Demonstration of optical orthogonal frequency division multiplexing

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Conference Proceeding

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This paper demonstrates a new transmitting technique based on a simultaneous multiple channel modulation of ultrafast optical pulse by sending the Fourier Transform (FT) of the time framed signals over a communication channel. This transmission format was designed and found to overcome certain types of channel impairments. The main advantage is that the noise and signal degradation from one particular channel or several channels can be distributed over the entire span of the available frequency resource, so that the particular channels' SNR can be improved regardless of noise source. The trade off is that the other channels' SNR will be affected moderately. This method will be useful for the unknown channel noise pattern, for channel with irregular attenuation mode, and for the channel where the SNR changed dramatically over the entire available span.

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ASEE Annual Conference and Exposition, Conference Proceedings

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