Search Results - "Nespola, Antonino"

Scaling Laws for Unamplified Coherent Transmission in Next-Generation Short-Reach and Access Networks by RizzelliMartella, Giuseppe, Nespola, Antonino, Straullu, Stefano, Forghieri, Fabrizio, Gaudino, Roberto

“…International standardization bodies (IEEE and ITU-T) working on the evolution of transmission technologies are still considering traditional direct detection…”
Get full text

Enhancing Lightpath QoT Computation With Machine Learning in Partially Disaggregated Optical Networks by D'Amico, Andrea, Straullu, Stefano, Borraccini, Giacomo, London, Elliot, Bottacchi, Stefano, Piciaccia, Stefano, Tanzi, Alberto, Nespola, Antonino, Galimberti, Gabriele, Swail, Scott, Curri, Vittorio

“…Increasing traffic demands are causing network operators to adopt disaggregated and open networking solutions to better exploit optical transmission capacity,…”
Get full text

Bidirectional 4-PAM to Double Per-Fiber Capacity in 2-km Intra-Datacenter Links by Pilori, Dario, Bertignono, Luca, Nespola, Antonino, Forghieri, Fabrizio, Mazzini, Marco, Gaudino, Roberto

“…This paper presents an experimental demonstration of bidirectional 4-PAM transmission for intra-datacenter links using a pair of SMF fibers. In the proposed…”
Get full text

Analytical and Experimental Results on System Maximum Reach Increase Through Symbol Rate Optimization by Poggiolini, Pierluigi, Nespola, Antonino, Yanchao Jiang, Bosco, Gabriella, Carena, Andrea, Bertignono, Luca, Bilal, Syed Muhammad, Abrate, Silvio, Forghieri, Fabrizio

“…We investigated the reach increase obtained through nonlinearity mitigation by means of transmission symbol rate optimization (SRO). First, we did this…”
Get full text

Comparison of Probabilistically Shaped 64QAM With Lower Cardinality Uniform Constellations in Long-Haul Optical Systems by Pilori, Dario, Bertignono, Luca, Nespola, Antonino, Forghieri, Fabrizio, Bosco, Gabriella

“…In this paper, we compare the performance of probabilistically shaped 64QAM with uniform 16QAM and 32QAM modulation formats at the same net data rate in…”
Get full text

A Multi-Rate Approach for Nonlinear Pre-Distortion Using End-to-End Deep Learning in IM-DD Systems by Minelli, Leonardo, Forghieri, Fabrizio, Nespola, Antonino, Straullu, Stefano, Gaudino, Roberto

“…Modern intra-data center (IDC) interconnects leverage robust and low-cost intensity modulation (IM) and direct detection (DD) optical links, based on multimode…”
Get full text

Non-Linear Phase Noise Mitigation Over Systems Using Constellation Shaping by Pilori, Dario, Nespola, Antonino, Forghieri, Fabrizio, Bosco, Gabriella

“…This paper presents a modified soft-decoding strategy, which improves performance in the presence of strong phase noise. This can substantially increase the…”
Get full text

Design Strategies and Merit of System Parameters for Uniform Uncompensated Links Supporting Nyquist-WDM Transmission by Curri, Vittorio, Carena, Andrea, Arduino, Andrea, Bosco, Gabriella, Poggiolini, Pierluigi, Nespola, Antonino, Forghieri, Fabrizio

“…We consider the transmission of Nyquist-wavelength-division-multiplexed channels based on polarization-multiplexed m-ary QAM multilevel modulation formats with…”
Get full text

Phase Noise Impact and Scalability of Self-Homodyne Short-Reach Coherent Transmission Using DFB Lasers by Rizzelli, Giuseppe, Nespola, Antonino, Straullu, Stefano, Forghieri, Fabrizio, Gaudino, Roberto

“…We investigateon a two-fiber short-reach self-homodyne coherent transmission system without optical amplification,where the same transmission laser is used to…”
Get full text

Frequency-Domain Hybrid Modulation Formats for High Bit-Rate Flexibility and Nonlinear Robustness by Guiomar, Fernando Pedro, Bertignono, Luca, Nespola, Antonino, Carena, Andrea

“…Since the deployment of the first commercial polarization-multiplexed (PM) QPSK 100G systems, the evolution of coherent optical communications in the last…”
Get full text

Autonomous Raman Amplifiers Using Standard Integrated Network Equipment by Borraccini, Giacomo, Straullu, Stefano, Piciaccia, Stefano, Tanzi, Alberto, Nespola, Antonino, Galimberti, Gabriele, Curri, Vittorio

“…Practical needs related to infrastructure management are driving optical network operators to include Raman amplification in order to improve the performance…”
Get full text

DSP-based inter-channel interference monitoring in flexible wavelength-routed networks by Minelli, Leonardo, Bosco, Gabriella, Straullu, Stefano, Nespola, Antonino, Piciaccia, Stefano, Pilori, Dario

“…The efficiency of optical networks employing flexible wavelength division multiplexing (WDM) can be increased by maximizing the throughput of each individual…”
Get full text

Gain Profile Characterization and Modeling for Dual-Stage EDFA Abstraction and Control by Borraccini, Giacomo, Gatto, Vittorio, D'Amico, Andrea, Straullu, Stefano, Aquilino, Francesco, Nespola, Antonino, Piciaccia, Stefano, Tanzi, Alberto, Galimberti, Gabriele, Curri, Vittorio

“…Relying on a two-measurement characterization, in this work a simple and effective gain profile model for dual-stage optical erbium-doped fiber amplifiers…”
Get full text

Joint Carrier-Phase Estimation for Digital Subcarrier Multiplexing Systems With Symbol-Rate Optimization by Neves, Manuel S., Carena, Andrea, Nespola, Antonino, Monteiro, Paulo P., Guiomar, Fernando P.

“…Digital subcarrier multiplexing (SCM) has recently emerged as a promising solution for next-generation ultra-high-baudrate coherent optical communication…”
Get full text

Using machine learning in an open optical line system controller by D'Amico, Andrea, Curri, Vittorio, Straullu, Stefano, Nespola, Antonino, Khan, Ihtesham, London, Elliot, Virgillito, Emanuele, Piciaccia, Stefano, Tanzi, Aberto, Galimberti, Gabriele

“…The reduction of system margin in open optical line systems (OLSs) requires the capability to predict the quality of transmission (QoT) within them. This…”
Get full text

Statistical Analysis of 100 Gbps per Wavelength SWDM VCSEL-MMF Data Center Links on a Large Set of OM3 and OM4 Fibers by Torres-Ferrera, Pablo, Rizzelli, Giuseppe, Nespola, Antonino, Castro, Jose M., Kose, Bulent, Forghieri, Fabrizio, Gaudino, Roberto, Carena, Andrea

“…We present a detailed statistical study on achievable reach of 100 Gbps data center optical links based on vertical cavity surface emitting lasers (VCSEL) and…”
Get full text

Cognitive and autonomous QoT-driven optical line controller by Borraccini, Giacomo, D'Amico, Andrea, Straullu, Stefano, Nespola, Antonino, Piciaccia, Stefano, Tanzi, Alberto, Galimberti, Gabriele, Bottacchi, Stefano, Swail, Scott, Curri, Vittorio

“…In the direction of disaggregated and cognitive optical networks, this work proposes and experimentally tests a vendor-agnostic optical line controller…”
Get full text

ML-Based Spectral Power Profiles Prediction in Presence of ISRS for Ultra-Wideband Transmission by Rosa Brusin, Ann Margareth, Nespola, Antonino, Zefreh, Mahdi Ranjbar, Piciaccia, Stefano, Poggiolini, Pierluigi, Forghieri, Fabrizio, Carena, Andrea

“…A generalized method based on machine learning (ML) and artificial neural networks (ANNs) is proposed for a fast and accurate prediction of spectral and…”
Get full text

Transmission of 61 C-Band Channels Over Record Distance of Hollow-Core-Fiber With L-Band Interferers by Nespola, Antonino, Straullu, Stefano, Bradley, Thomas D., Harrington, Kerrianne, Sakr, Hesham, Jasion, Gregory T., Fokoua, Eric Numkam, Jung, Yongmin, Chen, Yong, Hayes, John R., Forghieri, Fabrizio, Richardson, David J., Poletti, Francesco, Bosco, Gabriella, Poggiolini, Pierluigi

“…We report on two recirculating loop transmission experiments over a hollow-core fiber of the Nested-Antiresonant Nodeless type (NANF). We transmitted 61…”
Get full text

Optimization of Reflective FDMA-PON Architecture to Achieve 32 Gb/s Per Upstream Wavelength Over 31 dB ODN Loss by Straullu, Stefano, Savio, Paolo, Chang, Joana, Ferrero, Valter, Nespola, Antonino, Gaudino, Roberto, Abrate, Silivo

“…In the framework of the EU-funded research project "FABULOUS," we experimentally demonstrate an innovative FDMA-PON architecture whose upstream transmission is…”
Get full text