Title :
Impact of TWDM on optional real-time QPSK WDM channels
Author :
Ferreira, Ricardo M. ; Shahpari, Ali ; Amado, Sofia B. ; Costa, Pyramo ; Guiomar, Fernando P. ; Pinto, Armando N. ; Teixeira, Antonio
Author_Institution :
Dept. of Electron., Telecommun. & Inf., Univ. of Aveiro & Inst. de Telecomun., Aveiro, Portugal
Abstract :
We experimentally demonstrate in real-time mode operation the coexistence of a digital coherent PON architecture based on UDWDM QPSK with a NGPON2 system based on TWDM OOK. Using simple DSP-based ONU, guard bands of 100 GHz are achieved.
Keywords :
passive optical networks; quadrature phase shift keying; real-time systems; wavelength division multiplexing; DSP; NGPON2 system; TWDM OOK; UDWDM QPSK; digital coherent PON architecture; frequency 100 GHz; optional real-time QPSK WDM channels; passive optical networks; real-time mode operation; Clocks; Optical fibers; Optical network units; Optical receivers; Phase shift keying; Real-time systems;
Conference_Titel :
Optical Communication (ECOC), 2014 European Conference on
Conference_Location :
Cannes
DOI :
10.1109/ECOC.2014.6964105
