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The analytic function for the amplified spontaneous emission spectrum of InP/InGaAsP multi-quantum wells is studied by spectrum fitting. Three fitting functions, Lorentz, Gaussian and Sech line shape functions are chosen, and the analytical expressions for the above three functions are obtained with Levenberg-Marquardt algorithm, respectively. The center wavelength of Lorentz line shape function spectrum fitting is 1548.707 nm with 66.23 nm of full-width half maximum (FWHM), -0.00036484 mW power compensation, 0.98294 of R-square and 4.7674310-6 of residual sum of squares; the center wavelength of Gaussian line shape function spectrum fitting is 1548.651 nm with 61.42 nm of FWHM, 0.00212 mW power compensation, 0.99191 of R-square and 2.2650510-6 of residual sum of squares; the center wavelength of Sech line shape function spectrum fitting is 1548.787 nm with 36.99 nm of FWHM, 0.00222 mW power compensation, 0.98128 of R-square and 5.2433110-6 of residual sum of squares. It can be seen that Gaussian line shape function spectrum fitting has the highest R-square and smallest residual sum of squares, and the residual squares of data are symmetrically distributed among 0.0001. Gaussian line shape function spectrum fitting has higher fitting degree. It is demonstrated that InP/InGaAsP multi-quantum wells is a kind of active layer quantum well structure semiconductor material, whose amplified spontaneous emission spectrum line shape belongs to inhomogeneous broadening due to the effect of lattice defects, the corresponding line shape function is Gaussian line shape function, and the amplified spontaneous emission spectrum line shape function can be used for designing the optical passive devices.
[1] Zhang B, Hou Y B, Lou Z D, Teng F, Liu X J, Hu B, Meng L C, Wu W B 2012 Chin. Phys. B 21 084212
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[18] Chen H Y 2016 Laser Principles and Technology (Beijing:National Defense Industry Press) pp75-78 (in Chinese)[陈海燕 2016 激光原理与技术(北京:国防工业出版社) 第7578页]
[19] Lazaridis P, Debarge G, Gallion P 1995 Opt. Lett. 20 1160
[20] Chen H Y 2013 Optik 124 3015
[21] Karas E W, Santos S A, Svaiter B F 2016 Comput. Optim. Appl. 65 723
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[1] Zhang B, Hou Y B, Lou Z D, Teng F, Liu X J, Hu B, Meng L C, Wu W B 2012 Chin. Phys. B 21 084212
[2] Hariri A, Sarikhani S 2015 Chin. Phys. B 24 043201
[3] Xing R, Xie S Y, Xu J P, Yang Y P 2016 Chin. Phys. B 25 104204
[4] Duan Z G, Huang X D, Zhou N, Xu G H, Chai G Y 2010 Acta Phys. Sin. 59 6193 (in Chinese)[段子刚, 黄晓东, 周宁, 徐光辉, 柴广跃 2010 59 6193]
[5] Wang W J, Wang H L, Gong Q, Song Z T, Wang H, Feng S L 2013 Acta Phys. Sin. 62 237104 (in Chinese)[王文娟, 王海龙, 龚谦, 宋志棠, 汪辉, 封松林 2013 62 237104]
[6] Yang W X, Dai P, Ji L, Tan M, Wu Y Y, Uchida S, Lu S L, Yang H 2016 Appl. Surf. Sci. 389 673
[7] Xi S P, Gu Y, Zhang Y G, Chen X Y, Ma Y J, Zhou L, Du B, Shao X M, Fang J X 2016 Infrared Phys. Techn. 75 65
[8] Amiri I S, Ariannejad M M, Ahmad H 2016 Chin. J. Phys. 54 780
[9] Ke Q, Tan S Y, Liu S T, Lu D, Zhang R K, Wang W, Ji C 2015 J. Semicond. 36 094010
[10] Nikufard M, Rostami Khomami A 2016 Opt. Quant. Electron. 48 296
[11] Kotb A, Maeda J 2012 Optoelectron. Lett. 8 437
[12] Schubert C, Ludwig R, Weber H G 2005 J. Opt. Comm. Rep. 2 171
[13] Won Y Y, Kwon H C, Hong M K, Han S K 2009 Opt. Quant. Electron. 41 113
[14] Huang L R, Huang D X, Zhang X L 2006 J. Semicond. 27 1471 (in Chinese)[黄黎蓉, 黄德修, 张新亮 2006 半导体学报 27 1471]
[15] Yeh C H, Chow C W, Chen J H, Lu S S 2012 Laser Phys. 22 1700
[16] Lin T, Sun H, Zhang H Q, Wang Y G, Lin N, Ma X Y 2015 J. Alloy. Compd. 631 283
[17] Xia M J, Ghafouri-Shiraz H 2016 Opt. Commun. 364 60
[18] Chen H Y 2016 Laser Principles and Technology (Beijing:National Defense Industry Press) pp75-78 (in Chinese)[陈海燕 2016 激光原理与技术(北京:国防工业出版社) 第7578页]
[19] Lazaridis P, Debarge G, Gallion P 1995 Opt. Lett. 20 1160
[20] Chen H Y 2013 Optik 124 3015
[21] Karas E W, Santos S A, Svaiter B F 2016 Comput. Optim. Appl. 65 723
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