Composite laser fiber with Yb, Er co-doped phosphate glass core and silica cladding

Denker, B. I.; Galagan, B. I.; Kamynin, V. A.; Kurkov, Andrei S; Sadovnikova, Ya.E.; Semenov, S. G.; Sverchkov, S. E.; Velmiskin, Vladimir V.; Dianov, Evgenii M

doi:10.1088/1612-2011/10/5/055109

Cited by 17 publications

(8 citation statements)

References 6 publications

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“…The phosphate glass composed of P 2 O 5 , Al 2 O 3 , MgO, etc. has been proved to be an ideal host family for the doping of erbium ions with high concentration [7,8].…”

Section: Introductionmentioning

confidence: 99%

Optical ridge waveguides in Er3+/Yb3+ co-doped phosphate glass produced by ion irradiation combined with femtosecond laser ablation for guided-wave green and red upconversion emissions

Chen

Tan

et al. 2016

Optical Materials

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This work reports on the fabrication of ridge waveguides in Er 3+ /Yb 3+ co-doped phosphate glass by the combination of femtosecond laser ablation and following swift carbon ion irradiation. The guiding properties of waveguides have been investigated at 633 and 1064 nm through end face coupling arrangement. The refractive index profile on the cross section of the waveguide has been constructed. The propagation losses can be reduced considerably after annealing treatment. Under the optical pump laser at 980 nm, the upconversion emission of both green and red fluorescence has been realized through the ridge waveguide structures.

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“…The phosphate glass composed of P 2 O 5 , Al 2 O 3 , MgO, etc. has been proved to be an ideal host family for the doping of erbium ions with high concentration [7,8].…”

Section: Introductionmentioning

confidence: 99%

Optical ridge waveguides in Er3+/Yb3+ co-doped phosphate glass produced by ion irradiation combined with femtosecond laser ablation for guided-wave green and red upconversion emissions

Chen

Tan

et al. 2016

Optical Materials

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“…There are two ways to enhance the PAE: increasing the doping level fiber core and making the inner cladding noncircular to depress the spiral light [3]. On one hand, to realize the first method, the soft glasses with much higher rare earth solubility than silica, such as silicate glass [4], phosphate glass [5,6], germanium glass [7], and fluoride glass [8], might be ideal candidates as the fiber matrix. In addition, adjusting the refractivity of soft glasses is much easier than silica glass [9], making it possible to acquire a much smaller numerical aperture (NA) and thus much larger single-mode core.…”

Section: Introductionmentioning

confidence: 99%

Yb–Er co-doped phosphate fiber with hexagonal inner cladding

Lei

Wang

et al. 2016

Appl. Phys. B

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drawbacks. Drilling is time-consuming and short-length limited. Extruding method is only feasible for glasses with low softening temperature and is high cost because the dies used to acquire the certain shape are easily destroyed by the high temperature and high pressure imposed by the extruding instrument. Casting technique is also complicated in manufacturing process, and the acquired glasses are inhomogeneous. By comparison, the stack-and-draw method might be an alternative way to reduce the symmetry of the fiber's inner cladding. In the first place, acquiring an asymmetrical inner cladding such as rectangle, hexagon, and D shape is easy by stack-and-draw method [13,14]. On the other hand, this method is economic and is feasible for all types of glasses.In this paper, an Yb-Er co-doped phosphate doubleclad fiber with hexagonal inner cladding was fabricated with stack-and-draw method. The concentration of the Yb and Er ions is 6 and 0.5 wt%, respectively. Output power of 4.9 W was extracted from a 55-cm-long fiber with 30 % slope efficiency.The compositions of the undoped outer cladding glass G2, inner cladding glass G1 and Er-Yb co-doped core glass G0 are 2 O 3 , respectively. The concentration of the Yb and Er ions is 6 and 0.5 wt%, respectively. The measured refractive indices of the undoped outer cladding glasses G2, inner cladding glasses G1, and Er-Yb co-doped core glasses G0 are 1.5133, 1.5378, and 1.5398 at 1.55 µm, respectively, measured by the V-prism method with accuracy of 5 × 10 −5 . The luminescence spectrum and luminescence decay of G0 are shown in Figs. 1 and 2. The life time at 1535 nm is measured to be 8.2 ms. Stack-and-draw method was used to prepare the fiber preform which was then fed into the Abstract An Yb-Er co-doped phosphate glass doubleclad fiber with hexagonal inner cladding was fabricated by stack-and-draw method. Output power of 4.9 W was extracted with slope efficiency of 30 % from the fiber with 55 cm in length.

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“…В Институте общей физики РАН совместно с Научным центром волоконной оптики РАН были разработаны высоколегированные Er 3+ /Yb 3+ композитные волокна с фосфатной сердцевиной и кварцевой оболочкой, позволяющие одновременно использовать преимущества оптических свойств фосфатной усиливающей среды и высокие механи-ческие и химические свойства кварцевых оптических волокон [9,20]. Целью настоящей работы стало описание создания и исследова-ния цельноволоконного компактного широкополосного волоконного источника излучения на основе композитного волокна с фосфатной сердцевиной и кварцевой оболочкой.…”

Section: Introductionunclassified

Cladding-Pumped Broadband High-Concentration Er3+/Yb3+-Codoped Composite Optical Fiber Ir-Light Source

Galagan¹,

Denker²,

Egorova³

et al. 2016

Aph

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Composite laser fiber with Yb, Er co-doped phosphate glass core and silica cladding

Cited by 17 publications

References 6 publications

Optical ridge waveguides in Er3+/Yb3+ co-doped phosphate glass produced by ion irradiation combined with femtosecond laser ablation for guided-wave green and red upconversion emissions

Optical ridge waveguides in Er3+/Yb3+ co-doped phosphate glass produced by ion irradiation combined with femtosecond laser ablation for guided-wave green and red upconversion emissions

Yb–Er co-doped phosphate fiber with hexagonal inner cladding

Cladding-Pumped Broadband High-Concentration Er3+/Yb3+-Codoped Composite Optical Fiber Ir-Light Source

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