Title :
Demonstration of hierarchical star 8-QAM designed for coexistence of 10G-EPON and DSP-based PON with 30-dB loss budget
Author :
Iiyama, Noriko ; Kani, Jun-ichi ; Terada, Jun ; Yoshimoto, Naoto
Author_Institution :
NTT Access Network Service Syst. Labs., NTT Corp., Yokosuka, Japan
fDate :
June 30 2013-July 4 2013
Abstract :
Hierarchical modulation with star 8-QAM to upgrade the downlink of PONs is experimentally demonstrated. We confirm 30-dB loss budget in a condition that allows coexistence of standard 10G-EPON ONUs and 30-Gbps DSP-based ONUs.
Keywords :
optical links; optical modulation; passive optical networks; quadrature amplitude modulation; signal processing; DSP-based ONU; DSP-based PON; PON downlink; bit rate 30 Gbit/s; hierarchical star 8-QAM design; standard EPON ONU; Amplitude shift keying; Bit error rate; Digital signal processing; Optical attenuators; Passive optical networks; Phase shift keying;
Conference_Titel :
OptoElectronics and Communications Conference held jointly with 2013 International Conference on Photonics in Switching (OECC/PS), 2013 18th
Conference_Location :
Kyoto