本文介绍了一种改善环形腔掺铒光纤激光器信噪比的简单方法,信噪比提高了5.2 dB.用该激光器做WDM系统的光源,完成了1.2 Gb/s的归零码和2.5GHz、5 GHz的模拟信号经100 km的传输实验.
参考文献
[1] | Snizer E. Optical maser action of Nd3+ in a Barium crown glass [J]. Phys. Rev. Lett., 1961, 7(12): 444~449 |
[2] | Hill K O, Fujii Y, Johnson D C et al. Photosensitivity in optical fiber waveguides: application to reflection filter fabrication [J]. Appl. Phys. Lett., 1978, 32(10): 647~649 |
[3] | Hill K O et al. Bragg gratings fabricated in monomode photosensitive optical fiber by UV exposure through a phase mask [J]. Appl. Phys. Lett., 1993, 62(10): 1035~1037 |
[4] | Desurvire E, Giles C, Simpson J. Gain saturation effects in high speed, multichannel erbium-doped fibre amplifiers at λ=1.53 μm [J]. J. Light Tech., 1989, 7(12): 2095~2104 |
[5] | Olsson N A. Lightwave systems with optical amplifiers [J]. J. Light Tech., 1989, 7(7): 1071~1082 |
[6] | Giles C R, Desurvire E. Propagation of signal and noise in concatenated erbium-doped fiber optical amplifiers [J].J. Light Tech., 1991, 9(2): 147~154 |
[7] | 何华杰,顾畹仪,李国瑞等.级连光放大器系统中的信噪比变化[J].电子学报,1997,25(1):117~120 |
[8] | Matsumoto M, Ikeda H, Hasegawa A. Suppression of noise accumulation in bandwidth-limited soliton transmission by means of nonlinear loop mirrors [J]. Opt. Lett., 1994, 19(3): 183~185 |
[9] | Olsson Bengt-Erik, Anderson Peter A. Noise filtering with the nonlinear optical loop mirror [J]. J. Light Tech.,1995, 13(2): 213~215 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%