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A novel scheme of all-optical 3R regeneration has been proposed in this paper. Using degraded data signal rather than clock as a pump, all-optical 40Gbps 3R regeneration based on a fiber optical parametric amplification effect (FOPA) is realized with improved performance compared with previous regeneration schemes. Theoretical analysis of the noise suppression mechanism under different pump power (corresponding to "0" code or "1" code) is provided. By properly adjusting the parameters of FOPA, amplitude noise on both "0" code and "1" code can be suppressed simultaneously. The clock extraction is based on wavelenth conversion and a Fabry-Pérot (F-P) filter with a high Q value of 1000. The theoretical analysis conclusions are verified through experiments, and the imbalance of the 3R regeneration using fiber optical parametric amplication is eliminated. The root mean square (RMS) jitter of the clock extracted is only 180fs. The signal-to-noise ratio of the regenerated signal is improved from 4.52 to 11.43.
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Keywords:
- optical communication /
- 3R regeneration /
- fiber-optic parametric amplification /
- optical decision
[1] Lou C Y, Wang T, Huo L, Gao Y Z, Zhang E Y 2005 Acta Opt. Sin. 25 1467(in Chinese) [娄采云、王 桐、霍 力、高以智、章恩耀 2005 光学学报 25 1467]
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[12] Agrawal G P 2002 Nonlinear Fiber Optics&Applications of Nonlinear Fiber Optics Third Edition (Beijing:Publishig House of Electronics Industry) p246 (in Chinese)[阿戈沃 2002 非线性光纤光学原理及应用(北京:电子工业出版社)第246页]
[13] Inoue K 2001 IEEE Photon. Technol. Lett. 13 338
[14] Demir A 2006 IEEE Transactions on Ciruits and Systems. 53 1869
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[1] Lou C Y, Wang T, Huo L, Gao Y Z, Zhang E Y 2005 Acta Opt. Sin. 25 1467(in Chinese) [娄采云、王 桐、霍 力、高以智、章恩耀 2005 光学学报 25 1467]
[2] Yu J L, Wang Y T, Zhang A X, Zhang Y D, Zhu L K, Li Y N, Hu H, Wang W R, Wang Z R, Lü J, Wang X B, Zhang L T, Yang E Z 2007 Acta Opt. Sin. 27 801(in Chinese)[于晋龙、王耀天、张爱旭、张艳冬、朱利凯、李亚男、胡 浩、王文睿、王卓然、吕 捷、王新兵、张立台、杨恩泽 2007 光学学报 27 801]
[3] Wang Y T, Yu J L, Zhu L K, Zhang Y D, Yang E Z 2005 Asia- Pacific Optical Communications( APOC) Shanghai, China, November 6—10 2005 p6021B-1
[4] Jiang Y, Yu J L, Hu H, Zhang A X, Zhang L T, Wang W R, Yang E Z 2008 Acta Phys. Sin. 57 2994(in Chinese) [江 阳、于晋龙、胡 浩、张爱旭、张立台、王文睿、杨恩泽 2008 57 2994]
[5] Li Y, Li G 2003 Optical Fiber communication/National Fiber Optic Engineers Conference (OFC/NFOEC) Atlanta, America, March 23—28, 2003 p349
[6] Yu C, Luo T, Zhang B, Pan Z, Adler M, Wang Y, McGeehan J E, Willner A E 2005 Optical Fiber communication/National Fiber Optic Engineers Conference (OFC/NFOEC) Los Angeles, America, March 6—11, 2005 pOTU01
[7] Su Y K, Wang L J, Agarwal A, Kumar P 2000 Optical Fiber communication/National Fiber Optic Engineers Conference (OFC/NFOEC) Baltimore, America, March 7—10,2000 pMG4-1
[8] Yu J L, Luo J, Han B C, Guo J Z, Wu B, Wang J, Zhang X Y, Yang E Z 2010 Acta Phys. Sin. 59 6139 (in Chinese)[于晋龙、罗 俊、韩丙辰、郭精忠、吴 波、王 菊、张晓媛、杨恩泽 2010 59 6139]
[9] Torounidis T, Westlund M, Sunnerud H, Olsson B, Andrekson P A 2005 IEEE Photon. Technol. Lett. 17 312
[10] Miao X R, Gao S M, Gao Y 2008 Acta Phys. Sin. 57 7699(in Chinese)[苗向蕊、高士明、高 莹 2008 57 7699]
[11] Kylemark P, Sunnerud H, Karlsson M, Andrekson P A 2006 IEEE J. Lightwave Technol. 24 3471
[12] Agrawal G P 2002 Nonlinear Fiber Optics&Applications of Nonlinear Fiber Optics Third Edition (Beijing:Publishig House of Electronics Industry) p246 (in Chinese)[阿戈沃 2002 非线性光纤光学原理及应用(北京:电子工业出版社)第246页]
[13] Inoue K 2001 IEEE Photon. Technol. Lett. 13 338
[14] Demir A 2006 IEEE Transactions on Ciruits and Systems. 53 1869
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