3 years ago

Information capacity of direct detection optical transmission systems.

Mark Shtaif, Antonio Mecozzi

We show that the spectral efficiency of a direct detection transmission system is at most 1 bit/s/Hz less than the spectral efficiency of a system employing coherent detection with the same modulation format. Correspondingly, the capacity per complex degree of freedom in systems using direct detection is lower by at most 1 bit.

Publisher URL: http://arxiv.org/abs/1711.01888

DOI: arXiv:1711.01888v1

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