Chin. Phys. Lett.  2005, Vol. 22 Issue (11): 2862-2864    DOI:
Original Articles |
Gain and Noise Figure of a Double-Pass Waveguide Amplifier Based on Er/Yb-Doped Phosphate Glass
JIN Guo-Liang1;SHAO Gong-Wang1;Mu Huan1;HU Li-Li2;LI Qu1
1Department of Physics, Shanghai Jiao Tong University, Shanghai 200240 2Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
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JIN Guo-Liang, SHAO Gong-Wang, Mu Huan et al  2005 Chin. Phys. Lett. 22 2862-2864
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Abstract A waveguide amplifier is fabricated by Ag+--Na+ two-step ion exchange on Er/Yb-doped phosphate glass. The spectroscopic performance of glass and the properties of channel waveguide are characterized. A double-pass configuration is adopted to measure the gain and noise figure (NF) of the waveguide amplifier, and the comparison of gain and NF for the single and double-pass configuration of the waveguide amplifier is presented. The results show that the double-pass configuration can make the gain increase from 8.8dB (net gain 2.2dB/cm) of the single-pass one to 14.6dB (net gain 3.65dB/cm) for small input power at 1534nm, and the NF are all lower than 5.5dB for both the configurations.
Keywords: 42.82.Bq      42.70.Qs      42.82.Cr     
Published: 01 November 2005
PACS:  42.82.Bq (Design and performance testing of integrated-optical systems)  
  42.70.Qs (Photonic bandgap materials)  
  42.82.Cr (Fabrication techniques; lithography, pattern transfer)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2005/V22/I11/02862
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JIN Guo-Liang
SHAO Gong-Wang
Mu Huan
HU Li-Li
LI Qu
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