掺铒光纤ASE源是一种优良的宽带光源,受到人们广泛关注.实验研究了掺铒光纤ASE宽带光源单、双程结构后向ASE输出光谱特性,当泵浦光中心波长为1480 nm时,分别考察了掺铒光纤长度、泵浦光功率对后向ASE输出平坦区间宽度和平坦度的影响.通过对两种结构下后向ASE输出光谱的分析比较发现,双程结构在L波段长波长处,尤其是1570～1620 nm波长范围,功率显著提升,从而使得ASE光谱的平坦区间宽度增大,平坦度提高.所得实验结果将为掺铒光纤ASE宽带光源的研制提供依据.
参考文献
| [1] | Komachiya M,et al.Secondary-phase-modulation method for open-loop fiber-optic gyroscopes[J].Appl.Opt.,1996,35(19):3719-3725. |
| [2] | Mitomi Y,Yoshida B,Martinelli V.International-cooperation brings fiber optic gyroscopes to market[J].Photonics Spectra,1995,29(7):88. |
| [3] | Holioway W T,Keating A J,Sampson D D.Multiwavelength source for spectrum-sliced WDM access networks and LAN's[J].IEEE Photonics Technology Lett.,1997,9(7):1014-1016. |
| [4] | Massicott J F,Wyatt R,Ainslie B J.Low-noise operation of Er3+ doped silica fiber amplifier around 1.6 μm[J].Electr.Lett.,1992,28(20):1924-1925. |
| [5] | Mahdi M A,et al.Long-wavelength EDFA gain enhancement through 1550 nm band signal injection[J].Optics Communications,2000,176(3):125-129. |
| [6] | Lee J H,et al.Enhancement of power conversion efficiency for an L-band EDFA with a secondary pumping effect in the unpumped EDF section[J].IEEE Photonics Technology Lett.,1999,11(1):42-44. |
| [7] | Harun S W,Poopalan P,Ahmad H.Gain enhancement in L-band EDFA through a double-pass technique[J].IEEE Photonics Technology Lett.,2002,14 (3):296-297. |
| [8] | Flood F A,et al.980 nm pump-band wavelengths for long-wavelength-band erbium-doped fiber amplifiers[J].IEEE Photonics Technology Lett.,1999,11(10):1232-1234. |
| [9] | Li Haoquan,Nie Qiuhua,Xu Tiefeng,et al.Performances research of two-stage broadband erbium-doped teUurite fiber amplifier[J].Chinese Journal of Quantum Electronics (量子电子学报),2006,23 (1):109-114 (in Chinese). |
| [10] | Mao Q H,et al.Amplification enhancement of L-band erbium-doped fiber amplifiers by reflection scheme[J].Optics Communications,2002,201(1):61-69. |
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