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Volume 29 Issue 5
Sep.  2013
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Measurement for net gain of Er-doped/Yb:Er-codoped silicate glass with high-concentrations

  • Received Date: 2004-07-29
    Accepted Date: 2004-10-28
  • The relationship between the net gain of two kinds of glass with high dopant concentrations and pumping power,thread lengths is measured at room temperature.The results show that,under 100mW pumping power,the net gain of Er-doped glass thread with 0.19g/cm3 concentration is 1.96dB/cm,its threshold pumping power is 36mW and optimum length is 4.5cm.The net gain of Yb:Er-codoped glass thread with 1.1g/cm3 Yb-concentration and 0.12g/cm3 Er-concentration is 3.07dB/cm,its threshold pumping power is 28mW and optimum length is 2.5cm.That is,10dB total net gain can be obtained within 10cm length.The net gain of Yb:Er-codoped glass threads don't take on the trend of saturation when pumping power becomes stronger.It means that more sensitive ytterbium improves the net gain characteristics of the Er-doped fiber amplifiers.
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  • [1]

    LAMING R L,ZERVAS M N.Erbium-doped fiber amplifier with 54 dB gain and 3.1dB noise figure[J].IEEE Photon Technol Lett,1992,4(12):1345~1347.
    [2] 李成仁,宋昌烈,李淑凤 et al.掺铒玻璃样品的荧光谱测量[J].光电子·激光,2002,13(12):1267~1271.

    [3] 饶文雄,宋昌烈,李成仁 et al.镱铒共掺杂玻璃样品的荧光谱特性[J].光电子·激光,2003,14(4):380~382.

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    PASQUALE F D,FEDERIGHI M.Modeling of uniform and pair-induced upconversion mechanisms in high concentration erbium-doped silica waveguides[J].IEEE J Lightwave Technol,1995,13(9):1858~1864.
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    Van Den HOVEN G N,SNOEKS E,POLMAN A et al.Upconversion in Er-implanted Al2O3 wave guides[J].J A P,1996,79(3):1258~1265.
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    SHOOSHTARI A,TOUAM T,NAJFI S I et al.Yb3+ sensitized Er3+-doped waveguide amplifiers:a theoretical approach[J].Opt Quant Electron,1998,30(4):249~264.
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    MAURICE E,MONNOM G,DUSSARDIER B et al.Clustering effects on double energy transfer in heavily ytterbium-erbium-codoped silica fibers[J].J O S A.1996,B13(4):693~698.
    [8] 柳祝平,胡丽丽,戴世勋 et al.LD泵浦的Er3+、Yb3+共掺磷酸盐铒玻璃激光性质[J].发光学报,2002,23(3):238~242.

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通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Measurement for net gain of Er-doped/Yb:Er-codoped silicate glass with high-concentrations

  • 1. Department of Physics, Liaoning Normal University, Dalian 116029, China;
  • 2. Department of Physics, Dalian University of Technology, Dalian 116024, China

Abstract: The relationship between the net gain of two kinds of glass with high dopant concentrations and pumping power,thread lengths is measured at room temperature.The results show that,under 100mW pumping power,the net gain of Er-doped glass thread with 0.19g/cm3 concentration is 1.96dB/cm,its threshold pumping power is 36mW and optimum length is 4.5cm.The net gain of Yb:Er-codoped glass thread with 1.1g/cm3 Yb-concentration and 0.12g/cm3 Er-concentration is 3.07dB/cm,its threshold pumping power is 28mW and optimum length is 2.5cm.That is,10dB total net gain can be obtained within 10cm length.The net gain of Yb:Er-codoped glass threads don't take on the trend of saturation when pumping power becomes stronger.It means that more sensitive ytterbium improves the net gain characteristics of the Er-doped fiber amplifiers.

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