Power efficient optical OFDM

@inproceedings{Armstrong2000PowerEO,
  title={Power efficient optical OFDM},
  author={Jean Armstrong and A. J. Lowery},
  year={2000}
}
Introduction: Orthogonal frequency division multiplexing (OFDM) allows high-speed data transmission across a dispersive channel, so is used in many new and emerging high-speed wired and wireless communication systems. However, OFDM is not used in commercial optical communication systems. This is because OFDM signals are bipolar, while in optical systems that use intensity modulation (IM), only unipolar signals can be transmitted. A large DC bias is usually added to OFDM signals requiring a high… CONTINUE READING

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