Chinese Optics Letters, 2016, 14 (4): 040602, Published Online: Aug. 6, 2018   

Flexible multidimensional modulation formats based on PM-QPSK constellations for elastic optical networks Download: 844次

Author Affiliations
1 State Key Lab of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China
2 ZTE Corporation, Beijing 100191, China
Abstract
We demonstrate flexible multidimensional modulation formats, polarization multiplexed k-symbol check quadrature phase shift keying (PM-kSC-QPSK), based on PM-QPSK constellations for elastic optical networks. The experimental results show a significant optical signal noise ratio (OSNR) tolerance improvement for PM-2SC-QPSK and PM-4SC-QPSK over PM-QPSK in both back-to-back and 500 km transmission scenarios at the expense of spectral efficiency reduction. This flexible modulation method can be used in elastic optical networks to provide a trade-off between the spectral efficiency and OSNR tolerance.

Zilong He, Wentao Liu, Bailin Shen, Xue Chen, Xiqing Gao, Sheping Shi, Qi Zhang, Dongdong Shang, Yongning Ji, Yingfeng Liu. Flexible multidimensional modulation formats based on PM-QPSK constellations for elastic optical networks[J]. Chinese Optics Letters, 2016, 14(4): 040602.

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