Which multiplexing technique is commonly used in optical fibre communication by combining different wavelengths of light?

Options

  • A. TDM
  • B. FDM
  • C. WDM
  • D. CDM
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. WDM

Detailed Explanation

Correct Answer: WDM (Wavelength Division Multiplexing).

WDM combines multiple optical signals of different wavelengths and transmits them simultaneously through a single optical fibre.