Title :
Ultra-dense, single-wavelength DFT-spread OFDM PON with laserless 1 Gb/s ONU at only 300 MBd per spectral group
Author :
Schindler, Philipp C. ; Agmon, A. ; Wolf, Stefan ; Bonk, R. ; Meder, L. ; Meltsin, M. ; Ludwig, Arne ; Becker, Jurgen ; Nazarathy, Moshe ; Ben-Ezra, S. ; Pfeiffer, Thomas ; Freude, W. ; Leuthold, Juerg ; Koos, C.
Author_Institution :
Inst. of Photonics & Quantum Electron. (IPQ), Karlsruhe Inst. of Technol., Karlsruhe, Germany
Abstract :
We demonstrate an FDMA network with up to eight 300 MBd 16QAM subcarriers offering bidirectional 9.6 Gbit/s within a single 12.5 GHz channel. OLT and ONU operate at only 3.2 GSa/s and 400 MSa/s, respectively. Real-time signal processing is realized for downstream transmission.
Keywords :
OFDM modulation; discrete Fourier transforms; frequency division multiple access; light transmission; optical information processing; optical modulation; passive optical networks; quadrature amplitude modulation; subcarrier multiplexing; 16QAM subcarriers; FDMA network; OLT; bit rate 1 Gbit/s; bit rate 9.6 Gbit/s; frequency 12.5 GHz; laserless ONU; signal processing; spectral group; ultradense single-wavelength DFT-spread OFDM PON; Optical mixing; Optical modulation; Optical network units; Optical polarization; Optical receivers;
Conference_Titel :
Optical Communication (ECOC), 2014 European Conference on
Conference_Location :
Cannes
DOI :
10.1109/ECOC.2014.6964097