双向抽运拉曼放大器在100Gbit·s~(-1)超长距传输系统中的应用
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摘要
利用双向抽运拉曼放大器实现了4×100Gbit·s~(-1)光网络传输295km(68.85dB)的应用,测试了系统的光学信噪比、传输余量及长期误码特性,仿真了双向抽运拉曼放大器在4×100Gbit·s~(-1)传输系统中的功率演化过程。研究结果表明,双向抽运拉曼放大器的应用需综合考虑信号输入功率、前后向拉曼增益及经济成本等。
An unrepeated transmission system of 4×100 Gbit·s~(-1) over a span loss of 68.85 dB is realized by the bidirectionally pumped Raman amplifier(BDPRA)scheme.The optical signal to noise ratio,transmission margin,and bit error ratio of this system are tested.The power evolution of this BDPRA in the 4×100 Gbit·s~(-1) transmission system is simulated.The research results show that the signal input power,forward/backward Raman gain distribution and cost should be comprehensively considered in the applications of the BDPRA scheme.
An unrepeated transmission system of 4×100 Gbit·s~(-1) over a span loss of 68.85 dB is realized by the bidirectionally pumped Raman amplifier(BDPRA)scheme.The optical signal to noise ratio,transmission margin,and bit error ratio of this system are tested.The power evolution of this BDPRA in the 4×100 Gbit·s~(-1) transmission system is simulated.The research results show that the signal input power,forward/backward Raman gain distribution and cost should be comprehensively considered in the applications of the BDPRA scheme.
引文
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[16]Chi R H,Li X Q,Sun X H.Optimized amplification scheme in unrepeated DWDM system over 325km G.652fiber[C]∥2015 14th International Conference on Optical Communications and Networks,July 3-5,Nanjing,China.New York:IEEE,2015:1-3.
[17]Agrawal G P.Nonlinear fiber optics[M].San Diego:Academic Press,1989.
[2]Gainov V,Gurkin N,Lukinih S,et al.Record500km unrepeatered 1 Tbit/s(10×100 G)transmission over an ultra-low loss fiber[J].Optics Express,2014,22(19):22308-22313.
[3]Bissessur H,Etienne S,Bousselet P,et al.6 Tb/s unrepeatered transmission of 60×100 Gb/s PDM-RZ-QPSK channels with 40GHz spacing over 437km[C]∥European Conference and Exhibition on Optical Communications,September 16-20,Amsterdam,Netherlands.Washington:OSA Publishing.2012:Mo.1.C.3.
[4]Chi R H,Li L E,Li X Q,et al.Stimulated Brillouin Scattering suppressed EDFA in a long-haul optical fiber link system[C]∥2015 14th International Conference on Optical Communications and Networks,July 3-5,Nanjing,China.New York:IEEE,2015:150-152.
[5]Feng Y,Jiang H W,Zhang L.Advances in high power Raman fiber laser technology[J].Chinese Journal of Lasers,2017,44(2):0201005.冯衍,姜华卫,张磊.高功率拉曼光纤激光器技术研究进展[J].中国激光,2017,44(2):0201005.
[6]Zhu B Y,Borel P,Carlson K,et al.Unrepeatered transmission of 6.3Tb/s(63×128Gb/s)over 402-km fiber link[J].IEEE Photonics Technology Letters,2014,26(17):1711-1714.
[7]Chen J,Zhou Q X,Lin Y T,et al.Optimization design of multi-pump Raman fiber amplifiers based on artificial bee colony algorithm[J].Acta Optica Sinica,2018,38(6):0606002.陈静,周清旭,林雅婷,等.基于人工蜂群算法的多抽运拉曼光纤放大器优化设计[J].光学学报,2018,38(6):0606002.
[8]Long Q Y,Wu T W,Hu S M,et al.Threshold characteristics of forward-pumped fiber Raman amplifier[J].Laser&Optoelectronics Progress,2014,51(3):030603.龙青云,吴庭万,胡素梅,等.同向抽运光纤拉曼放大器的阈值特性[J].激光与光电子学进展,2014,51(3):030603.
[9]Zhang F,Zhang W,Feng X,et al.Remotely pumped erbium doped fiber amplifiers using low power pump in ultra-long span dense wavelength division multiplexing systems[J].Acta Photonica Sinica,2006,35(9):1358-1362.张帆,张巍,冯雪,等.低泵浦功率的遥泵放大在超长跨距密集波分复用系统中的应用[J].光子学报,2006,35(9):1358-1362.
[10]Zhu Y,Fludger C R S,Lee W S,et al.Experimental comparison of all-Raman vs.Raman/EDFA hybrid amplification with 40 Gb/s-based ETDM/DWDMtransmissions over 400km TW-RS fibre[C]∥Optical Fiber Communication Conference and Exhibit,March17-22,Anaheim,CA,USA.New York:IEEE,2002:552-554.
[11]Do-il C,Wayne P,Pallavi P,et al.8×120 Gb/s unrepeatered transmission over 444km(76.6dB)using distributed Raman amplification and ROPAwithout discrete amplification[J].Optics Express,2011,19(26):B971-B977.
[12]Raupach S M F,Koczwara A,Grosche G,et al.Bidirectional optical amplifiers for long-distance fibre links[C]∥European Frequency and Time Forum&International Frequency Control Symposium,July 21-25,Prague,Czech Republic.New York:IEEE,2013:883-884.
[13]Yuan W G,Li Y T,Xiang M,et al.Research on power OTN ultra-long haul transmission scheme based on bidirectional Raman[J].Electric Power Information Technology,2016,14(4):108-111.袁卫国,李垠韬,项旻,等.基于双向拉曼的电力超长距传输方案研究[J].电力信息与通信技术,2016,14(4):108-111.
[14]Bromage J,Bouteiller J C,Thiele H J,et al.WDMtransmission over multiple long spans with bidirectional Raman pumping[J].Journal of Lightwave Technology,2004,22(1):225-232.
[15]Mizuochi T,Kinjo K,Kajiya S,et al.Bidirectional unrepeatered 43 Gb/s WDM transmission with C/Lband-separated Raman amplification[J].Journal of Lightwave Technology,2002,20(12):2079-2085.
[16]Chi R H,Li X Q,Sun X H.Optimized amplification scheme in unrepeated DWDM system over 325km G.652fiber[C]∥2015 14th International Conference on Optical Communications and Networks,July 3-5,Nanjing,China.New York:IEEE,2015:1-3.
[17]Agrawal G P.Nonlinear fiber optics[M].San Diego:Academic Press,1989.