1×5倍Brillouin频移的可调MWBEFL的实验研究
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摘要
可调谐性作为多波长光纤激光器的重要指标之一,可以用来评判激光器性能。为了增强多波长光纤激光器的可调谐性,以适应密集波分复用系统与微波光子学的需求,基于布里渊效应,通过三个布里渊频移腔(BFS,包括有两个双倍频腔与一个单倍频腔),以及三个掺铒光纤放大器(EDFA)联合,设计了一种1×5倍Brillouin频移的可调多波长布里渊掺铒光纤激光器(MWBEFL)。EDFA作为受激布里渊散射(SBS)的开关控制不同倍频间隔的多波长产生,通过适当地调节不同EDFA的输出功率在实验中得到了单、双、三、四、五倍Brillouin频移的多波长输出,波长间隔分别为0.086 nm、0.172 nm、0.258 nm、0.344 nm、0.430 nm,对应斯托克斯光(BS)阶数分别为18、7、5、2、1,并且输出激光在30 min的测量时间内表现出很好的功率稳定性,最大的功率波动分别为0.867 dB,0.594 dB,0.438 dB,0.814 dB,0.389 dB。
Tunability is one of the important indicators of multi-wavelength fiber lasers and can be used toevaluate laser performance.In order to enhance the tunability of multi-wavelength fiber lasers to meet demand for dense wavelength division multiplexing systems and microwave photonics,based on the Brillouin effect,amulti-wavelength Brillouin erbium-doped fiber laser(MWBEFL) with 1×5 tunable Brillouin frequency spacing isdesigned by combining three Brillouin frequency shift(BFS,Including two double Brillouin frequency shift cavityand one single Brillouin frequency shift cavity) cavities and three erbium-doped fiber amplifiers(EDFA).EDFA isused as a switch for stimulated Brillouin scattering(SBS) to dominate multi-wavelength generation with different frequency spacing.By properly adjusting the output power of the different EDFAs.The multi-wavelength outputswith the single,double,triple,quadruple,and quintuple Brillouin frequency spacing are obtained in the experiment,and the wavelength spacing are 0.086 nm,0.172 nm,0.258 nm,0.344 nm,and 0.430 nm,respectively,thecorresponding number of Stokes light(BS) is 18,7,5,2,1,respectively,and the output laser shows good power stability during the measurement time of 30 mins,the maximum power fluctuations are 0.867 dB,0.594 dB,0.438 dB,0.814 dB,0.389 dB.
Tunability is one of the important indicators of multi-wavelength fiber lasers and can be used toevaluate laser performance.In order to enhance the tunability of multi-wavelength fiber lasers to meet demand for dense wavelength division multiplexing systems and microwave photonics,based on the Brillouin effect,amulti-wavelength Brillouin erbium-doped fiber laser(MWBEFL) with 1×5 tunable Brillouin frequency spacing isdesigned by combining three Brillouin frequency shift(BFS,Including two double Brillouin frequency shift cavityand one single Brillouin frequency shift cavity) cavities and three erbium-doped fiber amplifiers(EDFA).EDFA isused as a switch for stimulated Brillouin scattering(SBS) to dominate multi-wavelength generation with different frequency spacing.By properly adjusting the output power of the different EDFAs.The multi-wavelength outputswith the single,double,triple,quadruple,and quintuple Brillouin frequency spacing are obtained in the experiment,and the wavelength spacing are 0.086 nm,0.172 nm,0.258 nm,0.344 nm,and 0.430 nm,respectively,thecorresponding number of Stokes light(BS) is 18,7,5,2,1,respectively,and the output laser shows good power stability during the measurement time of 30 mins,the maximum power fluctuations are 0.867 dB,0.594 dB,0.438 dB,0.814 dB,0.389 dB.
引文
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[15] DENG Yu-xiang,ZHANG Zu-xing.Multiwavelength fiber lasers with tunable multiple brillouin freq uency shift interval[J].Chinese J.Lasers,2018,45(5):34-40.邓宇翔,张祖兴.可调谐多倍布里渊频移间隔多波长光纤激光器[J].中国激光,2018,45(5):34-40.
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[17] MIAO Xue-feng,WANG Tian-shu,ZHOU Xue-fang,et al.A tunable multi-wavelength Brillouin-erbium fiber laser[J].Chinese J.Lasers,2012,39(6):0602010-1-0602010-4.缪雪峰,王天枢,周雪芳,等.一种可调谐的多波长布里渊掺铒光纤激光器[J].中国激光,2012,39(6):0602010-1-0602010-4.
[18] YUAN Shan,WANG Tian-shu,MIAO Xue-feng,et al.A multi-wavelength Brillouin Er-doped fiber la ser based on tunable fiber loop mirror filter[J].Journal of Optoelectronics·Laser,2013,24(5):874-877.袁珊,王天枢,缪雪峰,等.基于可调谐光纤环形镜滤波器的多波长布里渊掺饵光纤激光器[J].光电子·激光,2013,24(5):874-877.
[19] ZHOU Xue-fang,HU Kong-wen,WEI Yi-zhen.Multi-wavelength Brillouin fiber laser with wavelength spacing of 20 GHz[J].Laser & Infrared,2016,46(8):963-966.周雪芳,胡孔文,魏一振.波长间隔为20 GHz的多波长布里渊掺铒光纤激光器[J].激光与红外,2016,46(8):963-966.
[20] ZHOU Xue-fang,LIU Ya-qing,HU Miao.Multi-wavelength Brillouin fiber laser with triple Brillouin frequency spacing[J].IEEE Photon.Technol.Lett.,2016,28(21):2379-2382.
[2] Shirazi M R,Shahabuddin N S,Aziz S N,et al.A linear cavity Brillouin fiber laser with multiple wavelengths output[J].Laser Phys.Lett.,2008,5(5):361-363.
[3] Yuan Y J,Yao Y,Yi M,et al.Multiwavelength fiber laser employing a nonlinear Brillouin optical loop mirror:Experimental and numerical studies[J].Opt.Exp.,2014,22(13):15352-15363.
[4] Chow J,Town G,Eggleton B,et al.Multiwavelength generation in an erbium-doped fiber laser using in fiber comb filters[J].IEEE Photon.Technol.Lett.,1996,8(1):60-62.
[5] ZHANG Peng,WANG Tian-shu,JIA Qing-song,et al.The generation of tunable high-frequency microwave based on a double-frequency multi-wavelength fiber laser of 8-shaped structure[J].Chinese J.lasers,2014,41(12):1202006-1-1202006-5.张鹏,王天枢,贾青松,等.基于8字型结构布里渊多波长光纤激光器的可调谐高频微波产生[J].中国激光,2014,41(12):1202006-1-1202006-5.
[6] LIU Jin-mei,ZHAN Li,XIAO Ping-ping,et al.Generation of step-tunable microwave signal using a multiwavelength Brillouin fiber laser[J].IEEE Photon.Technol.Lett.,2013,25(3):220-223.
[7] XU Rong-hui,ZHANG Xu-ping.Multiwavelength Brillouin-erbium fiber laser temperature sensor with tunable and high sensitivity[J].IEEE Photon.Technol.Lett.,2015,7(3):1501708.
[8] Lezzi V L,Loranger S,Marois M,et al.High-sensitivity temperature sensing using higher-order Stokes stimulated Brillouin scattering in optical fiber[J].Opt.Lett.,2014,39(4):857-860.
[9] Zhang L,Xu Y,Lu P,et al.Multi-wavelength brillouin random fiber laser via distributed feedback from a random fiber grating[J].Journal of Lightwave Technology,2018,36(11):2122-2128.
[10] Mamdoohi G,Sarmani A R,Abas A F,et al.20 GHz spacing multi-wavelength generation of Brillouin-Raman fiber laser in a hybrid linear cavity[J].Optics Express,2013,21(16):18724.
[11] Zhang L,Xu Y,Gao S,et al.Multi-wavelength coherent Brillouin random fiber laser with ultra-high optical signal-to-noise ratio[J].IEEE Journal of Selected Topics in Quantum Electronics,2017,24(3):0900308.
[12] Mamdoohi G,Sarmani A R,Yaacob M H,et al.Multi-wavelength brillouin-raman fiber laser utilizing enhanced nonlinear amplifying loop mirror design[J].Optics Express,2013,21(26):31800.
[13] FAN Bing,GE Chao-qun,ZHOU Xue-fang,et al.Experimental research on the multi-wavelength Brillouin Er-doped fiber laser with 0.256 nm spacing[J].Laser & Infrared,2018,48(11):1368-1371.樊冰,葛超群,周雪芳,等.间隔0.256 nm的多波长布里渊光纤激光器的实验研究[J].激光与红外,2018,48(11):1368-1371.
[14] ZHANG Peng,JIA Qing-song,WANG Tian-shu,et al.Tunable multi-wavelength Brillouin er-doped fiber laser with 0.173 nm spacing[J].Acta Photon.Sinica,2014,43(6):38-41.张鹏,贾青松,王天枢,等.间隔0.173 nm的可调谐多波长布里渊掺铒光纤激光器[J].光子学报,2014,43(6):38-41.
[15] DENG Yu-xiang,ZHANG Zu-xing.Multiwavelength fiber lasers with tunable multiple brillouin freq uency shift interval[J].Chinese J.Lasers,2018,45(5):34-40.邓宇翔,张祖兴.可调谐多倍布里渊频移间隔多波长光纤激光器[J].中国激光,2018,45(5):34-40.
[16] Parvizi R,Arof H,Ali N M,et al.0.16 nm spaced multi-wavelength Brillouin fiber laser in a figure-of-eight configuration[J].Opt.Laser Technol.,2011,43(4):866-869.
[17] MIAO Xue-feng,WANG Tian-shu,ZHOU Xue-fang,et al.A tunable multi-wavelength Brillouin-erbium fiber laser[J].Chinese J.Lasers,2012,39(6):0602010-1-0602010-4.缪雪峰,王天枢,周雪芳,等.一种可调谐的多波长布里渊掺铒光纤激光器[J].中国激光,2012,39(6):0602010-1-0602010-4.
[18] YUAN Shan,WANG Tian-shu,MIAO Xue-feng,et al.A multi-wavelength Brillouin Er-doped fiber la ser based on tunable fiber loop mirror filter[J].Journal of Optoelectronics·Laser,2013,24(5):874-877.袁珊,王天枢,缪雪峰,等.基于可调谐光纤环形镜滤波器的多波长布里渊掺饵光纤激光器[J].光电子·激光,2013,24(5):874-877.
[19] ZHOU Xue-fang,HU Kong-wen,WEI Yi-zhen.Multi-wavelength Brillouin fiber laser with wavelength spacing of 20 GHz[J].Laser & Infrared,2016,46(8):963-966.周雪芳,胡孔文,魏一振.波长间隔为20 GHz的多波长布里渊掺铒光纤激光器[J].激光与红外,2016,46(8):963-966.
[20] ZHOU Xue-fang,LIU Ya-qing,HU Miao.Multi-wavelength Brillouin fiber laser with triple Brillouin frequency spacing[J].IEEE Photon.Technol.Lett.,2016,28(21):2379-2382.