Question
Download Solution PDFWhich among the following is used as receiver in fiber optic communication?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is option 3.
Fiber Optic Receivers
- Fiber optic receivers convert light signals into electrical signals for use by equipment such as computer networks.
- These electro-optical devices consist of an optical detector, a low-noise amplifier, and signal conditioning circuitry.
- After the optical detector converts the incoming optical signal into an electrical signal, the amplifier increases it to a level suitable for additional signal processing.
- Two types of semiconductors are used in fiber optic receivers i.e. silicon semiconductors such as photo-transistors and indium gallium arsenide semiconductors.
- Photo Transistors are used in short-wavelength receivers with a range of 400 nm to 1100 nm.
- Indium gallium arsenide semiconductors are used in long-wavelength receivers with a range of 900 nm to 1700 nm.
Last updated on Jun 26, 2025
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