Gain and noise figure analysis of Er3+-doped YAG transparent ceramic microchip amplifier |
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| Authors: | Jinpeng Yin Wenyuan Gao Guishan Liu Hongshun Hao Shuang Yan Chun Jiang |
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| Affiliation: | 1.School of Textile and Material Engineering,Dalian Polytechnic University,Liaoning,China;2.State Key Laboratory of Advanced Optical Communication Systems and Networks,Shanghai Jiao Tong University,Shanghai,China |
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| Abstract: | The rate equations and the power evolution equations based on excited state absorption (ESA) and cooperative upconversion (CUC) of high concentration erbium-doped yttrium aluminum garnet (YAG) transparent ceramic waveguide amplifier are set up to analyze the effects of the pump power, active ion concentration and waveguide length on the amplifier gain and noise figure (NF). The numerical analysis predicts that with a pump power of 100mW, an active ion concentration of 1.0×1026 ion/m3 and a waveguide length of 3 cm, a small-signal gain of 30 dB and an NF of 5 dB can be achieved in the micro-chip amplifier. |
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