200 Gb/s/ λ Bidirectional Coherent PON Solutions Demonstrated over Field Installed Fiber
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We demonstrate 200 Gb/s bidirectional coherent PON solutions using a simplified optical network unit (ONU) over 19 km of field-installed fiber. The ONU receiver is a single-polarization heterodyne detector with either a balanced or a single-ended photodetector and the transmitter is based on dual-polarization electro-absorption modulated laser (EML). The optical line terminal (OLT) uses standard dual-polarization coherent transceivers. The downstream solutions achieve 37 dB and 30.5 dB power budget for the receiver with balanced and single-ended photodiodes, respectively. For the upstream, two line rates have been investigated: 200 Gb/s/λ for symmetrical transmission and 100 Gb/s/λ for asymmetric transmission achieving a power budget of 30.1 dB and 40.9 dB respectively.
Original language | English |
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Pages (from-to) | 1089-1092 |
Number of pages | 4 |
Journal | IEEE Photonics Technology Letters |
Volume | 36 |
Issue number | 17 |
Early online date | 29 Jul 2024 |
DOIs | |
Publication status | Published - 1 Sept 2024 |