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Volume 26 Issue 2
Sep.  2013
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Citation:
shu

Experimental study on long period fiber grating applied in two channel wavelength division demultiplexer

  • 1.

    Institute of Automatic Detection, Shanghai Jiaotong University, Shanghai, 200030;

  • 2.

    State Key Laboratory on Local Fiber Communication Networks and Advanced Optical Fiber Communication Systems, Shanghai Jiaotong University, Shanghai, 200030

  • Received Date: 2001-03-08
    Accepted Date: 2001-05-28
  • A long period fiber grating(LPFG) is a wavelength seletive filter developed in recent years.According to its behavior of wavelength dependent loss,a LPFG is used as wavelength division demultiplexer for 1310nm/1550nm wavelength division multiplexing(WDM) system.By means of groove curving with electric arc discharge,several LPFGs are fabricated.Ideal spectra of LPFGs are obtained by controlling the process of electric arc discharge and the period and the length of LPFGs.The results show that insertion loss of pass channel is able to be less than 0.5dB,20dB loss bandwidth of rejection band is nearly 15nm,and that isolation of neighboring channel is about 25dB.
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    [3] 何万迅,施文康,叶爱伦.光学精密工程,2001,9(2):104～108.
    [4] 何万迅,施文康,叶爱伦.光学技术,2001,27(5):396～400.
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    Kosinski S G,Vengsarkar A M.Splicer-based long-period fiber gratings,in OFC'98 Tech Dig,1998:278～279.
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    Narayanan C,Presby H M,Vengsarkar A M.Electron Lett,1997,33(4):280～281.
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Experimental study on long period fiber grating applied in two channel wavelength division demultiplexer

  • 1. Institute of Automatic Detection, Shanghai Jiaotong University, Shanghai, 200030;
  • 2. State Key Laboratory on Local Fiber Communication Networks and Advanced Optical Fiber Communication Systems, Shanghai Jiaotong University, Shanghai, 200030
  • Received Date: 2001-03-08
  • Accepted Date: 2001-05-28
  • Available Online: 2002-03-25

Abstract: A long period fiber grating(LPFG) is a wavelength seletive filter developed in recent years.According to its behavior of wavelength dependent loss,a LPFG is used as wavelength division demultiplexer for 1310nm/1550nm wavelength division multiplexing(WDM) system.By means of groove curving with electric arc discharge,several LPFGs are fabricated.Ideal spectra of LPFGs are obtained by controlling the process of electric arc discharge and the period and the length of LPFGs.The results show that insertion loss of pass channel is able to be less than 0.5dB,20dB loss bandwidth of rejection band is nearly 15nm,and that isolation of neighboring channel is about 25dB.

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