• Direct phase modulation of a DFB laser for udWDM-PON 

      Cano Valadéz, Iván Nicolás; Lerín de la Santísima Trinidad, Adolfo; Polo Querol, Víctor; Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The response of a DFB was equalized with a simple RC network for modulating directly its phase and producing a BPSK signal. The system was tested with a heterodyne coherent detector at 1.25 Gb/s and 2.5 Gb/s showing a ...
    • Practical fast and non-intrusive ONU activation procedure in coherent udWDM-PON 

      Polo Querol, Víctor; Tabares Giraldo, Santiago; Canals, X; Segarra Mullerat, Josep; Prat Gomà, Josep Joan (2023-04-15)
      Article
      Accés restringit per política de l'editorial
      The development of coherent high density WDM PONs, forecasted as one of the promising technologies to increase the spectral efficiency and reduce the energy consumption, can be obstructedbythe limited tunability, high ...