Coherent optical fiber communications

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Abstract

The very high detection sensitivities and selectivities associated with coherent lightwave techniques furnish a basis for the exploitation of the great potential bandwidth of single-mode fibers in point-to-point and point-to-multipoint transmission. Attention is presently given to the theoretical advantages and limitations of the modulation and detection formats envisioned. An evaluation is made of the development status of prospective implementations of these techniques.