High-performance Quantum Dot DFB Laser Applied in 800G LAN-WDM Optoelectronic Transceiver System

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This is a Experimental Study study.

Wanshu Xiong; Yumiao Li; Xiaojun Ying; Huaqing Jiang; Gangqiang Zhou; Yu Zhuang; Kun Yin

doi:10.1364/cleo_at.2025.jps100_90

January 1, 2025

High-performance Quantum Dot DFB Laser Applied in 800G LAN-WDM Optoelectronic Transceiver System

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Key Points

A high-performance quantum dot DFB laser achieves 100Gbit/s in a single channel, with low error rates.
Key metrics include a bit error rate (BER) of 5.0E-6 and a linewidth of just 97kHz.
Optoelectronic transceiver tests reveal a relative intensity noise of -159.01dB at 19.9GHz, indicating stability.
This advancement supports the use of quantum dot lasers in next-generation high-speed communication systems.

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Implication

Demonstration of a high-performance QD DFB laser achieving 100Gbit/s in a single channel with extremely low BER.

Abstract

We demonstrate that a high-performance QD DFB laser in an 800G LAN-WDM optoelectronic transceiver system can reach 100Gbit/s in a single channel with BER of merely 5.0E-6, 97kHz linewidth, and -159.01dB@19.9GHz relative intensity noise.

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Xiong et al. (2025) studied this question.

synapsesocial.com/papers/68d464f131b076d99fa64492 https://doi.org/10.1364/cleo_at.2025.jps100_90

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High-performance Quantum Dot DFB Laser Applied in 800G LAN-WDM Optoelectronic Transceiver System

Key Points

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Cite This Study

High-performance Quantum Dot DFB Laser Applied in 800G LAN-WDM Optoelectronic Transceiver System

Key Points

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Implication

Abstract

Discussion

Cite This Study

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