Abstract

Output power scaling of single mode large mode area (LMA) photonic crystal fiber (PCF) amplifiers urgently requires the low refractive index of Yb3+-doped silica glasses whilst maintaining high optical homogeneity. In this paper, we report on a promising alternative Yb3+/Al3+/F/P5+-co-doped silica core-glass (YAFP), which is prepared by modified sol-gel method developed by our group and highly suitable for fabricating high power LMA PCF amplifiers. By controlling the doping combinations of Al3+/F/P5+ in Yb3+-doped silica glass,it not only ensures low refractive index (RI) but also maintains the excellent optical homogeneity and spectroscopic properties of Yb3+. The spectroscopic properties of Yb3+ ions have not deteriorated by the co-doping of F and P5+ in YAFP glass compared with that of Yb3+/Al3+ co-doped silica glass. A large-size (⌀5 mm × 90 mm) YAFP silica-core glass rod with low average RI difference of 2.6 × 10−4 (with respect to pure silica glass), and low radial and axial RI fluctuations of ~2 × 10−4, was prepared. A LMA PCF with 50 µm core diameter was obtained by stack-capillary-draw techniques using YAFP core glass. Its core NA is 0.027. An average amplified power of 97 W peaking at 1030 nm and light-light efficiency of 54% are achieved from a 6.5 m long PCF in the pulse amplification laser experiment. Meanwhile, quasi-single-mode transmission is obtained with laser beam quality factor M2 of 1.4.

© 2017 Optical Society of America

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References

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2017 (3)

2016 (4)

W. Xu, M. Wang, S. Feng, and L. Zhang, “Fabrication and Laser Amplification Behavior of Yb3+/Al3+ Co-Doped Photonic Crystal Fiber,” IEEE Photonics Technol. Lett. 28, 391–393 (2016).

W. Xu, Z. Lin, M. Wang, S. Feng, L. Zhang, Q. Zhou, D. Chen, L. Zhang, S. Wang, C. Yu, and L. Hu, “50 μm core diameter Yb3+Al3+/F− codoped silica fiber with M2<1.1 beam quality,” Opt. Lett. 41(3), 504–507 (2016).
[PubMed]

V. Petit, R. P. Tumminelli, J. D. Minelly, and V. Khitrov, “Extremely low NA Yb doped preforms (<0.03) fabricated by MCVD,” Proc. SPIE 9728, 97282R (2016).

Z. Wang, Q. Li, Z. Wang, F. Zou, Y. Bai, S. Feng, and J. Zhou, “255 W picosecond MOPA laser based on self-made Yb-doped very-large-mode-area photonic crystal fiber,” Chin. Opt. Lett. 14, 54–57 (2016).

2015 (7)

M. Y. Koptev, E. A. Anashkina, K. K. Bobkov, M. E. Likhachev, A. E. Levchenko, S. S. Aleshkina, S. L. Semjonov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Gur’yanov, A. V. Andrianov, S. V. Muravyev, and A. V. Kim, “Fibre amplifier based on an ytterbium-doped active tapered fibre for the generation of megawatt peak power ultrashort optical pulses,” Quantum Electron. 45, 443–450 (2015).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, and M. Guzik, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

K. Schuster, S. Grimm, A. Kalide, J. Dellith, M. Leich, A. Schwuchow, A. Langner, G. Schötz, and H. Bartelt, “Evolution of fluorine doping following the REPUSIL process for the adjustment of optical properties of silica materials,” Opt. Mater. Express 5, 887–897 (2015).

A. Morana, S. Girard, M. Cannas, E. Marin, C. Marcandella, P. Paillet, J. Périsse, J. R. Macé, R. Boscaino, and B. Nacir, “Influence of neutron and gamma-ray irradiations on rad-hard optical fiber,” Opt. Mater. Express 5, 898–911 (2015).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, M. Guzik, and G. Boulon, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

W. Xu, J. Ren, C. Shao, X. Wang, M. Wang, L. Zhang, D. Chen, S. Wang, C. Yu, and L. Hu, “Effect of P5+ on spectroscopy and structure of Yb3+/Al3+/P5+ co-doped silica glass,” J. Lumin. 167, 8–15 (2015).

G. Gao, A. Winterstein-Beckmann, O. Surzhenko, C. Dubs, J. Dellith, M. A. Schmidt, and L. Wondraczek, “Faraday rotation and photoluminescence in heavily Tb3+-doped GeO2-B2O3-Al2O3-Ga2O3 glasses for fiber-integrated magneto-optics,” Sci. Rep. 5, 8942 (2015).
[PubMed]

2014 (5)

K. K. Bobkov, “Charge-transfer state excitation as the main mechanism of the photodarkening process in ytterbium-doped aluminosilicate fibres,” Quantum Electron. 44, 1129–1135 (2014).

B. Yang, X. Liu, X. Wang, J. Zhang, L. Hu, and L. Zhang, “Compositional dependence of room-temperature Stark splitting of Yb3+ in several popular glass systems,” Opt. Lett. 39(7), 1772–1774 (2014).
[PubMed]

S. Wang, F. Lou, C. Yu, Q. Zhou, M. Wang, S. Feng, D. Chen, L. Hu, W. Chen, and M. Guzik, “Influence of Al3+ and P5+ ion contents on the valence state of Yb3+ ions and the dispersion effect of Al3+ and P5+ ions on Yb3+ ions in silica glass,” J. Mater. Chem. C Mater. Opt. Electron. Devices 2, 4406–4414 (2014).

K. Schuster, S. Unger, C. Aichele, F. Lindner, S. Grimm, D. Litzkendorf, J. Kobelke, J. Bierlich, K. Wondraczek, and H. Bartelt, “Material and technology trends in fiber optics,” Adv. Opt. Technol. 3, 447–468 (2014).

W. He, M. Leich, S. Grimm, J. Kobelke, Y. Zhu, H. Bartelt, and M. Jäger, “Very large mode area ytterbium fiber amplifier with aluminum-doped pump cladding made by powder sinter technology,” Laser Phys. Lett. 12, 015103 (2014).

2013 (2)

2012 (2)

2011 (1)

J. J. Koponen, L. C. Petit, T. Kokki, V. Aallos, J. Paul, and H. Ihalainen, “Progress in direct nanoparticle deposition for the development of the next generation fiber lasers,” Opt. Eng. 50, 1605 (2011).

2010 (1)

J. Kirchhof, S. Unger, A. Schwuchow, S. Jetschke, V. Reichel, M. Leich, and A. Scheffel, “The influence of Yb ions on optical properties and power stability of ytterbium-doped laser fibers,” Proc. SPIE 7598, 75980B (2010).

2009 (1)

2007 (2)

U. Pedrazza, V. Romano, and W. Lüthy, “Yb3+:Al3+:sol-gel silica glass fiber laser,” Opt. Mater. 29, 905–907 (2007).

Y. Qiao, N. Da, D. Chen, Q. Zhou, J. Qiu, and T. Akai, “Spectroscopic properties of neodymium doped high silica glass and aluminum codoping effects on the enhancement of fluorescence emission,” Appl. Phys. B 87, 717–722 (2007).

2006 (1)

J. Kirchhof, S. Unger, A. Schwuchow, S. Grimm, and V. Reichel, “Materials for high-power fiber lasers,” J. Non-Cryst. Solids 352, 2399–2403 (2006).

2004 (2)

2003 (1)

1997 (1)

R. Paschotta, J. Nilsson, A. C. Tropper, and D. C. Hanna, “Ytterbium-doped fibre amplifiers,” IEEE J. Quantum Electron. 33, 1049–1056 (1997).

1989 (2)

D. J. Digiovanni, J. B. Macchesney, and T. Y. Kometani, “Structure and properties of silica containing aluminum and phosphorus near the AlPO4 join,” J. Non-Cryst. Solids 113, 58–64 (1989).

D. J. DiGiovanni, J. B. MacChesney, and T. Y. Kometani, “Structure and properties of silica containing aluminum and phosphorus near the AlPO4 join,” J. Non-Cryst. Solids 113, 58–64 (1989).

Aallos, V.

J. J. Koponen, L. C. Petit, T. Kokki, V. Aallos, J. Paul, and H. Ihalainen, “Progress in direct nanoparticle deposition for the development of the next generation fiber lasers,” Opt. Eng. 50, 1605 (2011).

Aichele, C.

K. Schuster, S. Unger, C. Aichele, F. Lindner, S. Grimm, D. Litzkendorf, J. Kobelke, J. Bierlich, K. Wondraczek, and H. Bartelt, “Material and technology trends in fiber optics,” Adv. Opt. Technol. 3, 447–468 (2014).

Akai, T.

Y. Qiao, N. Da, D. Chen, Q. Zhou, J. Qiu, and T. Akai, “Spectroscopic properties of neodymium doped high silica glass and aluminum codoping effects on the enhancement of fluorescence emission,” Appl. Phys. B 87, 717–722 (2007).

Aleshkina, S. S.

K. K. Bobkov, M. Y. Koptev, A. E. Levchenko, S. S. Aleshkina, S. L. Semenov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Guryanov, E. A. Anashkina, S. V. Muravyev, A. V. Andrianov, A. V. Kim, and M. E. Likhachev, “MW peak power diffraction limited monolithic Yb-doped tapered fiber amplifier,” Proc. SPIE 10083, 1008309 (2017).

M. Y. Koptev, E. A. Anashkina, K. K. Bobkov, M. E. Likhachev, A. E. Levchenko, S. S. Aleshkina, S. L. Semjonov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Gur’yanov, A. V. Andrianov, S. V. Muravyev, and A. V. Kim, “Fibre amplifier based on an ytterbium-doped active tapered fibre for the generation of megawatt peak power ultrashort optical pulses,” Quantum Electron. 45, 443–450 (2015).

Alkeskjold, T. T.

Anashkina, E. A.

K. K. Bobkov, M. Y. Koptev, A. E. Levchenko, S. S. Aleshkina, S. L. Semenov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Guryanov, E. A. Anashkina, S. V. Muravyev, A. V. Andrianov, A. V. Kim, and M. E. Likhachev, “MW peak power diffraction limited monolithic Yb-doped tapered fiber amplifier,” Proc. SPIE 10083, 1008309 (2017).

M. Y. Koptev, E. A. Anashkina, K. K. Bobkov, M. E. Likhachev, A. E. Levchenko, S. S. Aleshkina, S. L. Semjonov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Gur’yanov, A. V. Andrianov, S. V. Muravyev, and A. V. Kim, “Fibre amplifier based on an ytterbium-doped active tapered fibre for the generation of megawatt peak power ultrashort optical pulses,” Quantum Electron. 45, 443–450 (2015).

Andrianov, A. V.

K. K. Bobkov, M. Y. Koptev, A. E. Levchenko, S. S. Aleshkina, S. L. Semenov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Guryanov, E. A. Anashkina, S. V. Muravyev, A. V. Andrianov, A. V. Kim, and M. E. Likhachev, “MW peak power diffraction limited monolithic Yb-doped tapered fiber amplifier,” Proc. SPIE 10083, 1008309 (2017).

M. Y. Koptev, E. A. Anashkina, K. K. Bobkov, M. E. Likhachev, A. E. Levchenko, S. S. Aleshkina, S. L. Semjonov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Gur’yanov, A. V. Andrianov, S. V. Muravyev, and A. V. Kim, “Fibre amplifier based on an ytterbium-doped active tapered fibre for the generation of megawatt peak power ultrashort optical pulses,” Quantum Electron. 45, 443–450 (2015).

Bai, Y.

Z. Wang, Q. Li, Z. Wang, F. Zou, Y. Bai, S. Feng, and J. Zhou, “255 W picosecond MOPA laser based on self-made Yb-doped very-large-mode-area photonic crystal fiber,” Chin. Opt. Lett. 14, 54–57 (2016).

Bartelt, H.

K. Schuster, S. Grimm, A. Kalide, J. Dellith, M. Leich, A. Schwuchow, A. Langner, G. Schötz, and H. Bartelt, “Evolution of fluorine doping following the REPUSIL process for the adjustment of optical properties of silica materials,” Opt. Mater. Express 5, 887–897 (2015).

W. He, M. Leich, S. Grimm, J. Kobelke, Y. Zhu, H. Bartelt, and M. Jäger, “Very large mode area ytterbium fiber amplifier with aluminum-doped pump cladding made by powder sinter technology,” Laser Phys. Lett. 12, 015103 (2014).

K. Schuster, S. Unger, C. Aichele, F. Lindner, S. Grimm, D. Litzkendorf, J. Kobelke, J. Bierlich, K. Wondraczek, and H. Bartelt, “Material and technology trends in fiber optics,” Adv. Opt. Technol. 3, 447–468 (2014).

Bierlich, J.

K. Schuster, S. Unger, C. Aichele, F. Lindner, S. Grimm, D. Litzkendorf, J. Kobelke, J. Bierlich, K. Wondraczek, and H. Bartelt, “Material and technology trends in fiber optics,” Adv. Opt. Technol. 3, 447–468 (2014).

Bigot, L.

Bobkov, K. K.

K. K. Bobkov, M. Y. Koptev, A. E. Levchenko, S. S. Aleshkina, S. L. Semenov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Guryanov, E. A. Anashkina, S. V. Muravyev, A. V. Andrianov, A. V. Kim, and M. E. Likhachev, “MW peak power diffraction limited monolithic Yb-doped tapered fiber amplifier,” Proc. SPIE 10083, 1008309 (2017).

M. Y. Koptev, E. A. Anashkina, K. K. Bobkov, M. E. Likhachev, A. E. Levchenko, S. S. Aleshkina, S. L. Semjonov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Gur’yanov, A. V. Andrianov, S. V. Muravyev, and A. V. Kim, “Fibre amplifier based on an ytterbium-doped active tapered fibre for the generation of megawatt peak power ultrashort optical pulses,” Quantum Electron. 45, 443–450 (2015).

K. K. Bobkov, “Charge-transfer state excitation as the main mechanism of the photodarkening process in ytterbium-doped aluminosilicate fibres,” Quantum Electron. 44, 1129–1135 (2014).

Boscaino, R.

Bouazaoui, M.

Boulon, G.

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, M. Guzik, and G. Boulon, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

Bouwmans, G.

Broeng, J.

Bubnov, M. M.

K. K. Bobkov, M. Y. Koptev, A. E. Levchenko, S. S. Aleshkina, S. L. Semenov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Guryanov, E. A. Anashkina, S. V. Muravyev, A. V. Andrianov, A. V. Kim, and M. E. Likhachev, “MW peak power diffraction limited monolithic Yb-doped tapered fiber amplifier,” Proc. SPIE 10083, 1008309 (2017).

M. Y. Koptev, E. A. Anashkina, K. K. Bobkov, M. E. Likhachev, A. E. Levchenko, S. S. Aleshkina, S. L. Semjonov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Gur’yanov, A. V. Andrianov, S. V. Muravyev, and A. V. Kim, “Fibre amplifier based on an ytterbium-doped active tapered fibre for the generation of megawatt peak power ultrashort optical pulses,” Quantum Electron. 45, 443–450 (2015).

M. E. Likhachev, M. M. Bubnov, K. V. Zotov, D. S. Lipatov, M. V. Yashkov, and A. N. Guryanov, “Effect of the AlPO4 join on the pump-to-signal conversion efficiency in heavily Er-doped fibers,” Opt. Lett. 34(21), 3355–3357 (2009).
[PubMed]

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W. Xu, Z. Lin, M. Wang, S. Feng, L. Zhang, Q. Zhou, D. Chen, L. Zhang, S. Wang, C. Yu, and L. Hu, “50 μm core diameter Yb3+Al3+/F− codoped silica fiber with M2<1.1 beam quality,” Opt. Lett. 41(3), 504–507 (2016).
[PubMed]

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, and M. Guzik, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, M. Guzik, and G. Boulon, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

W. Xu, J. Ren, C. Shao, X. Wang, M. Wang, L. Zhang, D. Chen, S. Wang, C. Yu, and L. Hu, “Effect of P5+ on spectroscopy and structure of Yb3+/Al3+/P5+ co-doped silica glass,” J. Lumin. 167, 8–15 (2015).

S. Wang, F. Lou, C. Yu, Q. Zhou, M. Wang, S. Feng, D. Chen, L. Hu, W. Chen, and M. Guzik, “Influence of Al3+ and P5+ ion contents on the valence state of Yb3+ ions and the dispersion effect of Al3+ and P5+ ions on Yb3+ ions in silica glass,” J. Mater. Chem. C Mater. Opt. Electron. Devices 2, 4406–4414 (2014).

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Chen, W.

S. Wang, F. Lou, C. Yu, Q. Zhou, M. Wang, S. Feng, D. Chen, L. Hu, W. Chen, and M. Guzik, “Influence of Al3+ and P5+ ion contents on the valence state of Yb3+ ions and the dispersion effect of Al3+ and P5+ ions on Yb3+ ions in silica glass,” J. Mater. Chem. C Mater. Opt. Electron. Devices 2, 4406–4414 (2014).

Coscelli, E.

Cucinotta, A.

Da, N.

Y. Qiao, N. Da, D. Chen, Q. Zhou, J. Qiu, and T. Akai, “Spectroscopic properties of neodymium doped high silica glass and aluminum codoping effects on the enhancement of fluorescence emission,” Appl. Phys. B 87, 717–722 (2007).

Dellith, J.

G. Gao, A. Winterstein-Beckmann, O. Surzhenko, C. Dubs, J. Dellith, M. A. Schmidt, and L. Wondraczek, “Faraday rotation and photoluminescence in heavily Tb3+-doped GeO2-B2O3-Al2O3-Ga2O3 glasses for fiber-integrated magneto-optics,” Sci. Rep. 5, 8942 (2015).
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Denisov, A. N.

K. K. Bobkov, M. Y. Koptev, A. E. Levchenko, S. S. Aleshkina, S. L. Semenov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Guryanov, E. A. Anashkina, S. V. Muravyev, A. V. Andrianov, A. V. Kim, and M. E. Likhachev, “MW peak power diffraction limited monolithic Yb-doped tapered fiber amplifier,” Proc. SPIE 10083, 1008309 (2017).

M. Y. Koptev, E. A. Anashkina, K. K. Bobkov, M. E. Likhachev, A. E. Levchenko, S. S. Aleshkina, S. L. Semjonov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Gur’yanov, A. V. Andrianov, S. V. Muravyev, and A. V. Kim, “Fibre amplifier based on an ytterbium-doped active tapered fibre for the generation of megawatt peak power ultrashort optical pulses,” Quantum Electron. 45, 443–450 (2015).

DiGiovanni, D. J.

D. J. DiGiovanni, J. B. MacChesney, and T. Y. Kometani, “Structure and properties of silica containing aluminum and phosphorus near the AlPO4 join,” J. Non-Cryst. Solids 113, 58–64 (1989).

D. J. Digiovanni, J. B. Macchesney, and T. Y. Kometani, “Structure and properties of silica containing aluminum and phosphorus near the AlPO4 join,” J. Non-Cryst. Solids 113, 58–64 (1989).

Douay, M.

Dubs, C.

G. Gao, A. Winterstein-Beckmann, O. Surzhenko, C. Dubs, J. Dellith, M. A. Schmidt, and L. Wondraczek, “Faraday rotation and photoluminescence in heavily Tb3+-doped GeO2-B2O3-Al2O3-Ga2O3 glasses for fiber-integrated magneto-optics,” Sci. Rep. 5, 8942 (2015).
[PubMed]

El Hamzaoui, H.

Engholm, M.

Feng, S.

S. Wang, W. Xu, F. Wang, F. Lou, L. Zhang, Q. Zhou, D. Chen, S. Feng, M. Wang, C. Yu, and L. Hu, “Yb3+-doped silica glass rod with high optical quality and low optical attenuation prepared by modified sol-gel technology for large mode area fiber,” Opt. Mater. Express 7, 2012 (2017).

W. Xu, Z. Lin, M. Wang, S. Feng, L. Zhang, Q. Zhou, D. Chen, L. Zhang, S. Wang, C. Yu, and L. Hu, “50 μm core diameter Yb3+Al3+/F− codoped silica fiber with M2<1.1 beam quality,” Opt. Lett. 41(3), 504–507 (2016).
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W. Xu, M. Wang, S. Feng, and L. Zhang, “Fabrication and Laser Amplification Behavior of Yb3+/Al3+ Co-Doped Photonic Crystal Fiber,” IEEE Photonics Technol. Lett. 28, 391–393 (2016).

Z. Wang, Q. Li, Z. Wang, F. Zou, Y. Bai, S. Feng, and J. Zhou, “255 W picosecond MOPA laser based on self-made Yb-doped very-large-mode-area photonic crystal fiber,” Chin. Opt. Lett. 14, 54–57 (2016).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, M. Guzik, and G. Boulon, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, and M. Guzik, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

S. Wang, F. Lou, C. Yu, Q. Zhou, M. Wang, S. Feng, D. Chen, L. Hu, W. Chen, and M. Guzik, “Influence of Al3+ and P5+ ion contents on the valence state of Yb3+ ions and the dispersion effect of Al3+ and P5+ ions on Yb3+ ions in silica glass,” J. Mater. Chem. C Mater. Opt. Electron. Devices 2, 4406–4414 (2014).

Galvanauskas, A.

A. Galvanauskas, “High Power Fiber lasers,” Opt. Photonics News 15, 42–47 (2004).

Gao, G.

G. Gao, A. Winterstein-Beckmann, O. Surzhenko, C. Dubs, J. Dellith, M. A. Schmidt, and L. Wondraczek, “Faraday rotation and photoluminescence in heavily Tb3+-doped GeO2-B2O3-Al2O3-Ga2O3 glasses for fiber-integrated magneto-optics,” Sci. Rep. 5, 8942 (2015).
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G. Gao, M. Peng, and L. Wondraczek, “Temperature dependence and quantum efficiency of ultrabroad NIR photoluminescence from Ni2+ centers in nanocrystalline Ba-Al titanate glass ceramics,” Opt. Lett. 37(7), 1166–1168 (2012).
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Grimm, S.

K. Schuster, S. Grimm, A. Kalide, J. Dellith, M. Leich, A. Schwuchow, A. Langner, G. Schötz, and H. Bartelt, “Evolution of fluorine doping following the REPUSIL process for the adjustment of optical properties of silica materials,” Opt. Mater. Express 5, 887–897 (2015).

W. He, M. Leich, S. Grimm, J. Kobelke, Y. Zhu, H. Bartelt, and M. Jäger, “Very large mode area ytterbium fiber amplifier with aluminum-doped pump cladding made by powder sinter technology,” Laser Phys. Lett. 12, 015103 (2014).

K. Schuster, S. Unger, C. Aichele, F. Lindner, S. Grimm, D. Litzkendorf, J. Kobelke, J. Bierlich, K. Wondraczek, and H. Bartelt, “Material and technology trends in fiber optics,” Adv. Opt. Technol. 3, 447–468 (2014).

J. Kirchhof, S. Unger, A. Schwuchow, S. Grimm, and V. Reichel, “Materials for high-power fiber lasers,” J. Non-Cryst. Solids 352, 2399–2403 (2006).

Gur’yanov, A. N.

M. Y. Koptev, E. A. Anashkina, K. K. Bobkov, M. E. Likhachev, A. E. Levchenko, S. S. Aleshkina, S. L. Semjonov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Gur’yanov, A. V. Andrianov, S. V. Muravyev, and A. V. Kim, “Fibre amplifier based on an ytterbium-doped active tapered fibre for the generation of megawatt peak power ultrashort optical pulses,” Quantum Electron. 45, 443–450 (2015).

Guryanov, A. N.

K. K. Bobkov, M. Y. Koptev, A. E. Levchenko, S. S. Aleshkina, S. L. Semenov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Guryanov, E. A. Anashkina, S. V. Muravyev, A. V. Andrianov, A. V. Kim, and M. E. Likhachev, “MW peak power diffraction limited monolithic Yb-doped tapered fiber amplifier,” Proc. SPIE 10083, 1008309 (2017).

M. E. Likhachev, M. M. Bubnov, K. V. Zotov, D. S. Lipatov, M. V. Yashkov, and A. N. Guryanov, “Effect of the AlPO4 join on the pump-to-signal conversion efficiency in heavily Er-doped fibers,” Opt. Lett. 34(21), 3355–3357 (2009).
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Guzik, M.

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, and M. Guzik, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, M. Guzik, and G. Boulon, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

S. Wang, F. Lou, C. Yu, Q. Zhou, M. Wang, S. Feng, D. Chen, L. Hu, W. Chen, and M. Guzik, “Influence of Al3+ and P5+ ion contents on the valence state of Yb3+ ions and the dispersion effect of Al3+ and P5+ ions on Yb3+ ions in silica glass,” J. Mater. Chem. C Mater. Opt. Electron. Devices 2, 4406–4414 (2014).

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R. Paschotta, J. Nilsson, A. C. Tropper, and D. C. Hanna, “Ytterbium-doped fibre amplifiers,” IEEE J. Quantum Electron. 33, 1049–1056 (1997).

He, W.

W. He, M. Leich, S. Grimm, J. Kobelke, Y. Zhu, H. Bartelt, and M. Jäger, “Very large mode area ytterbium fiber amplifier with aluminum-doped pump cladding made by powder sinter technology,” Laser Phys. Lett. 12, 015103 (2014).

Hu, L.

S. Wang, W. Xu, F. Wang, F. Lou, L. Zhang, Q. Zhou, D. Chen, S. Feng, M. Wang, C. Yu, and L. Hu, “Yb3+-doped silica glass rod with high optical quality and low optical attenuation prepared by modified sol-gel technology for large mode area fiber,” Opt. Mater. Express 7, 2012 (2017).

W. Xu, Z. Lin, M. Wang, S. Feng, L. Zhang, Q. Zhou, D. Chen, L. Zhang, S. Wang, C. Yu, and L. Hu, “50 μm core diameter Yb3+Al3+/F− codoped silica fiber with M2<1.1 beam quality,” Opt. Lett. 41(3), 504–507 (2016).
[PubMed]

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, M. Guzik, and G. Boulon, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

W. Xu, J. Ren, C. Shao, X. Wang, M. Wang, L. Zhang, D. Chen, S. Wang, C. Yu, and L. Hu, “Effect of P5+ on spectroscopy and structure of Yb3+/Al3+/P5+ co-doped silica glass,” J. Lumin. 167, 8–15 (2015).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, and M. Guzik, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

S. Wang, F. Lou, C. Yu, Q. Zhou, M. Wang, S. Feng, D. Chen, L. Hu, W. Chen, and M. Guzik, “Influence of Al3+ and P5+ ion contents on the valence state of Yb3+ ions and the dispersion effect of Al3+ and P5+ ions on Yb3+ ions in silica glass,” J. Mater. Chem. C Mater. Opt. Electron. Devices 2, 4406–4414 (2014).

B. Yang, X. Liu, X. Wang, J. Zhang, L. Hu, and L. Zhang, “Compositional dependence of room-temperature Stark splitting of Yb3+ in several popular glass systems,” Opt. Lett. 39(7), 1772–1774 (2014).
[PubMed]

Ihalainen, H.

J. J. Koponen, L. C. Petit, T. Kokki, V. Aallos, J. Paul, and H. Ihalainen, “Progress in direct nanoparticle deposition for the development of the next generation fiber lasers,” Opt. Eng. 50, 1605 (2011).

Iliew, R.

Jäger, M.

W. He, M. Leich, S. Grimm, J. Kobelke, Y. Zhu, H. Bartelt, and M. Jäger, “Very large mode area ytterbium fiber amplifier with aluminum-doped pump cladding made by powder sinter technology,” Laser Phys. Lett. 12, 015103 (2014).

Jakobsen, C.

Jauregui, C.

C. Jauregui, J. Limpert, and A. Tünnermann, “High-power fibre lasers,” Nat. Photonics 7, 861–867 (2013).

Jetschke, S.

J. Kirchhof, S. Unger, A. Schwuchow, S. Jetschke, V. Reichel, M. Leich, and A. Scheffel, “The influence of Yb ions on optical properties and power stability of ytterbium-doped laser fibers,” Proc. SPIE 7598, 75980B (2010).

Jørgensen, M. M.

Kalide, A.

Khitrov, V.

V. Petit, R. P. Tumminelli, J. D. Minelly, and V. Khitrov, “Extremely low NA Yb doped preforms (<0.03) fabricated by MCVD,” Proc. SPIE 9728, 97282R (2016).

Kim, A. V.

K. K. Bobkov, M. Y. Koptev, A. E. Levchenko, S. S. Aleshkina, S. L. Semenov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Guryanov, E. A. Anashkina, S. V. Muravyev, A. V. Andrianov, A. V. Kim, and M. E. Likhachev, “MW peak power diffraction limited monolithic Yb-doped tapered fiber amplifier,” Proc. SPIE 10083, 1008309 (2017).

M. Y. Koptev, E. A. Anashkina, K. K. Bobkov, M. E. Likhachev, A. E. Levchenko, S. S. Aleshkina, S. L. Semjonov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Gur’yanov, A. V. Andrianov, S. V. Muravyev, and A. V. Kim, “Fibre amplifier based on an ytterbium-doped active tapered fibre for the generation of megawatt peak power ultrashort optical pulses,” Quantum Electron. 45, 443–450 (2015).

Kirchhof, J.

J. Kirchhof, S. Unger, A. Schwuchow, S. Jetschke, V. Reichel, M. Leich, and A. Scheffel, “The influence of Yb ions on optical properties and power stability of ytterbium-doped laser fibers,” Proc. SPIE 7598, 75980B (2010).

J. Kirchhof, S. Unger, A. Schwuchow, S. Grimm, and V. Reichel, “Materials for high-power fiber lasers,” J. Non-Cryst. Solids 352, 2399–2403 (2006).

Kobelke, J.

W. He, M. Leich, S. Grimm, J. Kobelke, Y. Zhu, H. Bartelt, and M. Jäger, “Very large mode area ytterbium fiber amplifier with aluminum-doped pump cladding made by powder sinter technology,” Laser Phys. Lett. 12, 015103 (2014).

K. Schuster, S. Unger, C. Aichele, F. Lindner, S. Grimm, D. Litzkendorf, J. Kobelke, J. Bierlich, K. Wondraczek, and H. Bartelt, “Material and technology trends in fiber optics,” Adv. Opt. Technol. 3, 447–468 (2014).

Kokki, T.

J. J. Koponen, L. C. Petit, T. Kokki, V. Aallos, J. Paul, and H. Ihalainen, “Progress in direct nanoparticle deposition for the development of the next generation fiber lasers,” Opt. Eng. 50, 1605 (2011).

Kometani, T. Y.

D. J. Digiovanni, J. B. Macchesney, and T. Y. Kometani, “Structure and properties of silica containing aluminum and phosphorus near the AlPO4 join,” J. Non-Cryst. Solids 113, 58–64 (1989).

D. J. DiGiovanni, J. B. MacChesney, and T. Y. Kometani, “Structure and properties of silica containing aluminum and phosphorus near the AlPO4 join,” J. Non-Cryst. Solids 113, 58–64 (1989).

Koponen, J. J.

J. J. Koponen, L. C. Petit, T. Kokki, V. Aallos, J. Paul, and H. Ihalainen, “Progress in direct nanoparticle deposition for the development of the next generation fiber lasers,” Opt. Eng. 50, 1605 (2011).

Koptev, M. Y.

K. K. Bobkov, M. Y. Koptev, A. E. Levchenko, S. S. Aleshkina, S. L. Semenov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Guryanov, E. A. Anashkina, S. V. Muravyev, A. V. Andrianov, A. V. Kim, and M. E. Likhachev, “MW peak power diffraction limited monolithic Yb-doped tapered fiber amplifier,” Proc. SPIE 10083, 1008309 (2017).

M. Y. Koptev, E. A. Anashkina, K. K. Bobkov, M. E. Likhachev, A. E. Levchenko, S. S. Aleshkina, S. L. Semjonov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Gur’yanov, A. V. Andrianov, S. V. Muravyev, and A. V. Kim, “Fibre amplifier based on an ytterbium-doped active tapered fibre for the generation of megawatt peak power ultrashort optical pulses,” Quantum Electron. 45, 443–450 (2015).

Langner, A.

Laptev, A. Y.

K. K. Bobkov, M. Y. Koptev, A. E. Levchenko, S. S. Aleshkina, S. L. Semenov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Guryanov, E. A. Anashkina, S. V. Muravyev, A. V. Andrianov, A. V. Kim, and M. E. Likhachev, “MW peak power diffraction limited monolithic Yb-doped tapered fiber amplifier,” Proc. SPIE 10083, 1008309 (2017).

M. Y. Koptev, E. A. Anashkina, K. K. Bobkov, M. E. Likhachev, A. E. Levchenko, S. S. Aleshkina, S. L. Semjonov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Gur’yanov, A. V. Andrianov, S. V. Muravyev, and A. V. Kim, “Fibre amplifier based on an ytterbium-doped active tapered fibre for the generation of megawatt peak power ultrashort optical pulses,” Quantum Electron. 45, 443–450 (2015).

Lederer, F.

Leich, M.

K. Schuster, S. Grimm, A. Kalide, J. Dellith, M. Leich, A. Schwuchow, A. Langner, G. Schötz, and H. Bartelt, “Evolution of fluorine doping following the REPUSIL process for the adjustment of optical properties of silica materials,” Opt. Mater. Express 5, 887–897 (2015).

W. He, M. Leich, S. Grimm, J. Kobelke, Y. Zhu, H. Bartelt, and M. Jäger, “Very large mode area ytterbium fiber amplifier with aluminum-doped pump cladding made by powder sinter technology,” Laser Phys. Lett. 12, 015103 (2014).

J. Kirchhof, S. Unger, A. Schwuchow, S. Jetschke, V. Reichel, M. Leich, and A. Scheffel, “The influence of Yb ions on optical properties and power stability of ytterbium-doped laser fibers,” Proc. SPIE 7598, 75980B (2010).

Leick, L.

Levchenko, A. E.

K. K. Bobkov, M. Y. Koptev, A. E. Levchenko, S. S. Aleshkina, S. L. Semenov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Guryanov, E. A. Anashkina, S. V. Muravyev, A. V. Andrianov, A. V. Kim, and M. E. Likhachev, “MW peak power diffraction limited monolithic Yb-doped tapered fiber amplifier,” Proc. SPIE 10083, 1008309 (2017).

M. Y. Koptev, E. A. Anashkina, K. K. Bobkov, M. E. Likhachev, A. E. Levchenko, S. S. Aleshkina, S. L. Semjonov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Gur’yanov, A. V. Andrianov, S. V. Muravyev, and A. V. Kim, “Fibre amplifier based on an ytterbium-doped active tapered fibre for the generation of megawatt peak power ultrashort optical pulses,” Quantum Electron. 45, 443–450 (2015).

Li, Q.

Z. Wang, Q. Li, Z. Wang, F. Zou, Y. Bai, S. Feng, and J. Zhou, “255 W picosecond MOPA laser based on self-made Yb-doped very-large-mode-area photonic crystal fiber,” Chin. Opt. Lett. 14, 54–57 (2016).

Liem, A.

Likhachev, M. E.

K. K. Bobkov, M. Y. Koptev, A. E. Levchenko, S. S. Aleshkina, S. L. Semenov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Guryanov, E. A. Anashkina, S. V. Muravyev, A. V. Andrianov, A. V. Kim, and M. E. Likhachev, “MW peak power diffraction limited monolithic Yb-doped tapered fiber amplifier,” Proc. SPIE 10083, 1008309 (2017).

M. Y. Koptev, E. A. Anashkina, K. K. Bobkov, M. E. Likhachev, A. E. Levchenko, S. S. Aleshkina, S. L. Semjonov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Gur’yanov, A. V. Andrianov, S. V. Muravyev, and A. V. Kim, “Fibre amplifier based on an ytterbium-doped active tapered fibre for the generation of megawatt peak power ultrashort optical pulses,” Quantum Electron. 45, 443–450 (2015).

M. E. Likhachev, M. M. Bubnov, K. V. Zotov, D. S. Lipatov, M. V. Yashkov, and A. N. Guryanov, “Effect of the AlPO4 join on the pump-to-signal conversion efficiency in heavily Er-doped fibers,” Opt. Lett. 34(21), 3355–3357 (2009).
[PubMed]

Limpert, J.

Lin, Z.

Lindner, F.

K. Schuster, S. Unger, C. Aichele, F. Lindner, S. Grimm, D. Litzkendorf, J. Kobelke, J. Bierlich, K. Wondraczek, and H. Bartelt, “Material and technology trends in fiber optics,” Adv. Opt. Technol. 3, 447–468 (2014).

Lipatov, D. S.

K. K. Bobkov, M. Y. Koptev, A. E. Levchenko, S. S. Aleshkina, S. L. Semenov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Guryanov, E. A. Anashkina, S. V. Muravyev, A. V. Andrianov, A. V. Kim, and M. E. Likhachev, “MW peak power diffraction limited monolithic Yb-doped tapered fiber amplifier,” Proc. SPIE 10083, 1008309 (2017).

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[PubMed]

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K. Schuster, S. Unger, C. Aichele, F. Lindner, S. Grimm, D. Litzkendorf, J. Kobelke, J. Bierlich, K. Wondraczek, and H. Bartelt, “Material and technology trends in fiber optics,” Adv. Opt. Technol. 3, 447–468 (2014).

Liu, X.

Lou, F.

S. Wang, W. Xu, F. Wang, F. Lou, L. Zhang, Q. Zhou, D. Chen, S. Feng, M. Wang, C. Yu, and L. Hu, “Yb3+-doped silica glass rod with high optical quality and low optical attenuation prepared by modified sol-gel technology for large mode area fiber,” Opt. Mater. Express 7, 2012 (2017).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, and M. Guzik, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, M. Guzik, and G. Boulon, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

S. Wang, F. Lou, C. Yu, Q. Zhou, M. Wang, S. Feng, D. Chen, L. Hu, W. Chen, and M. Guzik, “Influence of Al3+ and P5+ ion contents on the valence state of Yb3+ ions and the dispersion effect of Al3+ and P5+ ions on Yb3+ ions in silica glass,” J. Mater. Chem. C Mater. Opt. Electron. Devices 2, 4406–4414 (2014).

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Muravyev, S. V.

K. K. Bobkov, M. Y. Koptev, A. E. Levchenko, S. S. Aleshkina, S. L. Semenov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Guryanov, E. A. Anashkina, S. V. Muravyev, A. V. Andrianov, A. V. Kim, and M. E. Likhachev, “MW peak power diffraction limited monolithic Yb-doped tapered fiber amplifier,” Proc. SPIE 10083, 1008309 (2017).

M. Y. Koptev, E. A. Anashkina, K. K. Bobkov, M. E. Likhachev, A. E. Levchenko, S. S. Aleshkina, S. L. Semjonov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Gur’yanov, A. V. Andrianov, S. V. Muravyev, and A. V. Kim, “Fibre amplifier based on an ytterbium-doped active tapered fibre for the generation of megawatt peak power ultrashort optical pulses,” Quantum Electron. 45, 443–450 (2015).

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U. Pedrazza, V. Romano, and W. Lüthy, “Yb3+:Al3+:sol-gel silica glass fiber laser,” Opt. Mater. 29, 905–907 (2007).

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Petit, V.

V. Petit, R. P. Tumminelli, J. D. Minelly, and V. Khitrov, “Extremely low NA Yb doped preforms (<0.03) fabricated by MCVD,” Proc. SPIE 9728, 97282R (2016).

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Y. Qiao, N. Da, D. Chen, Q. Zhou, J. Qiu, and T. Akai, “Spectroscopic properties of neodymium doped high silica glass and aluminum codoping effects on the enhancement of fluorescence emission,” Appl. Phys. B 87, 717–722 (2007).

Qiu, J.

Y. Qiao, N. Da, D. Chen, Q. Zhou, J. Qiu, and T. Akai, “Spectroscopic properties of neodymium doped high silica glass and aluminum codoping effects on the enhancement of fluorescence emission,” Appl. Phys. B 87, 717–722 (2007).

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J. Kirchhof, S. Unger, A. Schwuchow, S. Jetschke, V. Reichel, M. Leich, and A. Scheffel, “The influence of Yb ions on optical properties and power stability of ytterbium-doped laser fibers,” Proc. SPIE 7598, 75980B (2010).

J. Kirchhof, S. Unger, A. Schwuchow, S. Grimm, and V. Reichel, “Materials for high-power fiber lasers,” J. Non-Cryst. Solids 352, 2399–2403 (2006).

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W. Xu, J. Ren, C. Shao, X. Wang, M. Wang, L. Zhang, D. Chen, S. Wang, C. Yu, and L. Hu, “Effect of P5+ on spectroscopy and structure of Yb3+/Al3+/P5+ co-doped silica glass,” J. Lumin. 167, 8–15 (2015).

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U. Pedrazza, V. Romano, and W. Lüthy, “Yb3+:Al3+:sol-gel silica glass fiber laser,” Opt. Mater. 29, 905–907 (2007).

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Scheffel, A.

J. Kirchhof, S. Unger, A. Schwuchow, S. Jetschke, V. Reichel, M. Leich, and A. Scheffel, “The influence of Yb ions on optical properties and power stability of ytterbium-doped laser fibers,” Proc. SPIE 7598, 75980B (2010).

Schmidt, M. A.

G. Gao, A. Winterstein-Beckmann, O. Surzhenko, C. Dubs, J. Dellith, M. A. Schmidt, and L. Wondraczek, “Faraday rotation and photoluminescence in heavily Tb3+-doped GeO2-B2O3-Al2O3-Ga2O3 glasses for fiber-integrated magneto-optics,” Sci. Rep. 5, 8942 (2015).
[PubMed]

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K. Schuster, S. Unger, C. Aichele, F. Lindner, S. Grimm, D. Litzkendorf, J. Kobelke, J. Bierlich, K. Wondraczek, and H. Bartelt, “Material and technology trends in fiber optics,” Adv. Opt. Technol. 3, 447–468 (2014).

Schwuchow, A.

K. Schuster, S. Grimm, A. Kalide, J. Dellith, M. Leich, A. Schwuchow, A. Langner, G. Schötz, and H. Bartelt, “Evolution of fluorine doping following the REPUSIL process for the adjustment of optical properties of silica materials,” Opt. Mater. Express 5, 887–897 (2015).

J. Kirchhof, S. Unger, A. Schwuchow, S. Jetschke, V. Reichel, M. Leich, and A. Scheffel, “The influence of Yb ions on optical properties and power stability of ytterbium-doped laser fibers,” Proc. SPIE 7598, 75980B (2010).

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Semenov, S. L.

K. K. Bobkov, M. Y. Koptev, A. E. Levchenko, S. S. Aleshkina, S. L. Semenov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Guryanov, E. A. Anashkina, S. V. Muravyev, A. V. Andrianov, A. V. Kim, and M. E. Likhachev, “MW peak power diffraction limited monolithic Yb-doped tapered fiber amplifier,” Proc. SPIE 10083, 1008309 (2017).

Semjonov, S. L.

M. Y. Koptev, E. A. Anashkina, K. K. Bobkov, M. E. Likhachev, A. E. Levchenko, S. S. Aleshkina, S. L. Semjonov, A. N. Denisov, M. M. Bubnov, D. S. Lipatov, A. Y. Laptev, A. N. Gur’yanov, A. V. Andrianov, S. V. Muravyev, and A. V. Kim, “Fibre amplifier based on an ytterbium-doped active tapered fibre for the generation of megawatt peak power ultrashort optical pulses,” Quantum Electron. 45, 443–450 (2015).

Shao, C.

W. Xu, J. Ren, C. Shao, X. Wang, M. Wang, L. Zhang, D. Chen, S. Wang, C. Yu, and L. Hu, “Effect of P5+ on spectroscopy and structure of Yb3+/Al3+/P5+ co-doped silica glass,” J. Lumin. 167, 8–15 (2015).

Surzhenko, O.

G. Gao, A. Winterstein-Beckmann, O. Surzhenko, C. Dubs, J. Dellith, M. A. Schmidt, and L. Wondraczek, “Faraday rotation and photoluminescence in heavily Tb3+-doped GeO2-B2O3-Al2O3-Ga2O3 glasses for fiber-integrated magneto-optics,” Sci. Rep. 5, 8942 (2015).
[PubMed]

Tropper, A. C.

R. Paschotta, J. Nilsson, A. C. Tropper, and D. C. Hanna, “Ytterbium-doped fibre amplifiers,” IEEE J. Quantum Electron. 33, 1049–1056 (1997).

Tumminelli, R. P.

V. Petit, R. P. Tumminelli, J. D. Minelly, and V. Khitrov, “Extremely low NA Yb doped preforms (<0.03) fabricated by MCVD,” Proc. SPIE 9728, 97282R (2016).

Tunnermann, T.

Tünnermann, A.

Unger, S.

K. Schuster, S. Unger, C. Aichele, F. Lindner, S. Grimm, D. Litzkendorf, J. Kobelke, J. Bierlich, K. Wondraczek, and H. Bartelt, “Material and technology trends in fiber optics,” Adv. Opt. Technol. 3, 447–468 (2014).

J. Kirchhof, S. Unger, A. Schwuchow, S. Jetschke, V. Reichel, M. Leich, and A. Scheffel, “The influence of Yb ions on optical properties and power stability of ytterbium-doped laser fibers,” Proc. SPIE 7598, 75980B (2010).

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Vanvincq, O.

Vienne, G.

Wang, F.

Wang, M.

S. Wang, W. Xu, F. Wang, F. Lou, L. Zhang, Q. Zhou, D. Chen, S. Feng, M. Wang, C. Yu, and L. Hu, “Yb3+-doped silica glass rod with high optical quality and low optical attenuation prepared by modified sol-gel technology for large mode area fiber,” Opt. Mater. Express 7, 2012 (2017).

W. Xu, Z. Lin, M. Wang, S. Feng, L. Zhang, Q. Zhou, D. Chen, L. Zhang, S. Wang, C. Yu, and L. Hu, “50 μm core diameter Yb3+Al3+/F− codoped silica fiber with M2<1.1 beam quality,” Opt. Lett. 41(3), 504–507 (2016).
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W. Xu, M. Wang, S. Feng, and L. Zhang, “Fabrication and Laser Amplification Behavior of Yb3+/Al3+ Co-Doped Photonic Crystal Fiber,” IEEE Photonics Technol. Lett. 28, 391–393 (2016).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, M. Guzik, and G. Boulon, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

W. Xu, J. Ren, C. Shao, X. Wang, M. Wang, L. Zhang, D. Chen, S. Wang, C. Yu, and L. Hu, “Effect of P5+ on spectroscopy and structure of Yb3+/Al3+/P5+ co-doped silica glass,” J. Lumin. 167, 8–15 (2015).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, and M. Guzik, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

S. Wang, F. Lou, C. Yu, Q. Zhou, M. Wang, S. Feng, D. Chen, L. Hu, W. Chen, and M. Guzik, “Influence of Al3+ and P5+ ion contents on the valence state of Yb3+ ions and the dispersion effect of Al3+ and P5+ ions on Yb3+ ions in silica glass,” J. Mater. Chem. C Mater. Opt. Electron. Devices 2, 4406–4414 (2014).

Wang, S.

S. Wang, W. Xu, F. Wang, F. Lou, L. Zhang, Q. Zhou, D. Chen, S. Feng, M. Wang, C. Yu, and L. Hu, “Yb3+-doped silica glass rod with high optical quality and low optical attenuation prepared by modified sol-gel technology for large mode area fiber,” Opt. Mater. Express 7, 2012 (2017).

W. Xu, Z. Lin, M. Wang, S. Feng, L. Zhang, Q. Zhou, D. Chen, L. Zhang, S. Wang, C. Yu, and L. Hu, “50 μm core diameter Yb3+Al3+/F− codoped silica fiber with M2<1.1 beam quality,” Opt. Lett. 41(3), 504–507 (2016).
[PubMed]

W. Xu, J. Ren, C. Shao, X. Wang, M. Wang, L. Zhang, D. Chen, S. Wang, C. Yu, and L. Hu, “Effect of P5+ on spectroscopy and structure of Yb3+/Al3+/P5+ co-doped silica glass,” J. Lumin. 167, 8–15 (2015).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, M. Guzik, and G. Boulon, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, and M. Guzik, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

S. Wang, F. Lou, C. Yu, Q. Zhou, M. Wang, S. Feng, D. Chen, L. Hu, W. Chen, and M. Guzik, “Influence of Al3+ and P5+ ion contents on the valence state of Yb3+ ions and the dispersion effect of Al3+ and P5+ ions on Yb3+ ions in silica glass,” J. Mater. Chem. C Mater. Opt. Electron. Devices 2, 4406–4414 (2014).

Wang, X.

W. Xu, J. Ren, C. Shao, X. Wang, M. Wang, L. Zhang, D. Chen, S. Wang, C. Yu, and L. Hu, “Effect of P5+ on spectroscopy and structure of Yb3+/Al3+/P5+ co-doped silica glass,” J. Lumin. 167, 8–15 (2015).

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Z. Wang, Q. Li, Z. Wang, F. Zou, Y. Bai, S. Feng, and J. Zhou, “255 W picosecond MOPA laser based on self-made Yb-doped very-large-mode-area photonic crystal fiber,” Chin. Opt. Lett. 14, 54–57 (2016).

Winterstein-Beckmann, A.

G. Gao, A. Winterstein-Beckmann, O. Surzhenko, C. Dubs, J. Dellith, M. A. Schmidt, and L. Wondraczek, “Faraday rotation and photoluminescence in heavily Tb3+-doped GeO2-B2O3-Al2O3-Ga2O3 glasses for fiber-integrated magneto-optics,” Sci. Rep. 5, 8942 (2015).
[PubMed]

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K. Schuster, S. Unger, C. Aichele, F. Lindner, S. Grimm, D. Litzkendorf, J. Kobelke, J. Bierlich, K. Wondraczek, and H. Bartelt, “Material and technology trends in fiber optics,” Adv. Opt. Technol. 3, 447–468 (2014).

Wondraczek, L.

G. Gao, A. Winterstein-Beckmann, O. Surzhenko, C. Dubs, J. Dellith, M. A. Schmidt, and L. Wondraczek, “Faraday rotation and photoluminescence in heavily Tb3+-doped GeO2-B2O3-Al2O3-Ga2O3 glasses for fiber-integrated magneto-optics,” Sci. Rep. 5, 8942 (2015).
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[PubMed]

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S. Wang, W. Xu, F. Wang, F. Lou, L. Zhang, Q. Zhou, D. Chen, S. Feng, M. Wang, C. Yu, and L. Hu, “Yb3+-doped silica glass rod with high optical quality and low optical attenuation prepared by modified sol-gel technology for large mode area fiber,” Opt. Mater. Express 7, 2012 (2017).

W. Xu, Z. Lin, M. Wang, S. Feng, L. Zhang, Q. Zhou, D. Chen, L. Zhang, S. Wang, C. Yu, and L. Hu, “50 μm core diameter Yb3+Al3+/F− codoped silica fiber with M2<1.1 beam quality,” Opt. Lett. 41(3), 504–507 (2016).
[PubMed]

W. Xu, M. Wang, S. Feng, and L. Zhang, “Fabrication and Laser Amplification Behavior of Yb3+/Al3+ Co-Doped Photonic Crystal Fiber,” IEEE Photonics Technol. Lett. 28, 391–393 (2016).

W. Xu, J. Ren, C. Shao, X. Wang, M. Wang, L. Zhang, D. Chen, S. Wang, C. Yu, and L. Hu, “Effect of P5+ on spectroscopy and structure of Yb3+/Al3+/P5+ co-doped silica glass,” J. Lumin. 167, 8–15 (2015).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, M. Guzik, and G. Boulon, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, and M. Guzik, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

Yang, B.

Yashkov, M. V.

Yu, C.

S. Wang, W. Xu, F. Wang, F. Lou, L. Zhang, Q. Zhou, D. Chen, S. Feng, M. Wang, C. Yu, and L. Hu, “Yb3+-doped silica glass rod with high optical quality and low optical attenuation prepared by modified sol-gel technology for large mode area fiber,” Opt. Mater. Express 7, 2012 (2017).

W. Xu, Z. Lin, M. Wang, S. Feng, L. Zhang, Q. Zhou, D. Chen, L. Zhang, S. Wang, C. Yu, and L. Hu, “50 μm core diameter Yb3+Al3+/F− codoped silica fiber with M2<1.1 beam quality,” Opt. Lett. 41(3), 504–507 (2016).
[PubMed]

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, and M. Guzik, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, M. Guzik, and G. Boulon, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

W. Xu, J. Ren, C. Shao, X. Wang, M. Wang, L. Zhang, D. Chen, S. Wang, C. Yu, and L. Hu, “Effect of P5+ on spectroscopy and structure of Yb3+/Al3+/P5+ co-doped silica glass,” J. Lumin. 167, 8–15 (2015).

S. Wang, F. Lou, C. Yu, Q. Zhou, M. Wang, S. Feng, D. Chen, L. Hu, W. Chen, and M. Guzik, “Influence of Al3+ and P5+ ion contents on the valence state of Yb3+ ions and the dispersion effect of Al3+ and P5+ ions on Yb3+ ions in silica glass,” J. Mater. Chem. C Mater. Opt. Electron. Devices 2, 4406–4414 (2014).

Zellmer, H.

Zhang, J.

Zhang, L.

Zhou, J.

Z. Wang, Q. Li, Z. Wang, F. Zou, Y. Bai, S. Feng, and J. Zhou, “255 W picosecond MOPA laser based on self-made Yb-doped very-large-mode-area photonic crystal fiber,” Chin. Opt. Lett. 14, 54–57 (2016).

Zhou, Q.

S. Wang, W. Xu, F. Wang, F. Lou, L. Zhang, Q. Zhou, D. Chen, S. Feng, M. Wang, C. Yu, and L. Hu, “Yb3+-doped silica glass rod with high optical quality and low optical attenuation prepared by modified sol-gel technology for large mode area fiber,” Opt. Mater. Express 7, 2012 (2017).

W. Xu, Z. Lin, M. Wang, S. Feng, L. Zhang, Q. Zhou, D. Chen, L. Zhang, S. Wang, C. Yu, and L. Hu, “50 μm core diameter Yb3+Al3+/F− codoped silica fiber with M2<1.1 beam quality,” Opt. Lett. 41(3), 504–507 (2016).
[PubMed]

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, M. Guzik, and G. Boulon, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

W. Xu, C. Yu, S. Wang, F. Lou, S. Feng, M. Wang, Q. Zhou, D. Chen, L. Hu, and M. Guzik, “Effects of F− on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass,” Opt. Mater. 42, 245–250 (2015).

S. Wang, F. Lou, C. Yu, Q. Zhou, M. Wang, S. Feng, D. Chen, L. Hu, W. Chen, and M. Guzik, “Influence of Al3+ and P5+ ion contents on the valence state of Yb3+ ions and the dispersion effect of Al3+ and P5+ ions on Yb3+ ions in silica glass,” J. Mater. Chem. C Mater. Opt. Electron. Devices 2, 4406–4414 (2014).

Y. Qiao, N. Da, D. Chen, Q. Zhou, J. Qiu, and T. Akai, “Spectroscopic properties of neodymium doped high silica glass and aluminum codoping effects on the enhancement of fluorescence emission,” Appl. Phys. B 87, 717–722 (2007).

Zhu, Y.

W. He, M. Leich, S. Grimm, J. Kobelke, Y. Zhu, H. Bartelt, and M. Jäger, “Very large mode area ytterbium fiber amplifier with aluminum-doped pump cladding made by powder sinter technology,” Laser Phys. Lett. 12, 015103 (2014).

Zotov, K. V.

Zou, F.

Z. Wang, Q. Li, Z. Wang, F. Zou, Y. Bai, S. Feng, and J. Zhou, “255 W picosecond MOPA laser based on self-made Yb-doped very-large-mode-area photonic crystal fiber,” Chin. Opt. Lett. 14, 54–57 (2016).

Adv. Opt. Technol. (1)

K. Schuster, S. Unger, C. Aichele, F. Lindner, S. Grimm, D. Litzkendorf, J. Kobelke, J. Bierlich, K. Wondraczek, and H. Bartelt, “Material and technology trends in fiber optics,” Adv. Opt. Technol. 3, 447–468 (2014).

Appl. Phys. B (1)

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Figures (4)

Fig. 1
Fig. 1 The fabrication process of Yb3+-doped silica-core glass rod and LMA PCF.
Fig. 2
Fig. 2 (a) Radial RI profiles and (b) pictures of silica glass rods. (c) RI profile of YAFP2 glass rod at different axial positions with an image of the prepared glass illuminated by a green laser pointer (inset) and (d) Variation of RI difference along the length of glass rod. (e) EPMA radial line scan analysis of core-glass slices: Yb, Al, P, and F radial line distributions and (f) EPMA map (30 μm × 30 μm) of Yb distribution in core of PCF described herein.
Fig. 3
Fig. 3 (a) Absorption and (b) normalized emission spectra of Yb3+ for YA, YAF and YAFP1 glass samples. (c) Schematic manifolds energy diagram of Yb3+ ion derived from the Lorenz fitting of the absorption and emission spectrum of Yb3+. (d) Absorption and emission cross-section and lifetime of glass samples. (e) Absorption and (f) fluorescence spectra of Yb2+ in YA, YAF and YAFP1 glass samples.
Fig. 4
Fig. 4 (a) Micrograph of LMA PCF cross section. (b) Experimental setup of a master oscillator power amplifier system. (c) The output laser spectrum with pumping power of 150 W. (d) Measured amplified output power as a function of pump power. Inset: laser beam profile in the far field.

Tables (3)

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Table 1 Nominal compositions of glass samples

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Table 2 The Δn, corresponding core numerical apertures and tested F content in glass samples

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Table 3 Comparisons of fluorescence lifetimes (τ) at 1030 nm, absorption cross-sections at 975 nm (σabs), emission cross-sections at 1030 nm (σem), and optical gain parameter (σem*τ) at 1030 nm in Yb3+ doped silica-core glass.

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