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According to the wave equation used when the optical pulse propagation in the fiber, the nonlinear coupled equation is a deduced under the joint actions of Raman effect and parametric amplification in the birefringent. with Lorentzian model of parallel Raman gain spectrum, the gain is obtained by combining the Raman effect and the parametric amplification when the pump wave polarization is oriented at 45 between the birefringent fiber axes. The gain spectrum is discussed as a function of the input parameters (input power, the group velocity mismatch) in different dispersion regimes. The result shows that Stokes and anti-Stokes gain spectra are asymmetric because of Raman effect. The gain appears as primarily anti-Stokes wave in anomalous dispersion regime, and Stokes wave in normal dispersion regime.
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Keywords:
- birefringent fiber /
- Raman effect /
- parametric amplification /
- gain spectrum
[1] Wu C Q, Fu S N, Dong H 2002 Acta Phys. Sin. 51 2542 (in Chinese) [吴重庆, 付松年, 董晖 2002 51 2542]
[2] Liu X Y, Zhang F D, Zhang M 2007 Chin. Phys. 16 1710
[3] Seve E, Dinda P T, Millot G 1996 Phys. Rev. A 54 3519
[4] Shang T 2007 Theoretical study on raman amplifier and optical parameter amplifier based on photonic crystal fiber (Shanghai: Shanghai Jiaotong University)
[5] Lehtonen M, Genty G, Ludvigsen H, Kaivola M 2003 Phys. Lett. 82 2197
[6] Proulx A, Menard J M, Ho N, Laniel J M, Vallee R 2003 Opt. Express 11 3338
[7] Vanholseeck, Emplit F P, Coen S 2003 Optics Letters 28 1960
[8] Lin Q, Agrawal G P 2006 Optics Letters 31 3086
[9] Agrawal G P 2001 Nonlinear Fiber Optics Third Edition & Applications of Nonlinear Fiber Optics (Boston: Academic Press)
[10] Jia W G, Zhou Y Y, Han Y M 2009 Acta Phys. Sin. 58 6323 (in Chinese) [贾维国, 周彦勇, 韩永明 2009 58 6323]
[11] Trillo S, Wabnitz S 1992 Opt. Soc. Am. B 9 1061
[12] Wang X Y, Jia W G, Yin J Q 2011 Acta Optica Sinica 2011 31 606001 (in Chinese) [王旭颖, 贾维国, 尹建全 2011 光学学报 31 606001]
[13] Park H G, Park J D, Lee S S 1987 Appl. Opt. 26 2974
[14] Chee J K, Liu J M 1989 IEEE J. Quantum Electron. 14 820
[15] Tianprateep M, Tada J, Kannari F 2005 Opt. Rev. 12 179
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[1] Wu C Q, Fu S N, Dong H 2002 Acta Phys. Sin. 51 2542 (in Chinese) [吴重庆, 付松年, 董晖 2002 51 2542]
[2] Liu X Y, Zhang F D, Zhang M 2007 Chin. Phys. 16 1710
[3] Seve E, Dinda P T, Millot G 1996 Phys. Rev. A 54 3519
[4] Shang T 2007 Theoretical study on raman amplifier and optical parameter amplifier based on photonic crystal fiber (Shanghai: Shanghai Jiaotong University)
[5] Lehtonen M, Genty G, Ludvigsen H, Kaivola M 2003 Phys. Lett. 82 2197
[6] Proulx A, Menard J M, Ho N, Laniel J M, Vallee R 2003 Opt. Express 11 3338
[7] Vanholseeck, Emplit F P, Coen S 2003 Optics Letters 28 1960
[8] Lin Q, Agrawal G P 2006 Optics Letters 31 3086
[9] Agrawal G P 2001 Nonlinear Fiber Optics Third Edition & Applications of Nonlinear Fiber Optics (Boston: Academic Press)
[10] Jia W G, Zhou Y Y, Han Y M 2009 Acta Phys. Sin. 58 6323 (in Chinese) [贾维国, 周彦勇, 韩永明 2009 58 6323]
[11] Trillo S, Wabnitz S 1992 Opt. Soc. Am. B 9 1061
[12] Wang X Y, Jia W G, Yin J Q 2011 Acta Optica Sinica 2011 31 606001 (in Chinese) [王旭颖, 贾维国, 尹建全 2011 光学学报 31 606001]
[13] Park H G, Park J D, Lee S S 1987 Appl. Opt. 26 2974
[14] Chee J K, Liu J M 1989 IEEE J. Quantum Electron. 14 820
[15] Tianprateep M, Tada J, Kannari F 2005 Opt. Rev. 12 179
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