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Equivalent circuit model for erbium-doped fibre amplifiers including amplified spontaneous emission

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2 Author(s)
J. -J. Jou ; Dept. of Electron. Eng., Nat. Kaohsiung Univ. of Appl. Sci., Kaohsiung ; C. -K. Liu

An equivalent circuit model of erbium-doped fibre amplifiers (EDFAs), including amplified spontaneous emission (ASE), is proposed. Using the circuit model, static and dynamic characteristics of EDFAs with the help of a SPICE simulator can be analysed conveniently. DC gain, ASE spectrum, frequency response and transient analysis of EDFAs can be simulated. A good agreement is obtained between the result of circuit-model simulation and that of numerical computation.

Published in:

IET Optoelectronics  (Volume:2 ,  Issue: 1 )