Benjamin J. Puttnam, Giammarco Di Sciullo , et al. · 2024

We experimentally investigate the impact of the failures of spatial channel receivers on the transmission performance of a randomly coupled 19-core fiber system. Severe penalties are observed when a spatial channel receiver fails.

45.7 Tb/s over 12 053 km Transmission with an All-Multi-Core Recirculating-Loop 4-Core-Fiber System Open

Giammarco Di Sciullo, Benjamin J. Puttnam, Menno van den Hout, Ruben S. Lúıs, Divya A. Shaji , et al. · 2024

We demonstrate 45.7 Tb/s transmission of 4×175×24.5 GBd DP-QPSK signals over 12 053 km of four-core fiber u sing m ulti-core C -band E DFAs and Raman amplification. This is the first all-multi-core component recirculating-loop-based long-h…

40.5 Tb/s, 312.9 km, unrepeatered transmission using erbium-doped tellurite fiber amplifiers Open

Ruben S. Lúıs, Benjamin J. Puttnam, Georg Rademacher, Menno van den Hout, Giammarco Di Sciullo , et al. · 2023

We demonstrate the use of wideband erbium-doped tellurite-fiber amplifiers, combined with bidirectional Raman amplification, to achieve the record unrepeatered transmission of a 60 nm, 40.5 Tb/s, WDM signal over 312.9 km without the use of…

22.9 Pb/s data-rate by extreme space-wavelength multiplexing Open

Benjamin J. Puttnam, Menno van den Hout, Giammarco Di Sciullo, Ruben S. Lúıs, Georg Rademacher , et al. · 2023

We transmit 750 wavelength channels covering 19 THz bandwidth over a few-mode multi-core fiber with 114 spatial channels, recording a total GMI-estimated data-rate of 24.7 petabit/second and 22.9 Pb/s after LDPC decoding, both exceeding 20…

C + L-band seeded comb regeneration for MCF networks Open

Benjamin J. Puttnam, Ruben S. Lúıs, Georg Rademacher, Giammarco Di Sciullo, Menno van den Hout , et al. · 2023

We demonstrate C+L-band optical-frequency-comb regeneration from seed-signals that can be split, amplified, and transmitted over a novel metro/DC network architecture. Multi-core-fiber seed and data distribution with spatial-switching enab…

Transmission of 138.9 Tb/s over 12 345 km of 125μm cladding diameter 4-core fiber using signals spanning S, C, and L-band Open

Menno van den Hout, Benjamin J. Puttnam, Giammarco Di Sciullo, Ruben S. Lúıs, Georg Rademacher , et al. · 2023

We demonstrate recirculating loop transmission of 4 × 518 × 24.5 GBd DP-QPSK signals spanning the S, C, and L-band over 12 345 km of 4-core fiber. T he t hroughput o f 138.9 T b/s results in the highest data-rate-distance product measured …

Transmission of 273.6 Tb/s Over 1001 km of 15-Mode Multi-Mode Fiber Using C-Band Only 16-QAM Signals Open

Menno van den Hout, Giammarco Di Sciullo, Ruben S. Lúıs, Benjamin J. Puttnam, Nicolas K. Fontaine , et al. · 2023

In recent years, space-division multiplexing (SDM) has been proposed and investigated as a technique to increase the per-fiber capacity in order to cope with the ever-increasing demand for capacity in optical transmission networks. Conside…

Full Program Open

Cristian Antonelli, Georg Rademacher, General Chair, Dionisio Mnp, Scilla Pint , et al. · 2023

Nonlinear Interference Noise in Raman-Amplified WDM Systems Open

Francesco Lorenzi, Gianluca Marcon, Andrea Galtarossa, Luca Palmieri, Antonio Mecozzi , et al. · 2023

Raman amplification is a solution for broadband wavelength-division multiplexed (WDM) systems that require fine and reconfigurable gain tuning. However, as the fiber nonlinearity ultimately limits the performance of fiber-optic communicati…

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