{"title":"Analysis of FWM Penalties in DWDM Systems Based on G.652, G.653, and G.655 Optical Fibers","authors":"Paula B. Harboe, Edilson da Silva, Jos\u00e9 R. Souza","volume":24,"journal":"International Journal of Electronics and Communication Engineering","pagesStart":2674,"pagesEnd":2681,"ISSN":"1307-6892","URL":"https:\/\/publications.waset.org\/pdf\/7342","abstract":"This paper presents an investigation of the power\r\npenalties imposed by four-wave mixing (FWM) on G.652 (Single-\r\nMode Fiber - SMF), G.653 (Dispersion-Shifted Fiber - DSF), and\r\nG.655 (Non-Zero Dispersion-Shifted Fiber - NZDSF) compliant\r\nfibers, considering the DWDM grids suggested by the ITU-T\r\nRecommendations G.692, and G.694.1, with uniform channel\r\nspacing of 100, 50, 25, and 12.5 GHz. The mathematical\/numerical\r\nmodel assumes undepleted pumping, and shows very clearly the\r\ndeleterious effect of FWM on the performance of DWDM systems,\r\nmeasured by the signal-to-noise ratio (SNR). The results make it\r\nevident that non-uniform channel spacing is practically mandatory\r\nfor WDM systems based on DSF fibers.","references":"[1] P. B. Harboe, D. S. Godoy, and J. R. Souza, \"WDM simulator for\r\ndispersive, nonlinear, and lossy optical fibers\", in Proc. MOMAG 2006:\r\n12th SBMO - Brazilian Microwave and Optoelectronics Symposium, and\r\n7th CBMAG - Brazilian Congress on Electromagnetism, S\u251c\u00fao Caetano do\r\nSul - SP, Brazil, September 2006 (in Portuguese).\r\n[2] D. S. Godoy, \"WDM simulator for dispersive, nonlinear, and lossy\r\noptical fibers\", MSc dissertation presented to the Department of\r\nTelecommunication Engineering of the Federal Fluminense University,\r\nNiter\u251c\u2502i - RJ, Brazil, December 2006 (in Portuguese).\r\n[3] [3] G. P. Agrawal, \"Nonlinear Fiber Optics\" (4th edition), Academic\r\nPress, San Diego, USA, 2006.\r\n[4] P. B. Harboe, and J. R. Souza, \"Analysis of four-wave mixing in\r\noptical fiber links with non-uniform chromatic dispersion\", Microwave\r\nand Optical Tech. Letters, vol. 39, no. 2, pp. 102-105, October 2003.\r\n[5] W. Zeiler, \"Modeling of four-wave mixing in optical\r\nmultiwavelength transmission systems using dispersion management\",\r\nResearch Report, University College London, London, November 1995.\r\n[6] E. da Silva, \"Analysis of penalties imposed by FWM on WDM\r\nsystems\", MSc dissertation presented to the Department of\r\nTelecommunication Engineering of the Federal Fluminense University,\r\nNiter\u251c\u2502i - RJ, Brazil, July 2008 (in Portuguese).\r\n[7] P. B. Harboe, E. da Silva, and J. R. Souza, \"WDM simulator for the\r\nanalysis of power penalties imposed by FWM in G.652, G.653, and\r\nG.655 compliant fibers\", in Proc. MOMAG 2008: 13th SBMO -\r\nBrazilian Microwave and Optoelectronics Symposium, and 8th\r\nCBMAG - Brazilian Congress on Electromagnetism, Florian\u251c\u2502polis -\r\nSC, Brazil, September 2008 (in Portuguese).\r\n[8] K. Nakajima, M. Ohashi, Y. Miyajima, and K. Shiraki, \"Assessment\r\nof dispersion varying fibre in WDM system\", Electronics Letters, vol.\r\n33, no. 12, pp. 1059-1060, June 1997.\r\n[9] P. B. Harboe, E. da Silva, and J. R. Souza, \"FWM in DWDM\r\nsystems: non-uniform versus uniform channel spacing\", in Proc.\r\nSBrT'08: XXVI Brazilian Telecommunication Symposium, Rio de\r\nJaneiro - RJ, Brazil, September 2008 (in Portuguese).\r\n[10] S. Kojima, and T. Numai, \"Theoretical analysis of modified\r\nrepeated unequally spaced frequency allocations in FDM lightwave\r\ntransmission systems\", J. Lightwave Tech., vol. 24, no. 7, pp.\r\n2786-2797, July 2006.","publisher":"World Academy of Science, Engineering and Technology","index":"Open Science Index 24, 2008"}