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Power efficient optical OFDM

Electronics Letters · 2006 · Vol. 42(6) · pp. 370–372

Jean Armstrong✉(Monash University)Arthur J. Lowery(Monash University)

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.

Optical Network Technologies Optical Wireless Communication Technologies Semiconductor Lasers and Optical DevicesOrthogonal frequency-division multiplexingClipping (morphology)Electronic engineeringWaveformComputer scienceFrequency-division multiplexingSIGNAL (programming language)Power (physics)TelecommunicationsEngineering

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