1. Giles, C. R. and E. Desurvire, "Modeling erbium-doped fiber amplifiers," J. Lightwave Technol., Vol. 9, No. 2, 271-283, 1991.
doi:10.1109/50.65886 Google Scholar
2. Saleh, A. A. M., R. M. Jopson, J. D. Evankow, and J. Aspell, "Modeling of gain in erbium-doped fiber amplifiers," IEEE Photon. Technol. Lett., Vol. 2, No. 10, 714-717, 1990.
doi:10.1109/68.60769 Google Scholar
3. Yeh, C. H., C. C. Lee, and S. Chi, "S- plus C-band erbium-doped fiber amplifier in parallel structure," Opt. Commun., Vol. 241, 443-447, 2004.
doi:10.1016/j.optcom.2004.07.018 Google Scholar
4. Lu, Y. B., P. L. Chu, A. Alphones, and P. Shum, "A 105-nm ultrawide-band gain-flattened amplifier combining C- and L-band dual-core EDFAs in a parallel configuration," IEEE Photon. Technol. Lett., Vol. 16, No. 7, 1640-1642, 2004.
doi:10.1109/LPT.2004.827964 Google Scholar
5. Yamada, M., A. Mori, K. Kobayashi, H. Ono, T. Kanamori, K. Oikawa, Y. Nishida, and Y. Ohishi, "Gain-flattened tellurite-based EDFA with a flat amplification bandwidth of 76 nm," IEEE Photon. Technol. Lett., Vol. 10, No. 9, 1244-1246, 1998.
doi:10.1109/68.705604 Google Scholar
6. Ahn, J. T. and K. H. Kim, "All-optical gain-clamped erbiumdoped fiber amplifier with improved noise figure and freedom from relaxation oscillation," IEEE Photon. Technol. Lett., Vol. 16, No. 1, 84-86, 2004.
doi:10.1364/OPEX.13.004519 Google Scholar
7. Yi, L. L., L. Zhan, C. S. Taung, S. Y. Luo, W. S. Hu, Y. K Su, and Y. X. Xia, "Low noise figure all-optical gain-clamped parallel C+L band erbium-doped fiber amplifier using an interleaver," Opt. Express, Vol. 13, No. 12, 4519-4524, 2005.
doi:10.1364/OPEX.14.000570 Google Scholar
8. Yi, L. L., L. Zhan, W. S. Hu, Q. Tang, and Y. X. Xia, "Tunable gain-clamped double-pass erbium-doped fiber amplifier," Opt. Express, Vol. 14, No. 2, 570-574, 2006.
doi:10.1109/LPT.2004.823697 Google Scholar
9. Yi, L. L., L. Zhan, J. H. Ji, Q. H. Ye, and Y. X. Xia, "Improvement of gain and noise figure in double-pass L-band EDFA by incorporating a fiber Bragg grating," IEEE Photon. Technol. Lett., Vol. 16, No. 4, 1005-1007, 2004.
doi:10.1016/j.optcom.2004.06.023 Google Scholar
10. Singh, R., Sunanda, and E. K. Sharma, "Gain flattening by long period gratings in erbium doped fibers," Opt. Commun., Vol. 240, 123-132, 2004. Google Scholar
11. Liang, T. C. and S. Hsu, "The L-band EDFA of high clamped gain and low noise figure implemented using fiber Bragg grating and double-pass method," Opt. Commun., Vol. 281, 1134-1139, 2007.
doi:10.1109/68.896325 Google Scholar
12. Lu, Y. B. and P. L. Chu, "Gain flattening by using dual-core fiber in erbium-doped fiber amplifier," IEEE Photon. Technol. Lett., Vol. 12, No. 12, 1616-1617, 2000.
doi:10.1364/OE.15.001454 Google Scholar
13. Hung, C. M., N. K.Chen, Y. Lai, and S. Chi, "Double-pass high-gain low-noise EDFA over S- and C+L-bands by tunable fundamental-mode leakage loss," Opt. Express, Vol. 15, No. 4, 1454-1460, 2007.
doi:10.1016/j.optcom.2006.06.025 Google Scholar
14. Chang, C. L., L.Wang, and Y. J. Chiang, "A dual pumped doublepass L-band EDFA with high gain and low noise," Opt. Commun., Vol. 267, 108-112, 2006.
doi:10.1109/JQE.2003.817582 Google Scholar
15. Choi, B. H., H. H. Park, and M. J. Chu, "New pumped wavelength of 1540-nm band for long-wavelength-band erbium-doped fiber amplifier (L-band EDFA)," J. Quantum Electron., Vol. 39, No. 10, 1272-1280, 2003.
doi:10.1016/j.optcom.2007.01.039 Google Scholar
16. Pal, M., M. C. Paul, A. Dhar, A. Pal, R. Sen, K. Dasgupta, and S. K. Bhadra, "Investigation of the optical gain and noise figure for multi-channel amplification in EDFA under optimized pump condition," Opt. Commun., Vol. 273, 407-412, 2007.
doi:10.1016/S0030-4018(01)01312-8 Google Scholar
17. Martin, J. C., "Erbium transversal distribution influence on the effectiveness of a doped fiber: Optimization of its performance," Opt. Commun., Vol. 194, 331-339, 2001.
doi:10.1016/j.optcom.2005.05.049 Google Scholar
18. Cheng, C. and M. Xiao, "Optimization of an erbium-doped fiber amplifier with radial effects," Opt. Commun., Vol. 254, 215-222, 2005.
doi:10.1109/JLT.2006.881476 Google Scholar
19. Cheng, C. and M. Xiao, "Optimization of a dual pumped L-band erbium-doped fiber amplifier by genetic algorithm," J. Lightwave Technol., Vol. 24, No. 10, 3824-3829, 2006.
doi:10.1016/j.optcom.2003.09.055 Google Scholar
20. Cheng, C., Z. Xu, and C. Sui, "A novel design method: A genetic algorithm applied to an erbium-doped fiber amplifier," Opt. Commun., Vol. 227, 371-382, 2003.
doi:10.1016/j.optlastec.2004.01.006 Google Scholar
21. Cheng, C., "A global design of an erbium-doped fiber and an erbium-doped fiber amplifier," Opt. LaserT echnol., Vol. 36, 607-612, 2004.
doi:10.2528/PIER02062602 Google Scholar
22. Yau, D. and S. Crozier, "A genetic algorithm/method of moments approach to the optimization of an RF coil for MRI applications-theoretical considerations," Progress In Electromagnetics Research, Vol. 39, 177-192, 2003.
doi:10.2528/PIER03090501 Google Scholar
23. Lucci, L., R. Nesti, G. Pelosi, and S. Selleri, "Phase centre optimization in profiled corrugated circulator horns with parallel genetic algorithms," Progress In Electromagnetics Research, Vol. 46, 127-142, 2004.
doi:10.2528/PIER07031506 Google Scholar
24. Meng, Z. Q., "Autonomous genetic algorithm for functional optimization," Progress In Electromagnetics Research, Vol. 72, 253-268, 2007.
doi:10.2528/PIERB08010605 Google Scholar
25. Ngo Nyobe, E. and E. Pemha, "Shape optimization using genetic algorithms and laser beam propagation for the determination of the diffusion coefficient in a hot turbulent jet of air," Progress In Electromagnetics Research B, Vol. 4, 211-221, 2008. Google Scholar
26. Zhai, Y. W., X. W. Shi, and Y. J. Zhao, "Optimized design of ideal and actual transformer based on improved micro-genetic algorithm," J. of Electromagn. Waves and Appl., Vol. 21, No. 13, 1761-1771, 2007.
doi:10.1163/156939306779292264 Google Scholar
27. Chen, X., D. Liang, and K. Huang, "Microwave imaging 3-D buried object using parallel genetic algorithm combined with FDTD technique," J. of Electromagn. Waves and Appl., Vol. 20, No. 13, 1761-1774, 2006.
doi:10.1163/156939306776143370 Google Scholar
28. Lu, Y. Q. and J. Y. Li, "Optimization of broadband top-load antenna using micro-genetic algorithm," J. of Electromagn. Waves and Appl., Vol. 20, No. 6, 793-801, 2006.
doi:10.1163/156939306776117090 Google Scholar
29. Tian, Y. B. and J. Qian, "Ultraconveniently finding multiple solutions of complex transcendental equations based on genetic algorithm," J. of Electromagn. Waves and Appl., Vol. 20, No. 4, 475-488, 2006.
doi:10.1163/156939306775701696 Google Scholar
30. Tu, T. C. and C. C. Chiu, "Path loss reduction in an urban area by genetic algorithm," J. of Electromagn. Waves and Appl., Vol. 20, No. 3, 319-330, 2006. Google Scholar
31. Haupt, R. L. and S. E. Haupt, Practical Genetic Algorithms, John Wiley & Sons, Chap. 2, 3, 2004.
doi:10.1364/OPEX.12.000531
32. Wei, H., Z. Tong, and S. Jian, "Use of a genetic algorithm to optimize multistage erbium-doped fiber amplifier system with complex structures," Opt. Express, Vol. 12, No. 4, 531-544, 2004.
doi:10.1109/LPT.2005.859148 Google Scholar
33. Zhang, A. P., X. W. Chen, J. H. Yan, Z. G. Guan, S. He, and H. Y. Tam, "Optimization and fabrication of stitched long-period gratings for gain flattening of ultrawide-band EDFAs," IEEE Photon. Technol. Lett., Vol. 17, No. 12, 2559-2561, 2005.
doi:10.1109/JLT.2003.820041 Google Scholar
34. Liu, X. and B. Lee, "Optimal design for ultra-broad-band amplifier," J. Lightwave Technol., Vol. 21, No. 12, 3446-3455, 2003.
doi:10.2528/PIER07121503 Google Scholar
35. Li, W. T., X. W. Shi, L. Xu, and Y. Q. Hei, "Improved GA and PSO culled hybrid algorithm for antenna array pattern synthesis," Progress In Electromagnetics Research, Vol. 80, 461-476, 2008.
doi:10.2528/PIER07103004 Google Scholar
36. Lu, Z. B., A. Zhang, and X. Y. Hou, "Pattern synthesis of cylindrical conformal array by the modified particle swarm optimization algorithm," Progress In Electromagnetics Research, Vol. 79, 415-426, 2008.
doi:10.2528/PIER08031904 Google Scholar
37. Huang, C. H., C. C. Chiu, C. L. Li, and K. C. Chen, "Time domain inverse scattering of a two-dimensional homogenous dielectric object with arbitrary shape by particle swarm optimization," Progress In Electromagnetics Research, Vol. 82, 381-400, 2008.
doi:10.2528/PIER07101702 Google Scholar
38. Chamaani, S., S. A. Mirtaheri, M. Teshnehlab, M. A. Shoorehdeli, and V. Seydi, "Modified multi-objective particle swarm optimization for electromagnetic absorber design," Progress In Electromagnetics Research, Vol. 79, 353-366, 2008.
doi:10.2528/PIER08030904 Google Scholar
39. Li, W. T., X. W. Shi, and Y. Q. Hei, "An improved particle swarm optimization algorithm for pattern synthesis of phased arrays," Progress In Electromagnetics Research, Vol. 82, 319-332, 2008.
doi:10.2528/PIER07030904 Google Scholar
40. Mahmoud, K. R., M. El-Adawy, S. M. M. Ibrahem, R. Bansal, and S. H. Zainud-Deen, "A comparison between circular and hexagonal array geometries for smart antenna systems using particle swarm optimization algorithm," Progress In Electromagnetics Research, Vol. 72, 75-90, 2007. Google Scholar
41. Li, W. T., L. Xu, and X. W. Shi, "A hybrid of genetic algorithm and particle swarm optimization for antenna design," PIERS Online, Vol. 4, No. 1, 56-60, 2008.
doi:10.2528/PIERB07112703 Google Scholar
42. Zainud-Deen, S. H., W. M. Hassen, E. M. Ali, K. H. Awadalla, and H. A. Sharshar, "Breast cancer detection using a hybrid finite difference frequency domain and particle swarm optimization techniques," Progress In Electromagnetics Research B, Vol. 3, 35-46, 2008.
doi:10.2528/PIERB07102501 Google Scholar
43. Lim, T. S., V. C. Koo, H. T. Ewe, and H. T. Chuah, "A SAR autofocus algorithm based on particle swarm optimization," Progress In Electromagnetics Research B, Vol. 1, 159-176, 2008.
doi:10.1163/156939307783239474 Google Scholar
44. Lee, K. C., C. W. Huang, and W. H. Chen, "Analysis of nonlinear microwave circuits by particle swarm algorithm," J. of Electromagn. Waves and Appl., Vol. 21, No. 10, 1353-1365, 2007.
doi:10.1163/156939307780749110 Google Scholar
45. Lim, T. S., V. C. Koo, H. T. Ewe, and H. T. Chuah, "Highfrequency phase error reduction in SAR using particle swarm of optimization algorithm," J. of Electromagn. Waves and Appl., Vol. 21, No. 6, 795-810, 2007.
doi:10.1163/156939306779322747 Google Scholar
46. Lee, K. C. and J. Y. Jhang, "Application of particle swarm algorithm to the optimization of unequally spaced antenna arrays," J. of Electromagn. Waves and Appl., Vol. 20, No. 14, 2001-2012, 2006.
doi:10.1163/156939306779292273 Google Scholar
47. Chen, T. B., Y. L. Dong, Y. C. Jiao, and F. S. Zhang, "Synthesis of circular antenna array using crossed particle swarm optimization algorithm," J. of Electromagn. Waves and Appl., Vol. 20, No. 13, 1785-1795, 2006. Google Scholar
48. Kennedy, J. and R. C. Eberhart, Swarm Intelligence, Chap. 7, Academic Press, 2001.
49. Engelbrecht, A. P., Fundamental of Computational Swarm Intelligence, Chap. 16, John Wiley & Sons, 2005.
doi:10.1109/50.65882
50. Miniscalco, W. J., "Erbium-doped glasses for fiber amplifiers at 1500 nm," J. Lightwave Technol., Vol. 9, No. 2, 234-250, 1991. Google Scholar
51. Liu, X. and B. Lee, "A fast and stable method for Raman amplifier propagation equations," Opt. Express, Vol. 11, No. 18, 2163-2176, 2003.
doi:10.1117/12.461655 Google Scholar
52. Marhic, M. E. and D. E. Nikonov, "Low third-order glass-host nonlinearities in erbium-doped waveguide amplifiers," Proceedings of SPIE, Vol. 4645, 193, 2002. Google Scholar