Journal article
Carrier-assisted differential detection
William Shieh, Chuanbowen Sun, Honglin Ji
Light: Science and Applications | Springer Nature | Published : 2020
Abstract
To overcome power fading induced by chromatic dispersion in optical fiber communications, optical field recovery is a promising solution for direct detection short-reach applications, such as fast-evolving data center interconnects (DCIs). To date, various direct detection schemes capable of optical field recovery have been proposed, including Kramers-Kronig (KK) and signal-signal beat interference (SSBI) iterative cancellation (IC) receivers. However, they are all restricted to the single sideband (SSB) modulation format, thus conspicuously losing half of the electrical spectral efficiency (SE) compared with double sideband (DSB) modulation. Additionally, SSB suffers from the noise folding ..
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Grants
Awarded by Australian Research Council
Funding Acknowledgements
We would like to thank the generous funding support from the Australian Research Council (ARC) via Discovery Projects DP150101864 and DP190103724.