Fair comparison of complexity between a multi-band CAP and DMT for data center interconnects

J. L. Wei, C. Sanchez, E. Giacoumidis

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

We present, to the best of our knowledge, the first known detailed analysis and fair comparison of complexity of a 56 Gb/s multi-band carrierless amplitude and phase (CAP) and discrete multi-tone (DMT) over 80 km dispersion compensation fiber-free single-mode fiber links based on intensity modulation and direct detection for data center interconnects. We show that the matched finite impulse response filters and inverse fast Fourier transform (IFFT)/ FFT take the majority of the complexity of the multi-band CAP and DMT, respectively. The choice of the multi-band CAP sub-band count and the DMT IFFT/FFT size makes significant impact on the system complexity or performance, and trade-off must be considered.

Original languageEnglish
Pages (from-to)3860-3863
Number of pages4
JournalOptics Letters
Volume42
Issue number19
Early online date22 Aug 2017
DOIs
Publication statusPublished - 25 Sep 2017

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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