4 July 2025
New publication on bidirectional high-speed transmission using QD-SOA
We are pleased to announce that a new research article titled “Bidirectional 100G/150G Amplified Transmission With a QD-SOA for Future Passive Optical Networks” has been published in IEEE Photonics Technology Letters.
This work demonstrates a high-speed bidirectional optical access link using a quantum-dot semiconductor optical amplifier (QD-SOA). Experimental results show 100 Gbit/s uplink and 150 Gbit/s downlink PAM-4 transmissions over 20 km of fiber, achieving power budgets of 32.3 dB and 29 dB, respectively. These findings confirm the suitability of QD-SOAs for next-generation passive optical networks, offering efficient amplification and reduced nonlinear impairments.
Read the full article: DOI: 10.1109/LPT.2025.3580280
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