Impacts of dispersion maps on nonlinear distortion in distributed Raman amplified multi-span systems

Tong, Zhi; Wang, Huai; Jian, Shuisheng

doi:10.1016/j.ijleo.2006.11.007

Cited by 2 publications

(2 citation statements)

References 19 publications

(16 reference statements)

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“…That is, the EDFA dramatically increased the transmission distance without requiring a repeater, and eventually made it possible to use the SMF-based WDM network more simply, compactly, and economically [2]. Unfortunately, the EDFAs in an optical link amplify the intensity of the transmitted optical signal, and consequently induce the intensity-dependent nonlinear impairment of optical signals [3]. In an optically amplified and SMF-based transmission system, optical signal distortion due to nonlinear effects and chromatic dispersion effects may increase as the transmission distance increases, since the accumulated impacts of nonlinear effect interplaying with chromatic dispersion of SMF are not reset at the repeaters [2].…”

Section: Introductionmentioning

confidence: 99%

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Compensation of the Distorted WDM Signals by Symmetric Dispersion Map with Nonuniform Zero-Crossing Place of Accumulated Dispersion in Midway-OPC System

Chung,

Lee

2023

Applied Sciences

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The nonlinear Kerr effect and chromatic dispersion are the fundamental causes of optical signal degradation in single-mode fiber (SMF) and erbium-doped fiber-amplification (EDFA)-based wavelength division multiplexing (WDM) transmission. Dispersion management combined with a midway optical phase conjugator among the technologies for compensating for such optical signal distortion is known to not be limited by the modulation format and multiplexing technology. Optimization of the dispersion map can partially alleviate the capacity and maximum transmission distance limitations of the SMF and EDFA system. In this paper, we propose various types of symmetric dispersion maps in which the position of zero-crossing place of the cumulative dispersion is not constant, and analyze the effect of each dispersion map configuration on 40 Gb/s × 24-channel WDM signal distortion compensation. When designed with the residual dispersion per span (RDPS) around 400 ps/nm, it is confirmed that most of the proposed dispersion maps are more effective in compensating the distorted WDM signal than conventional dispersion map. In particular, we confirm that, among the proposed dispersion maps, the dispersion map in which the RDPS is designed uniformly for all fiber spans can increase the power margin of WDM channel and expand the range of the total residual dispersion in the dispersion-managed link.

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Section: Introductionmentioning

confidence: 99%

“…This profile is called the dispersion map [11]. It has been reported that nonlinear impact in EDFA-based can be well suppressed through the dispersion map optimization [3].…”

Section: Introductionmentioning

confidence: 99%

Compensation of the Distorted WDM Signals by Symmetric Dispersion Map with Nonuniform Zero-Crossing Place of Accumulated Dispersion in Midway-OPC System

Chung,

Lee

2023

Applied Sciences

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Analysis of periodic structure and distorted characteristic in hollow dielectric waveguide fibers

Wang

Liu

et al. 2012

Optik

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Impacts of dispersion maps on nonlinear distortion in distributed Raman amplified multi-span systems

Cited by 2 publications

References 19 publications

Compensation of the Distorted WDM Signals by Symmetric Dispersion Map with Nonuniform Zero-Crossing Place of Accumulated Dispersion in Midway-OPC System

Compensation of the Distorted WDM Signals by Symmetric Dispersion Map with Nonuniform Zero-Crossing Place of Accumulated Dispersion in Midway-OPC System

Analysis of periodic structure and distorted characteristic in hollow dielectric waveguide fibers

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