Title :
Key technologies for elastic optical networks
Author :
Zhangyuan Chen ; Paikun Zhu ; Juhao Li ; Yingying Xu ; Zhongying Wu ; Xin Chen ; Yuanxiang Chen ; Yongqi He
Author_Institution :
State Key Lab. of Adv. Opt. Commun. Syst. & Networks, Peking Univ., Beijing, China
Abstract :
The continuous growth of IP traffic in combination with emerging applications with various bandwidth demands is driving the introduction of elastic optical network (EON) with flex grid. EON can increase spectrum utilization by better matching data rate with the allocated bandwidth and improve the spectral efficiency by multi-carrier and high-order modulation solutions. In this article the architecture and key technologies for physical layers of EON will be introduced. We propose optical-comb based bandwidth-variable optical transponder and optical switching node supporting software definition. Key technologies for physical layer of elastic optical networks are experimentally demonstrated, including bandwidth-variable add/drop, subband switching, spectrum conversion, defragmentation and multicasting for optical superchannel.
Keywords :
IP networks; bandwidth allocation; optical fibre networks; optical modulation; software defined networking; telecommunication traffic; transponders; EON technologies; IP traffic; bandwidth-variable add/drop; elastic optical networks; high-order modulation solutions; optical superchannel; optical switching node; optical-comb based bandwidth-variable optical transponder; software definition; spectral efficiency; spectrum conversion; subband switching; Multicast communication; Optical fiber networks; Optical filters; Optical modulation; Optical pumping; Optical switches; Optical transmitters; Author´s Guideline; Paper format;
Conference_Titel :
Optical Communications and Networks (ICOCN), 2014 13th International Conference on
Conference_Location :
Suzhou
DOI :
10.1109/ICOCN.2014.6987060
