Abstract

With home-made fiber perform and special fiber drawing & coating technique, a new-type of (3 + 1) GTWave fiber theoretically designed for bi-directional pump method, was successfully fabricated and justified of integrating multi-kW pump energy from commercial 976nm laser diodes. This (3 + 1) GTWave fiber amplifier demonstrated uniform absorption of pump light and easy thermal management characteristics along the whole fiber length. This amplifier is capable of simultaneously aggregating 5.19kW pump power at 976nm and finally generating 5.07kW laser output at 1066.5nm with an optical-to-optical efficiency of 74.5%, the first publically-reported multi-kW GTWave fiber directly pumped with commercial 976nm laser diodes to the best of our knowledge. No power roll-over was found at 5kW level and further power scaling can be expected with more pump power. The results indicate that GTWave fiber is a competitive integrated fiber device to collect enough pump energy from low-cost commercial laser diodes for multi-kW fiber laser development.

© 2016 Optical Society of America

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2016 (4)

2015 (7)

Z. Wang, H. Zhan, L. Ni, K. Peng, X. Wang, J. Wang, F. Jing, and A. Lin, “Research progress of chelate precursor doping method to fabricate Yb-doped large-mode-area silica fibers for kW-level laser,” Laser Phys. 25(11), 115103 (2015).
[Crossref]

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[Crossref]

M. Plötner, T. Eschrich, O. de Vries, J. Kobelke, S. Unger, M. Jäger, T. Schreiber, H. Bartelt, R. Eberhardt, and A. Tünnermann, “Demonstration of >5kW emissions with good beam quality from two different 7:1 all-glass fiber coupler-types,” Proc. SPIE 9346, 93460W (2015).
[Crossref]

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[Crossref]

A. Rosales-Garcia, H. Tobioka, K. Abedin, H. Dong, Z. Várallyay, Á. Szabó, T. Taunay, S. Sullivan, and C. Headley, “2.1 kW single mode continuous wave monolithic fiber laser,” Proc. SPIE 9344, 93441G (2015).
[Crossref]

H. Zhou, Z. Chen, X. Zhou, J. Hou, and J. Chen, “All-fiber 7x1 pump combiner for high power fiber laser,” Opt. Commun. 347, 137–140 (2015).
[Crossref]

D. Jain, Y. Jung, P. Barua, S. Alam, and J. K. Sahu, “Demonstration of ultra-low NA rare-earth doped step index fiber for applications in high power fiber lasers,” Opt. Express 23(6), 7407–7415 (2015).
[Crossref] [PubMed]

2014 (4)

2013 (3)

Q. Xiao, H. Ren, P. Yan, X. Chen, and M. Gong, “Theoretical study of pumping absorption in a co-linear side-pumping coupler,” Opt. Commun. 300, 220–224 (2013).
[Crossref]

Z. Huang, J. Cao, S. Guo, J. Hou, and J. Chen, “The characteristics of pump light in side-coupled cladding-pumped fibers,” Opt. Fiber Technol. 19(4), 293–297 (2013).
[Crossref]

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[Crossref]

2012 (3)

2011 (2)

H. Zimer, M. Kozak, A. Liem, F. Flohrer, F. Doerfel, P. Riedel, S. Linke, R. Horley, F. Ghiringhelli, S. Desmoulins, M. Zervas, J. Kirchhof, S. Unger, S. Jetschke, T. Peschel, and T. Schreiber, “Fibers and fiber-optic components for high power fiber lasers,” Proc. SPIE 7914, 791414 (2011).
[Crossref]

C. X. Yu, S. J. Augst, S. M. Redmond, K. C. Goldizen, D. V. Murphy, A. Sanchez, and T. Y. Fan, “Coherent combining of a 4 kW, eight-element fiber amplifier array,” Opt. Lett. 36(14), 2686–2688 (2011).
[Crossref] [PubMed]

2010 (3)

C. Jauregui-Misas, S. Böhme, G. Wenetiadis, J. Limpert, and A. Tünnermann, “All-fiber side pump combiner for high-power fiber lasers and amplifiers,” Proc. SPIE 7580, 7580 (2010).

J. K. Kim, C. Hagemann, T. Schreiber, T. Peschel, S. Böhme, R. Eberhardt, and A. Tünnermann, “Monolithic all-glass pump combiner scheme for high-power fiber laser systems,” Opt. Express 18(12), 13194–13203 (2010).
[Crossref] [PubMed]

D. J. Richardson, J. Nilsson, and W. A. Clarkson, “High power fiber lasers: current status and future perspectives,” J. Opt. Soc. Am. B 27(11), 63–92 (2010).
[Crossref]

2008 (1)

2006 (1)

2004 (1)

P. Polynkin, V. Temyanko, M. Mansuripur, and N. Peyghambarian, “Efficient and scalable side pumping scheme for short high-power optical fiber lasers and amplifiers,” IEEE Photonics Technol. Lett. 16(9), 2024–2026 (2004).
[Crossref]

1998 (1)

K. Ueda and A. Liu, “Future of high-power fiber lasers,” Laser Phys. 8(3), 774–781 (1998).

1996 (1)

T. Weber, W. Lüthy, and H. P. Weber, “Side-pumped fiber laser,” Appl. Phys. B 63, 131–134 (1996).
[Crossref]

1995 (1)

D. J. Ripin and L. Goldberg, “High efficiency side-coupling of light into optical fibres using imbedded v-grooves,” Electron. Lett. 31(25), 2204–2205 (1995).
[Crossref]

Abedin, K.

A. Rosales-Garcia, H. Tobioka, K. Abedin, H. Dong, Z. Várallyay, Á. Szabó, T. Taunay, S. Sullivan, and C. Headley, “2.1 kW single mode continuous wave monolithic fiber laser,” Proc. SPIE 9344, 93441G (2015).
[Crossref]

Abramov, A.

V. Fomin, V. Gapontsev, E. Shcherbakov, A. Abramov, A. Ferin, and D. Mochalov, “100 kW CW fiber laser for industrial applications,” in International Conf. of Laser Opt. (2014).
[Crossref]

Alam, S.

Alam, S.-U.

K. H. Yla-Jarkko, C. Codemard, J. Singleton, P. W. Turner, I. Godfrey, S.-U. Alam, J. Nilsson, J. K. Sahu, and A. B. Grudinin, “Low noise, intelligent cladding pumped L-band EDFA,” in Proc. ECOC 2002, (Copenhagen, Denmark, 2002). p. PD1.6.

An, Y.

Z. Huang, J. Cao, Y. An, S. Guo, Z. Pan, J. Leng, J. Chen, and X. Xu, “A kilowatt all-fiber cascaded amplifier,” IEEE Photonics Technol. Lett. 27(16), 1–4 (2015).
[Crossref]

Appleyard, A.

S. Norman, R. Sieberth, A. Appleyard, A. Hassey, A. Wetzig, and E. Bayer, “Application and performance of kw-class single-mode fibre lasers in the cutting of non-oriented electrical steel,”(2012).

Auger, M.

N. Holehouse, J. Magné, M. Auger, and M. Quebec, “High power performance limits of fiber components,” Proc. SPIE 9344, 93441F (2015).
[Crossref]

Augst, S. J.

Bartelt, H.

M. Plötner, T. Eschrich, O. de Vries, J. Kobelke, S. Unger, M. Jäger, T. Schreiber, H. Bartelt, R. Eberhardt, and A. Tünnermann, “Demonstration of >5kW emissions with good beam quality from two different 7:1 all-glass fiber coupler-types,” Proc. SPIE 9346, 93460W (2015).
[Crossref]

Barua, P.

Bayer, E.

S. Norman, R. Sieberth, A. Appleyard, A. Hassey, A. Wetzig, and E. Bayer, “Application and performance of kw-class single-mode fibre lasers in the cutting of non-oriented electrical steel,”(2012).

Beier, F.

Böhme, S.

J. K. Kim, C. Hagemann, T. Schreiber, T. Peschel, S. Böhme, R. Eberhardt, and A. Tünnermann, “Monolithic all-glass pump combiner scheme for high-power fiber laser systems,” Opt. Express 18(12), 13194–13203 (2010).
[Crossref] [PubMed]

C. Jauregui-Misas, S. Böhme, G. Wenetiadis, J. Limpert, and A. Tünnermann, “All-fiber side pump combiner for high-power fiber lasers and amplifiers,” Proc. SPIE 7580, 7580 (2010).

Cao, J.

Z. Huang, J. Cao, Y. An, S. Guo, Z. Pan, J. Leng, J. Chen, and X. Xu, “A kilowatt all-fiber cascaded amplifier,” IEEE Photonics Technol. Lett. 27(16), 1–4 (2015).
[Crossref]

Z. Huang, J. Cao, S. Guo, J. Chen, and X. Xu, “Comparison of fiber lasers based on distributed side-coupled cladding-pumped fibers and double-cladding fibers,” Appl. Opt. 53(10), 2187–2195 (2014).
[Crossref] [PubMed]

Z. Huang, J. Cao, S. Guo, J. Hou, and J. Chen, “The characteristics of pump light in side-coupled cladding-pumped fibers,” Opt. Fiber Technol. 19(4), 293–297 (2013).
[Crossref]

Carlson, C. G.

D. L. Sipes, J. D. Tafoya, D. S. Schulz, B. G. Ward, and C. G. Carlson, “Advanced components for multi-kW fiber amplifiers,” Proc. SPIE 8237, 82370P (2012).
[Crossref]

Chen, J.

H. Zhou, Z. Chen, X. Zhou, J. Hou, and J. Chen, “All-fiber 7x1 pump combiner for high power fiber laser,” Opt. Commun. 347, 137–140 (2015).
[Crossref]

Z. Huang, J. Cao, Y. An, S. Guo, Z. Pan, J. Leng, J. Chen, and X. Xu, “A kilowatt all-fiber cascaded amplifier,” IEEE Photonics Technol. Lett. 27(16), 1–4 (2015).
[Crossref]

Z. Huang, J. Cao, S. Guo, J. Chen, and X. Xu, “Comparison of fiber lasers based on distributed side-coupled cladding-pumped fibers and double-cladding fibers,” Appl. Opt. 53(10), 2187–2195 (2014).
[Crossref] [PubMed]

Z. Huang, J. Cao, S. Guo, J. Hou, and J. Chen, “The characteristics of pump light in side-coupled cladding-pumped fibers,” Opt. Fiber Technol. 19(4), 293–297 (2013).
[Crossref]

Chen, X.

Q. Xiao, H. Ren, P. Yan, X. Chen, and M. Gong, “Theoretical study of pumping absorption in a co-linear side-pumping coupler,” Opt. Commun. 300, 220–224 (2013).
[Crossref]

Q. Xiao, P. Yan, H. Ren, X. Chen, and M. Gong, “A side-pump coupler with refractive index valley configuration for fiber lasers and amplifiers,” J. Lightwave Technol. 31(16), 2715–2722 (2013).
[Crossref]

Chen, Z.

H. Zhou, Z. Chen, X. Zhou, J. Hou, and J. Chen, “All-fiber 7x1 pump combiner for high power fiber laser,” Opt. Commun. 347, 137–140 (2015).
[Crossref]

Clarkson, W. A.

D. J. Richardson, J. Nilsson, and W. A. Clarkson, “High power fiber lasers: current status and future perspectives,” J. Opt. Soc. Am. B 27(11), 63–92 (2010).
[Crossref]

Codemard, C.

K. H. Yla-Jarkko, C. Codemard, J. Singleton, P. W. Turner, I. Godfrey, S.-U. Alam, J. Nilsson, J. K. Sahu, and A. B. Grudinin, “Low noise, intelligent cladding pumped L-band EDFA,” in Proc. ECOC 2002, (Copenhagen, Denmark, 2002). p. PD1.6.

Codemard, C. A.

M. N. Zervas and C. A. Codemard, “High power fiber lasers: A Review,” IEEE J. Sel. Top. Quantum Electron. 20(5), 0904123 (2014).
[Crossref]

de Vries, O.

M. Plötner, T. Eschrich, O. de Vries, J. Kobelke, S. Unger, M. Jäger, T. Schreiber, H. Bartelt, R. Eberhardt, and A. Tünnermann, “Demonstration of >5kW emissions with good beam quality from two different 7:1 all-glass fiber coupler-types,” Proc. SPIE 9346, 93460W (2015).
[Crossref]

Desmoulins, S.

H. Zimer, M. Kozak, A. Liem, F. Flohrer, F. Doerfel, P. Riedel, S. Linke, R. Horley, F. Ghiringhelli, S. Desmoulins, M. Zervas, J. Kirchhof, S. Unger, S. Jetschke, T. Peschel, and T. Schreiber, “Fibers and fiber-optic components for high power fiber lasers,” Proc. SPIE 7914, 791414 (2011).
[Crossref]

Doerfel, F.

H. Zimer, M. Kozak, A. Liem, F. Flohrer, F. Doerfel, P. Riedel, S. Linke, R. Horley, F. Ghiringhelli, S. Desmoulins, M. Zervas, J. Kirchhof, S. Unger, S. Jetschke, T. Peschel, and T. Schreiber, “Fibers and fiber-optic components for high power fiber lasers,” Proc. SPIE 7914, 791414 (2011).
[Crossref]

Dong, H.

A. Rosales-Garcia, H. Tobioka, K. Abedin, H. Dong, Z. Várallyay, Á. Szabó, T. Taunay, S. Sullivan, and C. Headley, “2.1 kW single mode continuous wave monolithic fiber laser,” Proc. SPIE 9344, 93441G (2015).
[Crossref]

Dvorácek, P.

Eberhardt, R.

Eidam, T.

Eschrich, T.

M. Plötner, T. Eschrich, O. de Vries, J. Kobelke, S. Unger, M. Jäger, T. Schreiber, H. Bartelt, R. Eberhardt, and A. Tünnermann, “Demonstration of >5kW emissions with good beam quality from two different 7:1 all-glass fiber coupler-types,” Proc. SPIE 9346, 93460W (2015).
[Crossref]

Fan, T. Y.

Ferin, A.

V. Fomin, V. Gapontsev, E. Shcherbakov, A. Abramov, A. Ferin, and D. Mochalov, “100 kW CW fiber laser for industrial applications,” in International Conf. of Laser Opt. (2014).
[Crossref]

Flohrer, F.

H. Zimer, M. Kozak, A. Liem, F. Flohrer, F. Doerfel, P. Riedel, S. Linke, R. Horley, F. Ghiringhelli, S. Desmoulins, M. Zervas, J. Kirchhof, S. Unger, S. Jetschke, T. Peschel, and T. Schreiber, “Fibers and fiber-optic components for high power fiber lasers,” Proc. SPIE 7914, 791414 (2011).
[Crossref]

Fomin, V.

V. Fomin, V. Gapontsev, E. Shcherbakov, A. Abramov, A. Ferin, and D. Mochalov, “100 kW CW fiber laser for industrial applications,” in International Conf. of Laser Opt. (2014).
[Crossref]

Gapontsev, V.

V. Fomin, V. Gapontsev, E. Shcherbakov, A. Abramov, A. Ferin, and D. Mochalov, “100 kW CW fiber laser for industrial applications,” in International Conf. of Laser Opt. (2014).
[Crossref]

Ge, T.

Q. Tan, T. Ge, X. Zhang, and Z. Wang, “Cascaded combiners for a high power CW fiber laser,” Laser Phys. 26(2), 025102 (2016).
[Crossref]

Ghiringhelli, F.

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K. H. Yla-Jarkko, C. Codemard, J. Singleton, P. W. Turner, I. Godfrey, S.-U. Alam, J. Nilsson, J. K. Sahu, and A. B. Grudinin, “Low noise, intelligent cladding pumped L-band EDFA,” in Proc. ECOC 2002, (Copenhagen, Denmark, 2002). p. PD1.6.

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H. Zimer, M. Kozak, A. Liem, F. Flohrer, F. Doerfel, P. Riedel, S. Linke, R. Horley, F. Ghiringhelli, S. Desmoulins, M. Zervas, J. Kirchhof, S. Unger, S. Jetschke, T. Peschel, and T. Schreiber, “Fibers and fiber-optic components for high power fiber lasers,” Proc. SPIE 7914, 791414 (2011).
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H. Zimer, M. Kozak, A. Liem, F. Flohrer, F. Doerfel, P. Riedel, S. Linke, R. Horley, F. Ghiringhelli, S. Desmoulins, M. Zervas, J. Kirchhof, S. Unger, S. Jetschke, T. Peschel, and T. Schreiber, “Fibers and fiber-optic components for high power fiber lasers,” Proc. SPIE 7914, 791414 (2011).
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S. Jetschke, S. Unger, A. Schwuchow, M. Leich, and J. Kirchhof, “Efficient Yb laser fibers with low photodarkening by optimization of the core composition,” Opt. Express 16(20), 15540–15545 (2008).
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M. Plötner, T. Eschrich, O. de Vries, J. Kobelke, S. Unger, M. Jäger, T. Schreiber, H. Bartelt, R. Eberhardt, and A. Tünnermann, “Demonstration of >5kW emissions with good beam quality from two different 7:1 all-glass fiber coupler-types,” Proc. SPIE 9346, 93460W (2015).
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H. Zimer, M. Kozak, A. Liem, F. Flohrer, F. Doerfel, P. Riedel, S. Linke, R. Horley, F. Ghiringhelli, S. Desmoulins, M. Zervas, J. Kirchhof, S. Unger, S. Jetschke, T. Peschel, and T. Schreiber, “Fibers and fiber-optic components for high power fiber lasers,” Proc. SPIE 7914, 791414 (2011).
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H. Zhan, Y. Wang, K. Peng, Z. Wang, L. Ni, X. Wang, J. Wang, F. Jing, and A. Lin, “2kW (2+1) GT-wave fiber amplifier,” Laser Phys. Lett. 13(4), 045103 (2016).
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Z. Wang, H. Zhan, L. Ni, K. Peng, X. Wang, J. Wang, F. Jing, and A. Lin, “Research progress of chelate precursor doping method to fabricate Yb-doped large-mode-area silica fibers for kW-level laser,” Laser Phys. 25(11), 115103 (2015).
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T. Shi, Z. Zhou, L. Ni, X. Xiao, H. Zhan, A. Zhang, and A. Lin, “Ytterbium-doped large-mode-area silica fiber fabricated by using chelate precursor doping technique,” Appl. Opt. 53(15), 3191–3195 (2014).
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P. Polynkin, V. Temyanko, M. Mansuripur, and N. Peyghambarian, “Efficient and scalable side pumping scheme for short high-power optical fiber lasers and amplifiers,” IEEE Photonics Technol. Lett. 16(9), 2024–2026 (2004).
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Mochalov, D.

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Neumann, J.

Ni, L.

H. Zhan, Y. Wang, K. Peng, Z. Wang, L. Ni, X. Wang, J. Wang, F. Jing, and A. Lin, “2kW (2+1) GT-wave fiber amplifier,” Laser Phys. Lett. 13(4), 045103 (2016).
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Z. Wang, H. Zhan, L. Ni, K. Peng, X. Wang, J. Wang, F. Jing, and A. Lin, “Research progress of chelate precursor doping method to fabricate Yb-doped large-mode-area silica fibers for kW-level laser,” Laser Phys. 25(11), 115103 (2015).
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T. Shi, Z. Zhou, L. Ni, X. Xiao, H. Zhan, A. Zhang, and A. Lin, “Ytterbium-doped large-mode-area silica fiber fabricated by using chelate precursor doping technique,” Appl. Opt. 53(15), 3191–3195 (2014).
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K. H. Yla-Jarkko, C. Codemard, J. Singleton, P. W. Turner, I. Godfrey, S.-U. Alam, J. Nilsson, J. K. Sahu, and A. B. Grudinin, “Low noise, intelligent cladding pumped L-band EDFA,” in Proc. ECOC 2002, (Copenhagen, Denmark, 2002). p. PD1.6.

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Norman, S.

S. Norman, R. Sieberth, A. Appleyard, A. Hassey, A. Wetzig, and E. Bayer, “Application and performance of kw-class single-mode fibre lasers in the cutting of non-oriented electrical steel,”(2012).

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Overmeyer, L.

Pan, Z.

Z. Huang, J. Cao, Y. An, S. Guo, Z. Pan, J. Leng, J. Chen, and X. Xu, “A kilowatt all-fiber cascaded amplifier,” IEEE Photonics Technol. Lett. 27(16), 1–4 (2015).
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Peng, K.

H. Zhan, Y. Wang, K. Peng, Z. Wang, L. Ni, X. Wang, J. Wang, F. Jing, and A. Lin, “2kW (2+1) GT-wave fiber amplifier,” Laser Phys. Lett. 13(4), 045103 (2016).
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Z. Wang, H. Zhan, L. Ni, K. Peng, X. Wang, J. Wang, F. Jing, and A. Lin, “Research progress of chelate precursor doping method to fabricate Yb-doped large-mode-area silica fibers for kW-level laser,” Laser Phys. 25(11), 115103 (2015).
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H. Zimer, M. Kozak, A. Liem, F. Flohrer, F. Doerfel, P. Riedel, S. Linke, R. Horley, F. Ghiringhelli, S. Desmoulins, M. Zervas, J. Kirchhof, S. Unger, S. Jetschke, T. Peschel, and T. Schreiber, “Fibers and fiber-optic components for high power fiber lasers,” Proc. SPIE 7914, 791414 (2011).
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J. K. Kim, C. Hagemann, T. Schreiber, T. Peschel, S. Böhme, R. Eberhardt, and A. Tünnermann, “Monolithic all-glass pump combiner scheme for high-power fiber laser systems,” Opt. Express 18(12), 13194–13203 (2010).
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Peterka, P.

Peyghambarian, N.

P. Polynkin, V. Temyanko, M. Mansuripur, and N. Peyghambarian, “Efficient and scalable side pumping scheme for short high-power optical fiber lasers and amplifiers,” IEEE Photonics Technol. Lett. 16(9), 2024–2026 (2004).
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P. Polynkin, V. Temyanko, M. Mansuripur, and N. Peyghambarian, “Efficient and scalable side pumping scheme for short high-power optical fiber lasers and amplifiers,” IEEE Photonics Technol. Lett. 16(9), 2024–2026 (2004).
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Ren, H.

Q. Xiao, P. Yan, H. Ren, X. Chen, and M. Gong, “A side-pump coupler with refractive index valley configuration for fiber lasers and amplifiers,” J. Lightwave Technol. 31(16), 2715–2722 (2013).
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Q. Xiao, H. Ren, P. Yan, X. Chen, and M. Gong, “Theoretical study of pumping absorption in a co-linear side-pumping coupler,” Opt. Commun. 300, 220–224 (2013).
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D. J. Richardson, J. Nilsson, and W. A. Clarkson, “High power fiber lasers: current status and future perspectives,” J. Opt. Soc. Am. B 27(11), 63–92 (2010).
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H. Zimer, M. Kozak, A. Liem, F. Flohrer, F. Doerfel, P. Riedel, S. Linke, R. Horley, F. Ghiringhelli, S. Desmoulins, M. Zervas, J. Kirchhof, S. Unger, S. Jetschke, T. Peschel, and T. Schreiber, “Fibers and fiber-optic components for high power fiber lasers,” Proc. SPIE 7914, 791414 (2011).
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D. J. Ripin and L. Goldberg, “High efficiency side-coupling of light into optical fibres using imbedded v-grooves,” Electron. Lett. 31(25), 2204–2205 (1995).
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A. Rosales-Garcia, H. Tobioka, K. Abedin, H. Dong, Z. Várallyay, Á. Szabó, T. Taunay, S. Sullivan, and C. Headley, “2.1 kW single mode continuous wave monolithic fiber laser,” Proc. SPIE 9344, 93441G (2015).
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D. Jain, Y. Jung, P. Barua, S. Alam, and J. K. Sahu, “Demonstration of ultra-low NA rare-earth doped step index fiber for applications in high power fiber lasers,” Opt. Express 23(6), 7407–7415 (2015).
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Sanchez, A.

Sattler, B.

Sayinc, H.

Schreiber, T.

F. Beier, C. Hupel, J. Nold, S. Kuhn, S. Hein, J. Ihring, B. Sattler, N. Haarlammert, T. Schreiber, R. Eberhardt, and A. Tünnermann, “Narrow linewidth, single mode 3 kW average power from a directly diode pumped ytterbium-doped low NA fiber amplifier,” Opt. Express 24(6), 6011–6020 (2016).
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M. Plötner, T. Eschrich, O. de Vries, J. Kobelke, S. Unger, M. Jäger, T. Schreiber, H. Bartelt, R. Eberhardt, and A. Tünnermann, “Demonstration of >5kW emissions with good beam quality from two different 7:1 all-glass fiber coupler-types,” Proc. SPIE 9346, 93460W (2015).
[Crossref]

H. Zimer, M. Kozak, A. Liem, F. Flohrer, F. Doerfel, P. Riedel, S. Linke, R. Horley, F. Ghiringhelli, S. Desmoulins, M. Zervas, J. Kirchhof, S. Unger, S. Jetschke, T. Peschel, and T. Schreiber, “Fibers and fiber-optic components for high power fiber lasers,” Proc. SPIE 7914, 791414 (2011).
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J. K. Kim, C. Hagemann, T. Schreiber, T. Peschel, S. Böhme, R. Eberhardt, and A. Tünnermann, “Monolithic all-glass pump combiner scheme for high-power fiber laser systems,” Opt. Express 18(12), 13194–13203 (2010).
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Schulz, D. S.

D. L. Sipes, J. D. Tafoya, D. S. Schulz, B. G. Ward, and C. G. Carlson, “Advanced components for multi-kW fiber amplifiers,” Proc. SPIE 8237, 82370P (2012).
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Schwuchow, A.

Shcherbakov, E.

V. Fomin, V. Gapontsev, E. Shcherbakov, A. Abramov, A. Ferin, and D. Mochalov, “100 kW CW fiber laser for industrial applications,” in International Conf. of Laser Opt. (2014).
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Shi, T.

Sieberth, R.

S. Norman, R. Sieberth, A. Appleyard, A. Hassey, A. Wetzig, and E. Bayer, “Application and performance of kw-class single-mode fibre lasers in the cutting of non-oriented electrical steel,”(2012).

Singleton, J.

K. H. Yla-Jarkko, C. Codemard, J. Singleton, P. W. Turner, I. Godfrey, S.-U. Alam, J. Nilsson, J. K. Sahu, and A. B. Grudinin, “Low noise, intelligent cladding pumped L-band EDFA,” in Proc. ECOC 2002, (Copenhagen, Denmark, 2002). p. PD1.6.

Sipes, D. L.

D. L. Sipes, J. D. Tafoya, D. S. Schulz, B. G. Ward, and C. G. Carlson, “Advanced components for multi-kW fiber amplifiers,” Proc. SPIE 8237, 82370P (2012).
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Sullivan, S.

A. Rosales-Garcia, H. Tobioka, K. Abedin, H. Dong, Z. Várallyay, Á. Szabó, T. Taunay, S. Sullivan, and C. Headley, “2.1 kW single mode continuous wave monolithic fiber laser,” Proc. SPIE 9344, 93441G (2015).
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A. Rosales-Garcia, H. Tobioka, K. Abedin, H. Dong, Z. Várallyay, Á. Szabó, T. Taunay, S. Sullivan, and C. Headley, “2.1 kW single mode continuous wave monolithic fiber laser,” Proc. SPIE 9344, 93441G (2015).
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D. L. Sipes, J. D. Tafoya, D. S. Schulz, B. G. Ward, and C. G. Carlson, “Advanced components for multi-kW fiber amplifiers,” Proc. SPIE 8237, 82370P (2012).
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A. Rosales-Garcia, H. Tobioka, K. Abedin, H. Dong, Z. Várallyay, Á. Szabó, T. Taunay, S. Sullivan, and C. Headley, “2.1 kW single mode continuous wave monolithic fiber laser,” Proc. SPIE 9344, 93441G (2015).
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P. Polynkin, V. Temyanko, M. Mansuripur, and N. Peyghambarian, “Efficient and scalable side pumping scheme for short high-power optical fiber lasers and amplifiers,” IEEE Photonics Technol. Lett. 16(9), 2024–2026 (2004).
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Tobioka, H.

A. Rosales-Garcia, H. Tobioka, K. Abedin, H. Dong, Z. Várallyay, Á. Szabó, T. Taunay, S. Sullivan, and C. Headley, “2.1 kW single mode continuous wave monolithic fiber laser,” Proc. SPIE 9344, 93441G (2015).
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Turner, P. W.

K. H. Yla-Jarkko, C. Codemard, J. Singleton, P. W. Turner, I. Godfrey, S.-U. Alam, J. Nilsson, J. K. Sahu, and A. B. Grudinin, “Low noise, intelligent cladding pumped L-band EDFA,” in Proc. ECOC 2002, (Copenhagen, Denmark, 2002). p. PD1.6.

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K. Ueda and A. Liu, “Future of high-power fiber lasers,” Laser Phys. 8(3), 774–781 (1998).

Unger, S.

M. Plötner, T. Eschrich, O. de Vries, J. Kobelke, S. Unger, M. Jäger, T. Schreiber, H. Bartelt, R. Eberhardt, and A. Tünnermann, “Demonstration of >5kW emissions with good beam quality from two different 7:1 all-glass fiber coupler-types,” Proc. SPIE 9346, 93460W (2015).
[Crossref]

H. Zimer, M. Kozak, A. Liem, F. Flohrer, F. Doerfel, P. Riedel, S. Linke, R. Horley, F. Ghiringhelli, S. Desmoulins, M. Zervas, J. Kirchhof, S. Unger, S. Jetschke, T. Peschel, and T. Schreiber, “Fibers and fiber-optic components for high power fiber lasers,” Proc. SPIE 7914, 791414 (2011).
[Crossref]

S. Jetschke, S. Unger, A. Schwuchow, M. Leich, and J. Kirchhof, “Efficient Yb laser fibers with low photodarkening by optimization of the core composition,” Opt. Express 16(20), 15540–15545 (2008).
[Crossref] [PubMed]

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A. Rosales-Garcia, H. Tobioka, K. Abedin, H. Dong, Z. Várallyay, Á. Szabó, T. Taunay, S. Sullivan, and C. Headley, “2.1 kW single mode continuous wave monolithic fiber laser,” Proc. SPIE 9344, 93441G (2015).
[Crossref]

Wang, J.

H. Zhan, Y. Wang, K. Peng, Z. Wang, L. Ni, X. Wang, J. Wang, F. Jing, and A. Lin, “2kW (2+1) GT-wave fiber amplifier,” Laser Phys. Lett. 13(4), 045103 (2016).
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Z. Wang, H. Zhan, L. Ni, K. Peng, X. Wang, J. Wang, F. Jing, and A. Lin, “Research progress of chelate precursor doping method to fabricate Yb-doped large-mode-area silica fibers for kW-level laser,” Laser Phys. 25(11), 115103 (2015).
[Crossref]

Wang, X.

H. Zhan, Y. Wang, K. Peng, Z. Wang, L. Ni, X. Wang, J. Wang, F. Jing, and A. Lin, “2kW (2+1) GT-wave fiber amplifier,” Laser Phys. Lett. 13(4), 045103 (2016).
[Crossref]

Z. Wang, H. Zhan, L. Ni, K. Peng, X. Wang, J. Wang, F. Jing, and A. Lin, “Research progress of chelate precursor doping method to fabricate Yb-doped large-mode-area silica fibers for kW-level laser,” Laser Phys. 25(11), 115103 (2015).
[Crossref]

Wang, Y.

H. Zhan, Y. Wang, K. Peng, Z. Wang, L. Ni, X. Wang, J. Wang, F. Jing, and A. Lin, “2kW (2+1) GT-wave fiber amplifier,” Laser Phys. Lett. 13(4), 045103 (2016).
[Crossref]

Wang, Z.

H. Zhan, Y. Wang, K. Peng, Z. Wang, L. Ni, X. Wang, J. Wang, F. Jing, and A. Lin, “2kW (2+1) GT-wave fiber amplifier,” Laser Phys. Lett. 13(4), 045103 (2016).
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Q. Tan, T. Ge, X. Zhang, and Z. Wang, “Cascaded combiners for a high power CW fiber laser,” Laser Phys. 26(2), 025102 (2016).
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Z. Wang, H. Zhan, L. Ni, K. Peng, X. Wang, J. Wang, F. Jing, and A. Lin, “Research progress of chelate precursor doping method to fabricate Yb-doped large-mode-area silica fibers for kW-level laser,” Laser Phys. 25(11), 115103 (2015).
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C. Jauregui-Misas, S. Böhme, G. Wenetiadis, J. Limpert, and A. Tünnermann, “All-fiber side pump combiner for high-power fiber lasers and amplifiers,” Proc. SPIE 7580, 7580 (2010).

Wetzig, A.

S. Norman, R. Sieberth, A. Appleyard, A. Hassey, A. Wetzig, and E. Bayer, “Application and performance of kw-class single-mode fibre lasers in the cutting of non-oriented electrical steel,”(2012).

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Q. Xiao, P. Yan, H. Ren, X. Chen, and M. Gong, “A side-pump coupler with refractive index valley configuration for fiber lasers and amplifiers,” J. Lightwave Technol. 31(16), 2715–2722 (2013).
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H. Zhan, Y. Wang, K. Peng, Z. Wang, L. Ni, X. Wang, J. Wang, F. Jing, and A. Lin, “2kW (2+1) GT-wave fiber amplifier,” Laser Phys. Lett. 13(4), 045103 (2016).
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Z. Wang, H. Zhan, L. Ni, K. Peng, X. Wang, J. Wang, F. Jing, and A. Lin, “Research progress of chelate precursor doping method to fabricate Yb-doped large-mode-area silica fibers for kW-level laser,” Laser Phys. 25(11), 115103 (2015).
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Q. Tan, T. Ge, X. Zhang, and Z. Wang, “Cascaded combiners for a high power CW fiber laser,” Laser Phys. 26(2), 025102 (2016).
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H. Zhou, Z. Chen, X. Zhou, J. Hou, and J. Chen, “All-fiber 7x1 pump combiner for high power fiber laser,” Opt. Commun. 347, 137–140 (2015).
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H. Zhou, Z. Chen, X. Zhou, J. Hou, and J. Chen, “All-fiber 7x1 pump combiner for high power fiber laser,” Opt. Commun. 347, 137–140 (2015).
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H. Zimer, M. Kozak, A. Liem, F. Flohrer, F. Doerfel, P. Riedel, S. Linke, R. Horley, F. Ghiringhelli, S. Desmoulins, M. Zervas, J. Kirchhof, S. Unger, S. Jetschke, T. Peschel, and T. Schreiber, “Fibers and fiber-optic components for high power fiber lasers,” Proc. SPIE 7914, 791414 (2011).
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Laser Phys. Lett. (1)

H. Zhan, Y. Wang, K. Peng, Z. Wang, L. Ni, X. Wang, J. Wang, F. Jing, and A. Lin, “2kW (2+1) GT-wave fiber amplifier,” Laser Phys. Lett. 13(4), 045103 (2016).
[Crossref]

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Q. Xiao, H. Ren, P. Yan, X. Chen, and M. Gong, “Theoretical study of pumping absorption in a co-linear side-pumping coupler,” Opt. Commun. 300, 220–224 (2013).
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S. Norman, R. Sieberth, A. Appleyard, A. Hassey, A. Wetzig, and E. Bayer, “Application and performance of kw-class single-mode fibre lasers in the cutting of non-oriented electrical steel,”(2012).

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Figures (6)

Fig. 1
Fig. 1 Experimental setup of (3 + 1) GTWave fiber amplifier system. (LDs: laser diodes; FBG: fiber Bragg grating; MFA: mode field adaptor; CLS: clad light stripper; QBH: quartz block holder; PM: power meter)
Fig. 2
Fig. 2 Schematic diagram of (3 + 1) GTWave fiber: (a) Cross-section; (b) Side-view.
Fig. 3
Fig. 3 (a) Evolution of the absorption coefficient α; (b) Temperature distribution of core region and polymer cladding longitudinally along GTWave fiber length.
Fig. 4
Fig. 4 (3 + 1) GTWave fiber: (a) Pump light and signal light distributions; (b) Experimentally measured slope efficiency; (c) Theoretically calculated slope efficiency; (d) Independently measured slope efficiency of 30/250 Yb-APS signal fiber.
Fig. 5
Fig. 5 Laser output spectrum at 5 kW.
Fig. 6
Fig. 6 Laser beam profile and quality factor M2: (a) 200W seed light; (b) 4.1kW output laser.

Equations (3)

Equations on this page are rendered with MathJax. Learn more.

α ± ( z )= 1 P P ± d P P ± dz
d P s dz = η oo ( d P p dz d P p + dz ) l s P s
q(z)= 1 A co η heat ( d P p + dz + d P p dz )

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