articleElectronics LettersMar 16, 2006Closed access

Power efficient optical OFDM

JAJean ArmstrongAJArthur J. Lowery

Monash University

Indexed incrossrefdoaj

Abstract

A new technique for using orthogonal frequency division multiplexing (OFDM) in optical systems is presented. Clipped OFDM is derived from a bipolar OFDM waveform by setting the negative values to zero. It has an optical efficiency 8 dB better than DC biased OFDM. If only the odd OFDM subcarriers are modulated, the clipping noise is orthogonal to the wanted signal.

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Topics & keywords

Topics
Keywords
  • Orthogonal frequency-division multiplexing
  • Clipping (morphology)
  • Electronic engineering
  • Waveform
  • Computer science
  • Frequency-division multiplexing
  • SIGNAL (programming language)
  • Power (physics)
UN Sustainable Development Goals
  • Affordable and clean energy
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