arXiv subjects

Urban Westergren

Publications and source records attributed to Urban Westergren.

2 recordsLinked to original sources

arXiv2018

140 Gbaud On-Off Keying Links in C-Band for Short-Reach Optical Interconnects

We demonstrate 140 Gbaud intensity modulated direct detection dispersion-uncompensated links with Mach Zehnder modulator and distributed feedback travelling-wave electro-absorption modulator over 5500 and 960 meters of standard single mode fibre, respectively, enabled by compact packaged ultra-high speed InP-based 2:1-Selector.

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arXiv2018

Kernel Adaptive Filtering for Nonlinearity-Tolerant Optical Direct Detection Systems

Kernel adaptive filtering (KAF) is proposed for nonlinearity-tolerant optical direct detection. For 7x128Gbit/s PAM4 transmission over 33.6km 7-core-fiber, KAF only needs 10 equalizer taps to reach KP4-FEC limit (BER@2.2e-4), whereas decision-feedback-equalizer needs 43 equalizer taps to reach HD-FEC limit (BER@3.8e-3).

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