Systematical analysis of mode-locked fiber lasers using single-walled carbon nanotube saturable absorbers
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摘要
The output characteristics of the Er-doped mode-locked fiber laser using a single-walled carbon nanotube saturable absorber are investigated theoretically with a nonlinear Schro¨dinger equation and a saturable absorption equation using realistic parameters. Stable self-starting mode-locking pulses are achieved under net normal, net zero, and net anomalous cavity group velocity dispersion(GVD) respectively. A spectrum with a flat top is obtained from the net normal cavity GVD laser while a spectrum with Kelly side-bands is obtained from the net anomalous cavity GVD laser. The characteristics of the pulse duration changing with cavity GVD and modulation depth of the single-walled carbon nanotubes are discussed.The characteristics of the mode-locking pulses from net normal, net zero, and net anomalous cavity GVD mode-locked fiber lasers are compared. These systematical results are useful for designing mode-locked fiber lasers with saturable absorbers made by different kinds of carbon nano-materials.
The output characteristics of the Er-doped mode-locked fiber laser using a single-walled carbon nanotube saturable absorber are investigated theoretically with a nonlinear Schro¨dinger equation and a saturable absorption equation using realistic parameters. Stable self-starting mode-locking pulses are achieved under net normal, net zero, and net anomalous cavity group velocity dispersion(GVD) respectively. A spectrum with a flat top is obtained from the net normal cavity GVD laser while a spectrum with Kelly side-bands is obtained from the net anomalous cavity GVD laser. The characteristics of the pulse duration changing with cavity GVD and modulation depth of the single-walled carbon nanotubes are discussed.The characteristics of the mode-locking pulses from net normal, net zero, and net anomalous cavity GVD mode-locked fiber lasers are compared. These systematical results are useful for designing mode-locked fiber lasers with saturable absorbers made by different kinds of carbon nano-materials.
The output characteristics of the Er-doped mode-locked fiber laser using a single-walled carbon nanotube saturable absorber are investigated theoretically with a nonlinear Schro¨dinger equation and a saturable absorption equation using realistic parameters. Stable self-starting mode-locking pulses are achieved under net normal, net zero, and net anomalous cavity group velocity dispersion(GVD) respectively. A spectrum with a flat top is obtained from the net normal cavity GVD laser while a spectrum with Kelly side-bands is obtained from the net anomalous cavity GVD laser. The characteristics of the pulse duration changing with cavity GVD and modulation depth of the single-walled carbon nanotubes are discussed.The characteristics of the mode-locking pulses from net normal, net zero, and net anomalous cavity GVD mode-locked fiber lasers are compared. These systematical results are useful for designing mode-locked fiber lasers with saturable absorbers made by different kinds of carbon nano-materials.
引文
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[17]Tang D Y,Zhang H,Zhao L M and Wu X 2008 Phys.Rev.Lett.101153904
[18]Liu X,Wang L,Li X,Sun H,Lin A,Lu K,Wang Y and Zhao W 2009Opt.Express 17 8506
[19]Wang R,Dai Y,Yan L,Wu J,Xu K,Li Y and Lin J 2012 Opt.Express20 6406
[20]Liu X M 2010 Phys.Rev.A 81 023811
[21]Liu X M 2010 Phys.Rev.A 82 063834
[22]Kong L J,Xiao X S and Yang C X 2011 Chin.Phys.B 20 024207
[23]Liu X M 2009 Opt.Express 17 22401
[24]Mao D,Liu X and Lu H 2012 Opt.Lett.37 2619
[25]Tan S J,Ismail M A,Shahabuddin N S,Ahmad H,Arof H and Harun S W 2012 Laser Phys.22 1240
[26]Song Y F,Zhang H,Tang D Y and Shen D Y 2012 Opt.Express 2027283
[2]Baylam I,Ozharar S,Cankaya H,Choi S Y,Kim K,Rotermund F,Griebner U,Petrov V and Sennaroglu A 2012 Opt.Lett.37 3555
[3]Schmidt A,Rivier S,Steinmeyer G,Yim J H,Cho W B,Lee S,Rotermund F,Pujol M C,Mateos X,Aguilo′M,D′?az F,Petrov V and Griebner U 2008 Opt.Lett.33 729
[4]Hernandez-Romano I,Davila-Rodriguez J,Mandridis D,SanchezMondragon J J,May-Arrioja D and P Delfyett J 2011 J.Lightwave Technol.29 3237
[5]Zhao G Z,Xiao X S,Meng F,Mei J W and Yang C X 2013 Chin.Phys.B 22 104205
[6]Qu Z S,Wang Y G,Liu J,Zheng L H,Su L B and Xu J 2012 Chin.Phys.B 21 064211
[7]Chen Y C,Raravikar N R,Schadler L S,Ajayan P M,Zhao Y P,Lu T M,Wang G C and Zhang X C 2002 Appl.Phys.Lett.81 975
[8]Set S Y,Yaguchi H,Tanaka Y and Jablonski M 2004 J.Lightwave Technol.22 51
[9]Song Y,Set S Y,Yamashita S,Goh C S and Kotake T 2005 IEEE Photon.Technol.Lett.17 1623
[10]Li X,Wang Y,Wang Y,Liu X,Zhao W,Hu X,Yang Z,Zhang W,Gao C,Shen D,Li C and Tsang Y H 2013 Opt.Laser Technol.47 144
[11]Fang Q,Kieu K and Peyghambarian N 2010 IEEE Photon.Technol.Lett.22 1656
[12]Shohda F,Shirato T,Nakazawa M,Komatsu K and Kaino T 2008 Opt.Express 16 21191
[13]Martinez A and Yamashita S 2011 Opt.Express 19 6155
[14]Nozaki Y,Nishizawa N,Omoda E,Kataura H and Sakakibara Y 2012Opt.Express 37 5079
[15]Agrawal G 2001 Applications of Nonlinear Fiber Optics(Scan Diego:Academic Press)
[16]Liu X M,Han D D,Sun Z P,Zeng C,Lu H,Mao D,Cui Y D and Wang F Q 2013 Sci.Rep.3 2718
[17]Tang D Y,Zhang H,Zhao L M and Wu X 2008 Phys.Rev.Lett.101153904
[18]Liu X,Wang L,Li X,Sun H,Lin A,Lu K,Wang Y and Zhao W 2009Opt.Express 17 8506
[19]Wang R,Dai Y,Yan L,Wu J,Xu K,Li Y and Lin J 2012 Opt.Express20 6406
[20]Liu X M 2010 Phys.Rev.A 81 023811
[21]Liu X M 2010 Phys.Rev.A 82 063834
[22]Kong L J,Xiao X S and Yang C X 2011 Chin.Phys.B 20 024207
[23]Liu X M 2009 Opt.Express 17 22401
[24]Mao D,Liu X and Lu H 2012 Opt.Lett.37 2619
[25]Tan S J,Ismail M A,Shahabuddin N S,Ahmad H,Arof H and Harun S W 2012 Laser Phys.22 1240
[26]Song Y F,Zhang H,Tang D Y and Shen D Y 2012 Opt.Express 2027283