Carrier Wave Reutilization in Optical Fiber Communications
AuthorHenderson, Mathew Hubert
AdvisorRawat, Banmali S
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Traditional communication links utilize a transmitter with a continuous wave laser that creates a carrier wave. This carrier is then altered within the transmitter either by a digital modulation technique or an analog modulation technique. These methods of carrier wave modulation provide the means to transfer signal information to the receiving end of the link. At the receiving end, the carrier wave is then filtered out to recover the modulating signal. This research presents a novel approach to improving power consumption in optical fiber communication links. This improvement is accomplished by reutilizing the optical carrier wave at the distant end of the link. This is done by use of an optical splitter, wherein half of the carrier wave power is supplied to the detector and the other half is modulated with new signal data. The new data is then transported back to the original system. The aim of this thesis is to provide an overview of various carrier wave reutilization techniques, their effects on the carrier wave and signal quality, and a comparative analysis of the potential benefits of carrier wave reutilization as compared to traditional methodologies.