Comparison of the compensation effects of fiber nonlinear impairments with mid-span optical phase conjugation between PDM CO-OFDM system and PDM QPSK system

doi:10.1088/1674-1056/25/8/084208

Abstract The compensation effects of fiber nonlinearity in 112 Gb/s polarization division multiplexing (PDM) coherent optical systems by mid-span optical phase conjugation (OPC) based on four wave mixing (FWM) effect are studied. Comparisons of the compensation results between PDM coherent optical-orthogonal frequency division multiplexing (CO-OFDM) system and the single carrier (SC) PDM quadrature phase shift keying (QPSK) system are provided as well. The results demonstrate that nonlinear compensation effect with mid-span OPC in PDM CO-OFDM system is much more obvious than that in SC PDM QPSK system.

Keywords: nonlinear compensation mid-span OPC PDM CO-OFDM QPSK

Received: 11 January 2016
Revised: 15 March 2016
Accepted manuscript online:

PACS:	42.65.-k	(Nonlinear optics)
	42.65.Hw	(Phase conjugation; photorefractive and Kerr effects)
	42.55.Wd	(Fiber lasers)
	42.60.-v	(Laser optical systems: design and operation)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 61271192, 61427813, and 61331010) and the National Basic Research Program of China (Grant No. 2013AA013401).

Corresponding Authors: Yao-Jun Qiao
E-mail: qiao@bupt.edu.cn

Cite this article:

Fei Xu(徐菲), Meng-Qi Guo(郭梦琪), Lei Wang(王蕾), Yao-Jun Qiao(乔耀军), Hui-Ping Tian(田慧平) Comparison of the compensation effects of fiber nonlinear impairments with mid-span optical phase conjugation between PDM CO-OFDM system and PDM QPSK system 2016 Chin. Phys. B 25 084208

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Comparison of the compensation effects of fiber nonlinear impairments with mid-span optical phase conjugation between PDM CO-OFDM system and PDM QPSK system

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