1. Hoshida, T., O. Vassilieva, K. Yamada, S. Choudhary, R. Pecqueur, and H. Kuwahara, "Optimal 40 Gb/s modulation formats for spectrally efficient long-haul DWDM systems," IEEE J. Lightwave Technol., Vol. 20, 1989, 2002.
doi:10.1109/JLT.2002.806761 Google Scholar
2. Hayee, M. I. and A. E. Willner, "NRZ versus RZ in 10-40-Gb/s dispersion managed WDM transmission systems," IEEE Photonics Technol. Lett., Vol. 11, 991-993, 1999.
doi:10.1109/68.775323 Google Scholar
3. Hodzik, A., B. Konrad, and K. Petemann, "Alternative modulation formatsin N 40 Gb/s WDM standard fiber RZ-transmission systems," IEEE J. Lightwave Technol., Vol. 20, 598, 2002.
doi:10.1109/50.996579 Google Scholar
4. Shahiand, S. N. and S. Kumar, "Reduction of nonlinear impairments in fiber transmission system using fiber and/or transmitter diversity," Opt. Commun., Vol. 285, 3553-3558, 2012.
doi:10.1016/j.optcom.2012.04.019 Google Scholar
5. Abed, H. J., N. M. Din, M. H. Al-Mansoori, H. A. Fadhil, and F. Abdullah, "Recent four-wave mixing suppression methods," Optik, Vol. 124, 2214-2218, 2013.
doi:10.1016/j.ijleo.2012.06.082 Google Scholar
6. Abd, H. J., M. H. Al-Mansoori, N. M. Din, F. Abdullah, and H. A. Fadhil, "Priority-based parameter optimization strategy for reducing the effects of four-wave mixing on WDM system," Optik, Vol. 125, 25, 2014.
doi:10.1016/j.ijleo.2013.06.002 Google Scholar
7. Abd, H., N. M. Din, M. H. Al-Mansoori, F. Abdullah, and H. A. Fadhil, "Four-wave mixing crosstalk suppression based on the pairing combinations of differently linear-polarized optical signals," Sci. World J., Vol. 2014, Article ID 243795, 1, 2014. Google Scholar
8. Abd, H. J., M. H. Al-Mansoori, N. M. Din, F. Abdullah, and H. A. Fadhil, "Four-wave mixing reduction technique based on smart filter approach," International Journal of Electronics, Vol. 102, No. 6, 1056-1070, 2015.
doi:10.1080/00207217.2014.963890 Google Scholar
9. Abed, H. J., N. M. Din, M. H. Al-Mansoori, F. Abdullah, and H. A. Fadhil, "Comparison among different types of advanced modulation formats under four wave mixing effects," Ukrainian Journal of Physics, Vol. 58, No. 4, 326-334, 2013.
doi:10.15407/ujpe58.04.0326 Google Scholar
10. Abd, H. J. and M. S. Almahanna, "Suppression of nonlinear effect for high data transmission rate with a WDM using the optimization properties," Ukrainian J. of Physics, Vol. 62, 583-588, 2017.
doi:10.15407/ujpe62.07.0583 Google Scholar
11. Salim, N., H. J. Abd, A. N. Aljamal, and A. H. Jaber, "Four-wave mixing suppression method based on odd-even channels arrangement strategy," Progress In Electromagnetics Research, Vol. 66, 163-172, 2018. Google Scholar
12. Abd, H. J., N. M. Din, M. H. Al-Mansoori, F. Abdullah, and H. A. Fadhil, "Mitigation of FWM crosstalk in WDM system using polarization interleaving technique," 2013 IEEE 4th International Conference on Photonics (ICP), 117-119, 2013.
doi:10.1109/ICP.2013.6687086 Google Scholar
13. Abed, H. J., N. M. Din, M. H. Al-Mansoori, F. Abdullah, N. Salim, and H. A. Fadhil, "A new FWM reduction technique based on damping selective wavelengths," Ukrainian Journal of Physics, Vol. 58, No. 10, 956-961, 2013.
doi:10.15407/ujpe58.10.0956 Google Scholar
14. Jabber, A. H., N. M. Din, M. H. Al-Mansoori, F. Abdullah, H. A. Fadhl, and N. Salim, "Influence of four wave mixing on modulation format performance under 100 Gb/s data rate," 2012 IEEE Student Conference on Research and Development (SCOReD), 129-133, 2012.
doi:10.1109/SCOReD.2012.6518625 Google Scholar
15. Agrawal, G. P., Nonlinear Fiber Optics, Academic Press, 2001.
16. Agrawal, G. P., Applications of Nonlinear Fiber Optics, Academic Press, 2001.
17. Hayee, M. I. and A. E. Willner, "NRZ versus RZ in 10-40-Gb/s dispersion managed WDM transmission systems," IEEE Photonics Technol. Lett., Vol. 11, 991-993, 1999.
doi:10.1109/68.775323 Google Scholar
18. Bosco, G., A. Carena, V. Curri, R. Gaudino, and P. Poggiolini, "On the use of NRZ, RZ, and CSRZ modulation at 40Gb/s with narrow DWDM channel spacing," J. Lightwave Technol., Vol. 20, No. 9, 1694, 2002.
doi:10.1109/JLT.2002.806309 Google Scholar
19. Hodzik, A., B. Konrad, and K. Petemann, "Alternative modulation formats in N 40 Gb/s WDM standard fiber RZ-transmission systems," IEEE J. Lightwave Technol., Vol. 20, 598, 2002.
doi:10.1109/50.996579 Google Scholar
20. Dahan, D. and G. Eisenstein, "Numerical comparison between distributed and discrete amplification in a point-to-point 40-Gb/s 40-WDM-based transmission system with three different modulation formats," J. Lightwave Technol., Vol. 20, 379, 2002.
doi:10.1109/50.988986 Google Scholar
21. Kaler, R. S., A. K. Sharma, and T. S. Kamal, "Simulation results for DWDM systems with ultra-high capacity," Int. J. Fiber Integrated Opt., Vol. 21, No. 5, 2002. Google Scholar
22. Winzer, P. J. and R.-J. Essiambre, "Advanced optical modulation formats," Proceedings of the IEEE, Vol. 94, No. 5, 952-985, May 2006.
doi:10.1109/JPROC.2006.873438 Google Scholar
23. Singh, S. and R. S. Kaler, "Simulation of DWDM signals using optimum span scheme with cascaded optimized semiconductor optical amplifiers," Optik --- Int. J. Light Electron. Opt., Vol. 118, 74-82, 2007.
doi:10.1016/j.ijleo.2006.02.002 Google Scholar
24. Inoue, K., K. Nakanishi, K. Oda, and H. Toba, "Crosstalk and power penalty due to fiber four-wave mixing in multichannel transmissions," J. Lightwave Technol., Vol. 12, 1423, 1994.
doi:10.1109/50.317531 Google Scholar
25. Singh, S. P., S. Kar, and V. K. Jain, "Performance of all-optical WDM network in presence of four-wave mixing," Optical Amplifier Noise, and Wavelength Converter Noise, Vol. 26, 79-97, 2007. Google Scholar
26. Ema, K., M. Kuwata-Gonokami, and F. Shimizu, "All optical subTbits/s serial to parallel conversion using excitonic giant nonlinearity," Appl. Phys. Lett., Vol. 59, 2799, 1991.
doi:10.1063/1.105864 Google Scholar