Ara es mostren els items 1-20 de 33

    • A universal specification for multicore fiber crosstalk 

      Gené Bernaus, Joan M.; Winzer, Peter J. (2019-05-01)
      Article
      Accés obert
      In order to transition multi-core fiber (MCF) technologies from their research state to volume production, the key design specifications have to be broadly agreed upon, first and foremost an acceptable level of inter-core ...
    • ALLIANCE Project: Architecting a knowledge-defined 5G-enabled network infrastructure 

      Careglio, Davide; Spadaro, Salvatore; Cabellos Aparicio, Alberto; Lázaro Villa, José Antonio; Perelló Muntan, Jordi; Barlet Ros, Pere; Gené Bernaus, Joan M.; Paillissé Vilanova, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      Leaving the current 4th generation of mobile communications behind, 5G will represent a disruptive paradigm shift integrating access networks, ultra-high capacity access/metro/core optical networks and intra-datacentre ...
    • Assessment of Flex-grid/SDM backbone networks under inter-core XT-limited transmission reach 

      Perelló Muntan, Jordi; Gené Bernaus, Joan M.; Lázaro Villa, José Antonio; Pagès Cruz, Albert; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés obert
      In the present paper, we estimate the transmission reach of the optical signals through several state-of-the-art multi-core fibers reported in the literature considering ASE noise and inter-core crosstalk. Using these ...
    • Capacity quantification of joint-switching-enabled flex- grid/SDM optical backbone networks 

      Rumipamba Zambrano, Rubén Darío; Perelló Muntan, Jordi; Gené Bernaus, Joan M.; Spadaro, Salvatore (Optical Society of American (OSA), 2017)
      Text en actes de congrés
      Accés obert
      We quantify the network capacity scaling from 7 to 30 spatial channels. While multifiber provides a 5x capacity increase, MCF limits it to 4x and 2x in national and continental backbone networks, respectively.
    • Cost-effective spatial super-channel allocation in Flex-Grid/MCF optical core networks 

      Rumipamba Zambrano, Rubén Darío; Perelló Muntan, Jordi; Gené Bernaus, Joan M.; Spadaro, Salvatore (2018-01-01)
      Article
      Accés obert
      Space Division Multiplexing (SDM) is a key technology to cope with the bandwidth limitations of single mode fibers. Multi-Core Fibers (MCFs) are considered as a promising candidate technology to implement SDM, due to their ...
    • Dual polarization full-field signal waveform reconstruction using intensity only measurements for coherent communications 

      Chen, Haoshuo; Fontaine, Nicolas K.; Gené Bernaus, Joan M.; Ryf, Roland; Neilson, David T.; Raybon, Gregory (Institute of Electrical and Electronics Engineers (IEEE), 2020-05-01)
      Article
      Accés obert
      Conventional optical coherent receivers capture the full electrical field, including amplitude and phase, of a signal waveform by measuring its interference against a stable continuous-wave local oscillator (LO). In optical ...
    • Evaluating the impact of the guard band width on the benefits of probabilistic constellation shaping in future flex-grid over multicore fibre optical backbone networks 

      Perelló Muntan, Jordi; Gené Bernaus, Joan M.; Cho, Junho; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Text en actes de congrés
      Accés obert
      Probabilistic constellation shaping (PCS) has emerged as an advanced modulation technique that provides a fine-grained software-defined trade-off between achievable spectral efficiency (SE) and transmission reach to deliver ...
    • Evaluation of Add/Drop flexibility requirements in future SDM-enabled ROADMs 

      Perelló Muntan, Jordi; Gené Bernaus, Joan M.; Klinkowski, Miroslaw; Comellas Colomé, Jaume; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
      Accés obert
      In this paper, we evaluate five different architectures for implementing the Add/Drop module of future Spatial Division Multiplexing (SDM)-enabled Re-configurable Optical Add & Drop Multiplexers (ROADMs) with different ...
    • Evaluation of core-continuity-constrained ROADMs for flex-grid/MCF optical networks 

      Moreno Muro, Francisco Javier; Rumipamba Zambrano, Rubén Darío; Pavón Mariño, Pablo; Perelló Muntan, Jordi; Gené Bernaus, Joan M.; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2017-11-01)
      Article
      Accés obert
      To effectively keep pace with the global IP traffic growth forecasted in the years to come, flex-grid over multi-core fiber (MCF) networks can bring superior spectrum utilization flexibility, as well as bandwidth scalability ...
    • Evaluation of probabilistic constellation shaping performance in Flex Grid over multicore fiber dynamic optical backbone networks [Invited] 

      Perelló Muntan, Jordi; Gené Bernaus, Joan M.; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2022-05)
      Article
      Accés obert
      In this paper, we present a worst-case methodology for estimating the attainable spectral efficiency over end-to-end paths across a Flex Grid over multicore fiber (MCF) optical network. This methodology accounts for physical ...
    • Examen Final 

      Gené Bernaus, Joan M.; Junyent Giralt, Gabriel (Universitat Politècnica de Catalunya, 2015-01-14)
      Examen
      Accés restringit a la comunitat UPC
    • Examen Final 

      Gené Bernaus, Joan M. (Universitat Politècnica de Catalunya, 2014-06-18)
      Examen
      Accés restringit a la comunitat UPC
    • Examen Final 

      Junyent Giralt, Gabriel; Gené Bernaus, Joan M. (Universitat Politècnica de Catalunya, 2014-01-09)
      Examen
      Accés restringit a la comunitat UPC
    • Examen Final 

      Gené Bernaus, Joan M.; Junyent Giralt, Gabriel (Universitat Politècnica de Catalunya, 2015-06-19)
      Examen
      Accés restringit a la comunitat UPC
    • Examen Final 

      Junyent Giralt, Gabriel; Soneira Ferrando, M. José; Gené Bernaus, Joan M. (Universitat Politècnica de Catalunya, 2016-06-02)
      Examen
      Accés restringit a la comunitat UPC
    • Experimental demonstration of widely tunable rate/reach adaptation from 80 km to 12,000 km using probabilistic constellation shaping 

      Gené Bernaus, Joan M.; Chen, Xi; Cho, Junho; Chandrasekhar, Sethumadhavan; Winzer, Peter (2020)
      Text en actes de congrés
      Accés obert
      We experimentally demonstrate the rate/reach adaptability of probabilistically constellation-shaped quadrature amplitude modulation across from 80 km to 12,000 km using the same 32-GBaud transponder hardware and highlight ...
    • Fiber-Optic Communications 

      Gené Bernaus, Joan M. (Universitat Politècnica de Catalunya, 2010-09)
      Apunts
      Accés obert
    • Flex-Grid/SDM backbone network design with inter-core XT-limited transmission reach 

      Perelló Muntan, Jordi; Gené Bernaus, Joan M.; Pagès Cruz, Albert; Lázaro Villa, José Antonio; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2016-08-01)
      Article
      Accés restringit per política de l'editorial
      Spatial division multiplexing (SDM) has been presented as a key solution to circumvent the nonlinear Shannon limit of standard single-core fibers. To implement SDM, multi-core fiber (MCF) technology becomes a top candidate ...
    • Full-field, carrier-less, polarization-diversity, direct detection receiver based on phase retrieval 

      Chen, Haoshuo; Fontaine, Nicolas K.; Gené Bernaus, Joan M.; Ryf, Roland; Neilson, David T.; Raybon, Gregory (The Institution of Engineering and Technology (IET), 2019)
      Text en actes de congrés
      Accés obert
      We realize dual-polarization full-field recovery using intensity only measurements and phase retrieval techniques based on dispersive elements. 30-Gbaud QPSK waveforms are transmitted over 520-km standard single-mode fiber ...
    • Joint PMD and Chromatic Dispersion Compensation Using an MLSE 

      Gené Bernaus, Joan M.; Winzer, Peter J.; Chandrasekhar, Sethumandhavan; Kogelnik, Herwig (2006)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Experimental investigations show that maximum likelihood sequence estimation (MLSE) in a 10.7 Gb/s non return-to-zero system improves by 60-70% the tolerance to first-order polarization mode dispersion (PMD), even in the ...