Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 35, Issue 18, Pages 1014-1017Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2023.3300070
Keywords
Optical network units; Sensitivity; Passive optical networks; Equalizers; Gain; Semiconductor optical amplifiers; Costs; Passive optical network (PON); optical network unit (ONU); optical line terminal (OLT)
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We experimentally demonstrate a 200 Gb/s/lambda upstream coherent passive optical network (PON) using polarization division multiplexed (PDM) pulse amplitude modulation 4-level (PAM4) signal with coherent detection. The PDM-PAM4 signal is generated using a low cost C-band electro-absorption modulated laser (EML), polarization division multiplexing (PDM) emulator, and semiconductor optical amplifier (SOA). A power budget of 29.4 dB is achieved for 25 km single mode fiber (SMF) transmission using a class-40 integrated coherent receiver (ICR) at the optical line terminal (OLT).
We experimentally demonstrate 200 Gb/s/lambda upstream coherent passive optical network (PON) using polarization division multiplexed (PDM) pulse amplitude modulation 4-level (PAM4) signal with coherent detection. The 50 GBaud PDM-PAM4 is generated using a low cost C-band electro-absorption modulated laser (EML), polarization-division multiplexing (PDM) emulator and semiconductor optical amplifier (SOA). A power budget of 29.4 dB is achieved for 25 km single mode fiber (SMF) transmission using a class-40 integrated coherent receiver (ICR) at the optical line terminal (OLT).
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