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The coherence properties of the supercontinuum generated by a picosecond pulse in normal dispersion region of highly nonlinear fiber are numerically calculated and analyzed at different input noise powers by introducing the definition of the complex degree of mutual coherence. The results show that the coherence of the generated supercontinuum is affected by the noise ratio of the picosecond pulse. The coherence of the spectrum sidelobes generated by optical wave breaking is lower than that of the center part of the spectrum. The chirp of pulse and shape of pulse do not have an obvious effect on the coherence of the broaden spectrum. Low noise power input is required to obtain high coherent supercontinuum, and the pump power and waveshape should be optimized to obtain the wide bandwidth and high coherent supercontinuum.
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Keywords:
- supercontinuum /
- coherence property /
- highly nonlinear fiber /
- complex degree of mutual coherence
[1] Lin C,Stolen R 1976 Appl. Phys. Lett. 28 216
[2] Anderson D, Desaix M, Lisak M, Quiroga-Teixeiro M L 1992 JOSA B 9 1358
[3] Agrawal G P 2007 Nonlinear Fiber Optics (4th Ed.) (San Diego: Claif) p31
[4] Taccheo S, Ennser K 2002 IEEE Photon. Technol. Lett. 14 1100
[5] Dudley J M, Coen S 2002 Opt. Lett. 27 1180
[6] Nakazawa M, Tamura K, Kubota H, Yoshida E 1998 Opt. Fiber Technol. 4 215
[7] Gu X, Kimmel M, Shreenath A, Trebino R, Dudley J, Coen S, Windeler R 2013 Opt. Express 11 2697
[8] Jin A J, Wang Z F, Hou J, Guo L, Jiang Z F 2012 Acta Phys. Sin. 61 124211 (in Chinese) [靳爱军, 王泽锋, 侯静, 郭良, 姜宗福 2012 61 124211]
[9] Li Y, Hou J, Wang Y B, Jin A J, Jiang Z F 2012 Acta Phys. Sin. 61 094212 (in Chinese) [李荧, 侯静, 王彦斌, 靳爱军, 姜宗福 2012 61 094212]
[10] Liu S L, Chen D N, Liu W, Niu H B 2013 Acta Phys. Sin. 62 184210 (in Chinese) [刘双龙, 陈丹妮, 刘伟, 牛憨笨 2013 62 184210]
[11] Song R, Hou J, Wang Z F, Xiao R, Lu Q S 2013 Chin. Phys. B 22 084206
[12] Li P, Shi L, Mao Q H 2013 Chin. Phys. B 22 074204
[13] Smith R G 1972 Appl. Opt. 11 2489
[14] Kobtsev Serguei M, Smirnov Serguei V 2005 Opt. Express 13 6912
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[1] Lin C,Stolen R 1976 Appl. Phys. Lett. 28 216
[2] Anderson D, Desaix M, Lisak M, Quiroga-Teixeiro M L 1992 JOSA B 9 1358
[3] Agrawal G P 2007 Nonlinear Fiber Optics (4th Ed.) (San Diego: Claif) p31
[4] Taccheo S, Ennser K 2002 IEEE Photon. Technol. Lett. 14 1100
[5] Dudley J M, Coen S 2002 Opt. Lett. 27 1180
[6] Nakazawa M, Tamura K, Kubota H, Yoshida E 1998 Opt. Fiber Technol. 4 215
[7] Gu X, Kimmel M, Shreenath A, Trebino R, Dudley J, Coen S, Windeler R 2013 Opt. Express 11 2697
[8] Jin A J, Wang Z F, Hou J, Guo L, Jiang Z F 2012 Acta Phys. Sin. 61 124211 (in Chinese) [靳爱军, 王泽锋, 侯静, 郭良, 姜宗福 2012 61 124211]
[9] Li Y, Hou J, Wang Y B, Jin A J, Jiang Z F 2012 Acta Phys. Sin. 61 094212 (in Chinese) [李荧, 侯静, 王彦斌, 靳爱军, 姜宗福 2012 61 094212]
[10] Liu S L, Chen D N, Liu W, Niu H B 2013 Acta Phys. Sin. 62 184210 (in Chinese) [刘双龙, 陈丹妮, 刘伟, 牛憨笨 2013 62 184210]
[11] Song R, Hou J, Wang Z F, Xiao R, Lu Q S 2013 Chin. Phys. B 22 084206
[12] Li P, Shi L, Mao Q H 2013 Chin. Phys. B 22 074204
[13] Smith R G 1972 Appl. Opt. 11 2489
[14] Kobtsev Serguei M, Smirnov Serguei V 2005 Opt. Express 13 6912
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