Now showing items 1-7 of 7

    • Colorless FSK Demodulation and Detection With Integrated Fabry-Perot-Type SOA/REAM 

      Schrenk, Bernhard; Lázaro Villa, José Antonio; Kazmierski, Christophe; Prat Gomà, Josep Joan (2010-06-01)
      Article
      Open Access
      A receiver for optical frequency modulated signals, based on colorless demodulation and detection, is presented. An integrated combination of semiconductor optical amplifier (SOA) and reflective electroabsorption modulator ...
    • Colourless FSK/ASK optical network unit based on a Fabry Pérot type SOA/REAM for symmetrical 10 Gb/s WDM-PONs 

      Schrenk, Bernhard; Lázaro Villa, José Antonio; Kazmierski, Christophe; Prat Gomà, Josep Joan (2009-09-20)
      Conference report
      Restricted access - publisher's policy
      An Optical Network Unit based on colourless detection of optical frequency modulated signals based on a combination of Semiconductor Optical Amplifier and Reflective Electroabsorption modulator with intensity remodulation ...
    • Demonstration of a remotely dual-pumped long-reach PON for flexible deployment 

      Chanclou, Philippe; Schrenk, Bernhard; Lázaro Villa, José Antonio; Klonidis, Dimitrios; Bonada Bo, Francesc; Saliou, Fabienne; Polo Querol, Víctor; López Pastor, Eduardo Tommy; Le, Q.T.; Brenot, Romain; de Valicourt, Guilhem; Spirou, S.; Soila, Risto; Leino, D.; Tosi Beleffi, Giorgio M.; Tomkos, Ioannis; Chatzi, Sotiria; Teixeira, A.; Costa, L.; Kazmierski, Christophe; Prats, Jordi (2012-04-01)
      Article
      Restricted access - publisher's policy
      We propose and experimentally demonstrate a flexible wavelength division multiplexing/time division multiplexing network architecture for converged metro-access environment. Entire passiveness in the fiber plant is ...
    • Dual-operability and bandwidth partitioning enabled by an ONU with tandem-modulator 

      Schrenk, Bernhard; Bauwelinck, Johan; Lázaro Villa, José Antonio; Kazmierski, Christophe; Xing-Zhi, Qiu; Prat Gomà, Josep Joan (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-09)
      Article
      Restricted access - publisher's policy
      An upgrade at the physical layer regarding unbundling and dynamic bandwidth provisioning of a wavelength division multiplexed access network is presented. The capability of a reflective modulator to act as a photodetector ...
    • Monolithically integrated dual-output DEML for full duplex DPSK-ASK and DPSK-SSB ONU in ultra-dense channel spaced access network 

      Chu, Guangyong; Cano Valadéz, Iván Nicolás; Polo Querol, Víctor; Kazmierski, Christophe; Brenot, Romain; Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2016-04)
      Article
      Open Access
      Ultra-dense access network attracts people's attention recently; however, until now it is difficult to implement it commercially owing to cost, footprint, and the traditional complexity of coherent receiver. Single laser, ...
    • Optical subsystems for next generation access networks 

      Lázaro Villa, José Antonio; Polo Querol, Víctor; Schrenk, Bernhard; Bonada Bo, Francesc; Cano Valadéz, Iván Nicolás; López Pastor, Eduardo Tommy; Kazmierski, Christophe; de Valicourt, Guilhem; Brenot, Romain; Bauwelinck, Johan; Xing-Zhi, Qiu; Ossieur, P.; Forzati, Marco; Rigole, Jean-Pierre; Monroy, I.T; Tangdiongga, E.; Morant, Maryland; Nicolau, L.; Teixeira, A.L.; Erasme, D.; Klonidis, Dimitrios; Tomkos, Ioannis; Prat Gomà, Josep Joan; Kouloumentas,, Christos; Avramopoulos, Hércules (2011)
      Conference report
      Restricted access - publisher's policy
      Recent optical technologies are providing higher flexibility to next generation access networks: on the one hand, providing progressive FTTx and specifically FTTH deployment, progressively shortening the copper access ...
    • SOA/REAM as Vector Modulator for QAM Upstream 

      Schrenk, Bernhard; Fàbrega Sánchez, Josep Maria; Kazmierski, Christophe; Lázaro Villa, José Antonio; Prat Gomà, Josep Joan (2011)
      Conference report
      Restricted access - publisher's policy
      Simultaneous encoding of information in the optical phase and amplitude for upstream transmission is demonstrated with an integrated SOA/REAM of small form factor. The crosstalk penalties between the QAM tributaries are ...