2μm波段宽带可调谐全光纤激光器
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摘要
设计并实验研究了一种采用Fabry-Perot(F-P)光纤滤波器的2μm波段宽带可调谐全光纤环形激光器,经过放大的1 550nm半导体激光泵浦单模铥-钬共掺光纤(THDF)获得2μm波段宽带增益。实验结果表明,该结构在2μm波段获得了195nm调谐范围的激光输出,线宽0.05nm,边模抑制比66.98dB。整个结构采用铥-钬共掺光纤放大结构,可使输出功率达到瓦级。
An all-fiber tunable fiber laser with 2μm band based on Fabry-Perot(F-P)fiber filter was designed and demonstrated experimentally.An amplified 1 550 nm semiconductor laser was adopted to pump a segment of Tm-Ho co-doped fiber(THDF),and then the optical gain at 2μm band was obtained.The results indicate that the tuning range,linewidth and side-mode suppression ratio of the output laser are 195 nm,0.05 nm and 66.98 dB,respectively.The whole structure adopts the THDF amplification structure,which can achieve output power of watt level.
An all-fiber tunable fiber laser with 2μm band based on Fabry-Perot(F-P)fiber filter was designed and demonstrated experimentally.An amplified 1 550 nm semiconductor laser was adopted to pump a segment of Tm-Ho co-doped fiber(THDF),and then the optical gain at 2μm band was obtained.The results indicate that the tuning range,linewidth and side-mode suppression ratio of the output laser are 195 nm,0.05 nm and 66.98 dB,respectively.The whole structure adopts the THDF amplification structure,which can achieve output power of watt level.
引文
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[20]CAO Zhigang.The research on the novel optical fiber filters and their application in tunable fiber lasers[D].Hefei:Anhui University,2015.曹志刚.新型光纤滤波器及在可调谐光纤激光器中的应用研究[D].合肥:安徽大学,2015.
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[22]SIMS R A,MCCOMB T,SUDESH V,et al.Narrow linewidth tunable CW thulium fiber lasers with VBG and GMRF stabilization[J].SPIE,2009,7193:71930U-1-8.
[23]WANG F,SHEN D Y,FAN D Y,et al.High power widely tunable Tm:fiber laser with spectral linewidth of 10pm[J].Laser Physics Letters,2010,7(6):450-453.
[24]LI Z,ALAM SU,JUNG Y,et al.All-fiber,ultrawideband tunable laser at 2μm.[J].Optics Letters,2013,38(22):4739-42.
[25]LI J,SUN Z,LUO H,et al.Wide wavelength selectable all-fiber thulium doped fiber laser between 1925nm and 2 200nm[J].Optics Express,2014,22(5):5387-5399.
[26]ZHOU Hongjie.Tunable fiber laser based on FabryPerot filter[D].Changchun:Jilin University,2006.周红杰.基于F-P光滤波器的可调谐光纤激光器研究[D].长春:吉林大学,2006.
[27]KHAMIS M A.Enhancement on the generation of amplified spontaneous emission in thulium-doped silica fiber at 2μm[J].Optics Communications,2017,403:127-132.
[2]GENG J,WU J,JIANG S,et al.Efficient operation of diode-pumped single-frequency thulium-doped fiber lasers near 2 microm[J].Optics Letters,2007,32(4):355-357.
[3]LI Dajun,DU Geguo,YAN Peiguang.Numerical analysis of Tm3+-doped silica fiber lasers pumped by LD[J].Journal of Applied Optics,2007,28(4):439-444.黎大军,杜戈果,闫培光.LD泵浦掺铥(Tm3+)光纤激光器的数值分析[J].应用光学,2007,28(4):439-444.
[4]JHA A,RICHARDS B,BINKS D,et al.Efficient~2μm Tm3+-doped tellurite fiber laser[J].Optics Letters,2008,33(4):402-404.
[5]YANG Kun,REN Qiushi,WEI Shigang,et al.Application of 2μm Tm laser on biomedicine[J].Laser&Optoelectronics Progress,2005,42(9):52-56.杨昆,任秋实,魏石刚,等.2μm铥(Tm)激光器在生物医学中的应用[J].激光与光电子学进展,2005,42(9):52-56.
[6]SCOTT N J,CILIP C M,FRIED N M.Thulium fiber laser ablation of urinary stones through smallcore optical fibers[J].IEEE Journal of Selected Topics in Quantum Electronics,2009,15(2):435-440.
[7]MCALEAVEY F J,OGORMAN J,DONEGAN J F,et al.Narrow linewidth,tunable Tm3+-doped fluoride fiber laser for optical-based hydrocarbon gas sensing[J].IEEE Journal of Selected Topics in Quantum Electronics,1997,3(4):1103-1111.
[8]LIU X,OSGOOD R M,VLASOV Y A,et al.Midinfrared optical parametric amplifier using silicon nanophotonic waveguides[J].Nature Photonics,2010,4(8):557-560.
[9]WANG T,WEI Y,KAI H,et al.All-fiber laser generating at 3.8μm pumped by 1 565nm fiber laser and the second-order laser at 1.9μm[J].Microwave&Optical Technology Letters,2014,56(4):848-850.
[10]HUANG Xiujiang,LIU Yongzhi,SUI Zhan,et al.Development and application of ultrafast pulse fiber laser[J].Journal of Applied Optics,2004,25(6):16-21.黄绣江,刘永智,隋展,等.超短脉冲光纤激光器新进展及其应用[J].应用光学,2004,25(6):16-21.
[11]ZHANG M,KELLEHER E J,TORRISI F,et al.Tm-doped fiber laser mode-locked by graphene-polymer composite.[J].Optics Express,2012,20(22):25077-84.
[12]Geng J,Wang Q,Wang J,et al.All-fiber wavelength-swept laser near 2μm[J].Optics Letters,2011,36(19):3771-3773.
[13]WEI Y,HU K,SUN B,et al.All-fiber widely wavelength-tunable thulium-doped fiber ring laser incorporating a Fabry-Perot filter[J].Laser Physics,2012,22(4):770-773.
[14]WU J,JIANG S,LUO T,et al.Efficient thuliumdoped 2-μm germanate fiber laser[J].IEEE Photonics Technology Letters,2006,18(2):334-336.
[15]WU J,YAO Z,ZONG J,et al.Highly efficient high-power thulium-doped germanate glass fiber laser[J].Optics Letters,2007,32(6):638-640.
[16]LIU Jiang,WANG Pu.High-power narrow-bandwidth continuous wave thulium-doped all-fiber laser[J].Chinese Journal of Lasers,2013(1):26-29.刘江,王璞.高功率窄线宽全光纤结构掺铥连续光纤激光器[J].中国激光,2013(1):26-29.
[17]WANG X,ZHU Y,ZHOU P,et al.Tunable,multiwavelength Tm-doped fiber laser based on polarization rotation and four-wave-mixing effect[J].Optics Express,2013,21(22):25977-25984.
[18]PENG W,YAN F,LI Q,et al.A 1.97μm multiwavelength thulium-doped silica fiber laser based on a nonlinear amplifier loop mirror[J].Laser Physics Letters,2013,10(11):115102.
[19]YAMADA E,TAKARA H,OHARA T,et al.150channel supercontinuum CW optical source with high SNR and precise 25 GHz spacing for 10 Gbit/s DWDM systems[J].Electronics Letters,2001,37(5):304-306.
[20]CAO Zhigang.The research on the novel optical fiber filters and their application in tunable fiber lasers[D].Hefei:Anhui University,2015.曹志刚.新型光纤滤波器及在可调谐光纤激光器中的应用研究[D].合肥:安徽大学,2015.
[21]SHEN D Y,SAHU J K,CLARKSON W A.Highpower widely tunable Tm:fibre lasers pumped by an Er,Yb co-doped fibre laser at 1.6μm[J].Optics Express,2006,14(13):6084-6090.
[22]SIMS R A,MCCOMB T,SUDESH V,et al.Narrow linewidth tunable CW thulium fiber lasers with VBG and GMRF stabilization[J].SPIE,2009,7193:71930U-1-8.
[23]WANG F,SHEN D Y,FAN D Y,et al.High power widely tunable Tm:fiber laser with spectral linewidth of 10pm[J].Laser Physics Letters,2010,7(6):450-453.
[24]LI Z,ALAM SU,JUNG Y,et al.All-fiber,ultrawideband tunable laser at 2μm.[J].Optics Letters,2013,38(22):4739-42.
[25]LI J,SUN Z,LUO H,et al.Wide wavelength selectable all-fiber thulium doped fiber laser between 1925nm and 2 200nm[J].Optics Express,2014,22(5):5387-5399.
[26]ZHOU Hongjie.Tunable fiber laser based on FabryPerot filter[D].Changchun:Jilin University,2006.周红杰.基于F-P光滤波器的可调谐光纤激光器研究[D].长春:吉林大学,2006.
[27]KHAMIS M A.Enhancement on the generation of amplified spontaneous emission in thulium-doped silica fiber at 2μm[J].Optics Communications,2017,403:127-132.