Proceedings PaperComparison between coherent and noncoherent optical video communication
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Coherent optical communication offers very high sensitivity and enormous bandwidth as compared with the existing noncoherent system. Unfortunately it is still under experimentation and research. With the anticipation of voluminous communication, it is predicted that coherent systems will play a significant role in future applications. This paper will develop a model for a coherent frequency modulated video receiver using heterodyne detection and will highlight the potential signal to noise ratio improvements over the noncoherent receiver. The requirements to achieve such a high quality system will also be emphasized.