Chinese Optics Letters, 2010, 8 (3): 270, Published Online: Mar. 11, 2010  

Dynamic quality of transmission optimization and global impairments control in reconfigurable transparent WDM networks: schemes and demonstrations Download: 659次

Author Affiliations
Key Laboratory of Information Photonics and Optical Communications, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876, China
Abstract
Two novel dynamical quality of transmission (QoT) optimization schemes with explicit optimization targets and accurate end-to-end QoT estimation are proposed for reconfigurable transparent wavelength-division multiplexing (WDM) networks. Numerical simulations show that the scheme of quality (Q) best has the best Q factor improvement with large attenuation adjustment. The scheme of Q allowable can achieve minimized number of tuning sites and attenuation adjustment and also improve the Q factor of light path to the required value. In addition, the idea of dynamic QoT optimization and global impairment control has been experimentally demonstrated on a simple mesh network by the cooperation of a control plane and tunable devices.

Guanjun Gao, Jie Zhang, Xuping Cao, Lei Wang, Wanyi Gu. Dynamic quality of transmission optimization and global impairments control in reconfigurable transparent WDM networks: schemes and demonstrations[J]. Chinese Optics Letters, 2010, 8(3): 270.

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