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Lecture-5

Lecture-5. Characterization of fiber amplifiers. Characterization of DFA. EDFA architecture. Figure: EDFA architecture. Characterization of DFA. Three level Energy System. Figure: Three level energy system. Rate Equations for three level Energy System. Characterization of DFA.

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Lecture-5

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  1. Lecture-5 Characterization of fiber amplifiers

  2. Characterization of DFA EDFA architecture Figure: EDFA architecture

  3. Characterization of DFA Three level Energy System Figure: Three level energy system

  4. Rate Equations for three level Energy System. Characterization of DFA

  5. Characterization of DFA Modeling of EDFA………….

  6. Characterization of DFA Modeling of EDFA

  7. Characterization of DFA Noise figure of EDFA

  8. Characterization of DFA Figure: Gain and NF in dB as a function of pump power in mW using a 10 m long EDF at 1550 nm signal wavelength and injected signal power of -35 dBm. From the numerical simulation.

  9. Characterization of DFA Figure: Population in the upper state (N2) and ground state (N1) as a function of position along a 21 m long EDF at 1550 nm using 14 mW of pump power and injected signal power of -35 dBm. From the numerical simulation.

  10. Characterization of DFA Figure: Gain as a function of EDF length at 1550 nm signal wavelength using 14 mW of pump power and injected signal power of -35 dBm.

  11. Characterization of DFA Figure: Gain and NF in dB as a function of pump power in mW using a 10 m (non-optimized) and 21 m (optimized) long EDF at 1550 nm signal wavelength and injected signal power of -35 dBm.

  12. Characterization of DFA Figure: Gain and NF in dB as a function of signal power in dBm using a 21 m long EDF at 1550 nm signal wavelength and injected pump power of 14 mW.

  13. Characterization of DFA Figure: Absorption and emission cross sections of Erbium near 1500 nm for the fiber mentioned in table -1.

  14. Characterization of DFA Figure: Gain in dB as a function of signal wavelength for various pump powers and injected signal power of -35 dBm using a 21 m long EDF

  15. Characterization of DFA Figure: Gain in dB as a function of pump power in mW and signal power in dBm using a 21 m long EDF at 1550 nm signal wavelength.

  16. Characterization of DFA Figure: NF in dB as a function of pump power in mW and signal power in dBm using a 21 m long EDF at 1550 nm signal wavelength.

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