Flexible multidimensional modulation formats based on PM-QPSK constellations for elastic optical networks

Zilong He; Wentao Liu; Bailin Shen; Xue Chen; Xiqing Gao; Sheping Shi; Qi Zhang; Dongdong Shang; Yongning Ji; Yingfeng Liu

doi:10.3788/COL201614.040602

Journals >Chinese Optics Letters >Volume 14 >Issue 4 >Page 040602 > Article

Chinese Optics Letters
Vol. 14, Issue 4, 040602 (2016)

Flexible multidimensional modulation formats based on PM-QPSK constellations for elastic optical networks

Zilong He^1、*, Wentao Liu¹, Bailin Shen², Xue Chen¹, Xiqing Gao¹, Sheping Shi², Qi Zhang², Dongdong Shang², Yongning Ji², and Yingfeng Liu²

Author Affiliations

¹State Key Lab of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China

²ZTE Corporation, Beijing 100191, China

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DOI: 10.3788/COL201614.040602 Cite this Article Set citation alerts

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 Copy Citation Text

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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.