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Please answer 3 question with detail solution 4. Describe the operating principle behind an Erbiu...

Please answer 3 question with detail solution

4. Describe the operating principle behind an Erbium Doped Fiber Amplifier (EDFA).
5. You are required to design an optical communications system between two locations 300 km apart. The power transmitted is 0 dBm and the receiver sensitivity is -29 dBm. The attenuation coefficient for the cable is 0.24 dB/km and there is a splice every 4 km, with a loss of 0.1 dB per splice.
If the connector loss is 0.2 dB explain how you would incorporate an optical amplifiers into your design to ensure the correct operation of this system.
6. Describe the different types of dispersion in an optical fiber.

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) An erbium-doped fiber amplifier (EDFA) is a device that amplifies an optical fiber signal. It is used in the telecommunicat

6) Dispersion in optical fibers In an optical medium, such as fiber, there are three types of dispersion, chromatic, modal, a

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