Demonstration of PAM4-OCDM system with electrical amplitude-level pre-tuning and post-equalization for data centers applications.
Opt Express
; 27(8): 11227-11235, 2019 Apr 15.
Article
em En
| MEDLINE
| ID: mdl-31052969
ABSTRACT
A PAM4-OCDM system with optical multi-/demultiplexing and electrical pre-/post-processing is proposed for short-reach applications. We experimentally demonstrate, for the first time, a power-efficient 4 OC x 10 GSymbol/s PAM4-OCDM system. The four PSK-OCs are simultaneously generated using a single light source and a passive multiport optical encoder and received by a single optical decoder and cascaded DSP. The effectiveness of the electrical-domain amplitude level pre-tuning and post-equalizer are demonstrated, considering different values of shot and beat noises.
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MEDLINE
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2019
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Article