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高功率,窄线宽,热调节的多通道干扰可调节激光,基于关节再生与精确的频率调节
Optics letters
|October 15, 2025
概括
我们开发了一种高功率,窄线宽的热调多通道干扰 (MCI) 激光器,用于先进的连贯通信系统. 这种集成激光器提供了特殊的调范围和可靠性,对于800 Gbit/s和超越数据速率至关重要.
科学领域:
- 光子学和光学工程 光子学和光学工程
- 集成光学 集成光学 集成光学
- 电信 电信服务 电信服务 电信服务
背景情况:
- 下一代连贯通信系统需要具有高输出功率,窄线宽和精确调整能力的激光器.
- 现有的激光技术在满足800 Gbit/s及以上数据速率的苛刻规格方面面临着挑战.
研究的目的:
- 为了展示一个单体集成的,热调整的多通道干扰 (MCI) 激光器,优化用于高性能连贯光学系统.
- 通过创新的集成和热调技术,实现高输出功率,窄线宽,宽调范围和提高可靠性.
主要方法:
- 使用后关节再生的单体集成,用于低损耗的主动-被动装置合.
- 实施空隙悬浮相段,以实现高效的热调节.
- 精确的常相调节用于频率稳定性和调节速度的表征.
主要成果:
- 实现了120mW的面向输出功率和40kHz的最低洛伦兹线宽.
- 证明调范围超过56nm,侧模式抑制比 (SMSR) >49dB,光纤合输出功率高达18.1dBm.
- 显示出出色的可靠性,在100°C老化5000小时内漂移<±30分钟,调整响应时间低于250微秒.
结论:
- 关节再生集成的MCI激光器满足800 Gbit/s和未来连贯通信系统的关键性能指标.
- 该设备的高功率,窄线宽,宽调和可靠性使其成为先进光学网络的有希望的候选人.
- 这项工作推进了用于高容量光学数据传输的集成激光技术.
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