Unified direct and coherent orthogonal frequency division multiplexing optical transmission scheme

Stanley Johnson; Milorad Cvijetic

doi:10.1364/AO.54.010606

Unified direct and coherent orthogonal frequency division multiplexing optical transmission scheme

Stanley Johnson, Milorad Cvijetic

Optical Sciences, College of

Research output: Contribution to journal › Article › peer-review

Abstract

We experimentally demonstrate a novel unified direct and coherent orthogonal frequency division multiplexing (OFDM) scheme. This self-coherent OFDM scheme simplifies receiver architecture and provides interchangeability between direct and coherent receivers using the same unified transmitter. We have experimentally verified the resilience of this scheme to fiber nonlinearities and achieved receiver sensitivity improvement of up to 1.73 dB as compared to the conventional intensity modulation and direct detection OFDM scheme. We have also verified the effectiveness of a dual-analyzer-based balanced detection scheme.

Original language	English (US)
Pages (from-to)	10606-10612
Number of pages	7
Journal	Applied optics
Volume	54
Issue number	36
DOIs	https://doi.org/10.1364/AO.54.010606
State	Published - Dec 20 2015

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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AB - We experimentally demonstrate a novel unified direct and coherent orthogonal frequency division multiplexing (OFDM) scheme. This self-coherent OFDM scheme simplifies receiver architecture and provides interchangeability between direct and coherent receivers using the same unified transmitter. We have experimentally verified the resilience of this scheme to fiber nonlinearities and achieved receiver sensitivity improvement of up to 1.73 dB as compared to the conventional intensity modulation and direct detection OFDM scheme. We have also verified the effectiveness of a dual-analyzer-based balanced detection scheme.

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Unified direct and coherent orthogonal frequency division multiplexing optical transmission scheme

Abstract

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