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Owing to the restriction of the stimulated Brillouin scattering (SBS) and other nonlinear effects, the output power of the single frequency amplifier is ar a level of about hundred watts. Multi-wavelength and non-single frequency seed laser will mitigate the SBS and improve the output power of the fiber laser amplifier. The coherent beam combining of the non-single frequency and/or multi-wavelength laser will greatly increase the total output power of the coherent beam combining as compared with the coherent beam combining of a single frequency laser. Based on the stochastic parallel gradient descent (SPGD) algorithm, coherent combining of four channel four-wavelength lasers is realized. In the close loop state, the mean power of the main-lobe is four times higher than that of the open-loop, approaching 75% of its ideal value. The coherent combining of the multi-wavelength and non-single frequency laser is demonstrated and an approach to the high power coherent beam combining is provided.
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Keywords:
- fiber laser /
- coherent beam combining /
- multi-wavelength /
- non-single frequency laser
[1] Photonics I. IPG Photonics Successfully Tests World's First 10 Kilowatt Single-Mode Production Laser.
[2] Galvanauskas A 2004 Optics and Photonics News 15 42
[3] Fan T Y 2005 IEEE Journal of Selected Topics in Quantum Electronics 11 567
[4] Cheung E, Weber M, Mordaunt D 2004 Proc. of SPIE 98
[5] Steven J A, Jinendra K R, Fan Y T, Sanchezl A 2007 J. Opt. Soc. Am. B 24 1707
[6] Li L, Schülzgen A, Li H, Temyanko V L, Moloney J V, Peyghambarian N 2007 J. Opt. Soc. Am. B 24 1721
[7] He B, Lou Q, Zhou J, Zheng Y, Xue D, Dong J, Wei Y, Zhang F, Qi Y, Zhu J, Li J, Li S, Wang Z 2007 Chin. Opt. Lett. 5 412
[8] Li X, Ma Y, Zhou P, Wang X, Xu X, Liu Z 2009 Opt. Express 17 385
[9] Ma Y X, Liu Z J, Zhou P, Wang X L, Ma H T, Li X, Si L, Xu X J 2009 Chin. Phys. Lett. 26 44204
[10] Zhou P, Liu Z J, Wang X L, Ma Y X, Li X, Xu X J, Guo S F 2009 Chin. Phys. Lett. 26 44202
[11] Zhou P, Liu Z, Wang X, Ma Y, Ma H, Xu X 2009 Optics and Laser Technology 41 853
[12] Wang X L, Ma Y X, Zhou P, Ma H T, Li X, Xu X J, Liu Z J 2009 Laser Physics 19 984
[13] Xiao R, Zhou P, Hou J, Jiang Z F, L M 2007 Acta Phys. Sin. 56 819 (in Chinese) [肖 瑞、周 朴、侯 静、姜宗福、刘 明 2007 56 819]
[14] Xiao R, Hou J, Jiang Z F, Liu M 2006 Acta Phys. Sin. 55 6464 (in Chinese) [肖 瑞、侯 静、姜宗福、刘 明 2006 55 6464]
[15] Wang J M, Duan K L,Wang Y S 2008 Acta Phys. Sin. 57 5627 (in Chinese) [王建明、段开椋、王屹山 2008 57 5627]
[16] Yang R F, Yan P, Shen F 2009 Acta Phys. Sin. 58 8297 [杨若夫、杨 平、沈 峰 2009 58 8297]
[17] Zhou P, Liu Z J, Ma H T, Wang X L, Xu X J, Liu Z J 2010 Chin. Phys. B 19 024207
[18] Limpert J, Rser F, Klingebiel S, Schreiber T, Wirth C, Peschel T, Eberhardt R, Tünnermann A 2007 IEEE J.Sel.Top.Quantum Electron 13 537
[19] Weβels P, Ade P, Auerbach M, Wandt D, Fallnich C 2004 Opt.Express 12 4443
[20] Dajani I, C Zeringue, Shay T 2009 IEEE J.Sel.Top.Quantum Electron. 15 406
[21] Dajani I, Zeringue C, Bronder T J, Shay T, Gavrielides A, Robin C 2008 Opt.Express 16 14233
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[1] Photonics I. IPG Photonics Successfully Tests World's First 10 Kilowatt Single-Mode Production Laser.
[2] Galvanauskas A 2004 Optics and Photonics News 15 42
[3] Fan T Y 2005 IEEE Journal of Selected Topics in Quantum Electronics 11 567
[4] Cheung E, Weber M, Mordaunt D 2004 Proc. of SPIE 98
[5] Steven J A, Jinendra K R, Fan Y T, Sanchezl A 2007 J. Opt. Soc. Am. B 24 1707
[6] Li L, Schülzgen A, Li H, Temyanko V L, Moloney J V, Peyghambarian N 2007 J. Opt. Soc. Am. B 24 1721
[7] He B, Lou Q, Zhou J, Zheng Y, Xue D, Dong J, Wei Y, Zhang F, Qi Y, Zhu J, Li J, Li S, Wang Z 2007 Chin. Opt. Lett. 5 412
[8] Li X, Ma Y, Zhou P, Wang X, Xu X, Liu Z 2009 Opt. Express 17 385
[9] Ma Y X, Liu Z J, Zhou P, Wang X L, Ma H T, Li X, Si L, Xu X J 2009 Chin. Phys. Lett. 26 44204
[10] Zhou P, Liu Z J, Wang X L, Ma Y X, Li X, Xu X J, Guo S F 2009 Chin. Phys. Lett. 26 44202
[11] Zhou P, Liu Z, Wang X, Ma Y, Ma H, Xu X 2009 Optics and Laser Technology 41 853
[12] Wang X L, Ma Y X, Zhou P, Ma H T, Li X, Xu X J, Liu Z J 2009 Laser Physics 19 984
[13] Xiao R, Zhou P, Hou J, Jiang Z F, L M 2007 Acta Phys. Sin. 56 819 (in Chinese) [肖 瑞、周 朴、侯 静、姜宗福、刘 明 2007 56 819]
[14] Xiao R, Hou J, Jiang Z F, Liu M 2006 Acta Phys. Sin. 55 6464 (in Chinese) [肖 瑞、侯 静、姜宗福、刘 明 2006 55 6464]
[15] Wang J M, Duan K L,Wang Y S 2008 Acta Phys. Sin. 57 5627 (in Chinese) [王建明、段开椋、王屹山 2008 57 5627]
[16] Yang R F, Yan P, Shen F 2009 Acta Phys. Sin. 58 8297 [杨若夫、杨 平、沈 峰 2009 58 8297]
[17] Zhou P, Liu Z J, Ma H T, Wang X L, Xu X J, Liu Z J 2010 Chin. Phys. B 19 024207
[18] Limpert J, Rser F, Klingebiel S, Schreiber T, Wirth C, Peschel T, Eberhardt R, Tünnermann A 2007 IEEE J.Sel.Top.Quantum Electron 13 537
[19] Weβels P, Ade P, Auerbach M, Wandt D, Fallnich C 2004 Opt.Express 12 4443
[20] Dajani I, C Zeringue, Shay T 2009 IEEE J.Sel.Top.Quantum Electron. 15 406
[21] Dajani I, Zeringue C, Bronder T J, Shay T, Gavrielides A, Robin C 2008 Opt.Express 16 14233
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