Duplex Digitized Transmission of 64-QAM Signals over a Single Fiber Using a Single Pulsed Laser Source


We demonstrate digitized duplex transmission of 64-QAM signals using pulsed optical communications. Bidirectional data transmission is achieved over one twenty five km optical fibre employing a single optical pulsed supply. The choice of suitable parameters for bandpass sampling technique used for the digitization of the 16 MSamples/s sixty four-QAM signal are mentioned. It's demonstrated that using digitized transmission of RF signals, long distance transmission will be supported at a performance close to that of the back-to-back analogue benchmarker.

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