Compensation of pulse shape distortion due to chromatic dispersion and Kerr effect by optical phase conjugation

1993 ◽  
Vol 5 (10) ◽  
pp. 1241-1243 ◽  
Author(s):  
S. Watanabe ◽  
T. Chikama ◽  
G. Ishikawa ◽  
T. Terahara ◽  
H. Kuwahara
Keyword(s):  
Kerr Effect ◽  
Pulse Shape ◽  
Phase Conjugation ◽  
Chromatic Dispersion ◽  
Optical Phase Conjugation ◽  
Shape Distortion ◽  
Optical Phase

scholarly journals Impact of Frequency Shift on Nonlinear Compensation Using Optical Phase Conjugation for M-QAM Signals

2019 ◽  
Author(s):  
Binh Nguyen ◽  
Hung Tan Nguyen ◽  
Dien Van Nguyen ◽  
Tuan Van Nguyen ◽  
Quang The Nguyen
Keyword(s):  
Frequency Shift ◽  
High Speed ◽  
Second Harmonic ◽  
Phase Conjugation ◽  
Chromatic Dispersion ◽  
Optical Phase Conjugation ◽  
Actual System ◽  
Optical Phase ◽  
Nonlinear Compensation ◽  
The Impact

Nonlinear compensation using optical phase conjugation (OPC) have been considered a promising technique to increase the reach of high-speed fiber-optic transmission systems. OPC-based nonlinear compensation employs an optical phase conjugation located at a middle of the fiber link to generate a complexed conjugated signal with respect the signal in the first half of the link for propagation in the second half. OPC technique assumes a symmetry for signal propagating in the first and second half to obtain a perfect nonlinear and chromatic dispersion. However, as most of practical OPC schemes are realized by nonlinear effects such as four-wave mixing or a combination of second-harmonic generation and difference frequency generation, the frequency shift induced by OPC affects the signal symmetrical requirement for nonlinear compensation because the chromatic dispersion is different for the first and second half transmissions. In this paper, we investigate the impact of frequency shift on the nonlinear compensation using OPC for high symbol rate, high level modulation format signals. This will be important to understand the tolerance of the OPC techniques against such a practical condition for actual system implementations.

scholarly journals Optical Phase Conjugation Using Nonlinear SOA for Nonlinearity and Dispersion Compensation of Coherent Multi-Carrier Lightwave Systems

IEEE Access ◽  
2021 ◽  
Vol 9 ◽  
pp. 44059-44068
Author(s):  
Lakshmi Narayanan Venkatasubramani ◽  
Aneesh Sobhanan ◽  
Anirudh Vijay ◽  
R. David Koilpillai ◽  
Deepa Venkitesh
Keyword(s):  
Phase Conjugation ◽  
Dispersion Compensation ◽  
Optical Phase Conjugation ◽  
Optical Phase

scholarly journals Enhancing the Signal Power Symmetry for Optical Phase Conjugation Using Erbium-Doped-Fibre-Assisted Raman Amplification

IEEE Access ◽  
2020 ◽  
Vol 8 ◽  
pp. 222766-222773
Author(s):  
Mingming Tan ◽  
Tu Thanh Nguyen ◽  
Pawel Rosa ◽  
Mohammad Ahmad Zaki Al-Khateeb ◽  
Tingting Zhang ◽  
...  
Keyword(s):  
Phase Conjugation ◽  
Signal Power ◽  
Optical Phase Conjugation ◽  
Raman Amplification ◽  
Optical Phase ◽  
Erbium Doped
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