Victoria Cao, Shujie Pan, Di Wu, Hongguang Zhang, M. Tang, Alwyn Seeds, Huiyun Liu, Xi Xiao, Siming Chen
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引用次数: 0
摘要
可有效利用传输波长的双向工作放大器是未来高性价比、高能效光网络中密集集成光子电路的理想候选器件。在这里,我们首次展示了一种基于新型啁啾多层量子点(QD)结构的宽带半导体光放大器(SOA),它适合通过双基态(GS)发射光谱进行双向放大。所制造的 QD SOA 实现了 50 nm 的最大 3 dB 增益带宽,同时在两个 GS 波长上都保持了 20 dB 以上的片上增益。在 280 mA 的最佳抽运电流下,双向工作的 QD SOA 在超高速 100 Gbaud 非归零和 53.125 Gbaud 四电平脉冲幅度调制数据传输系统中的接收灵敏度提高了约 10 dB。
A novel bidirectionally operated chirped quantum-dot based semiconductor optical amplifier using a dual ground state spectrum
Bi-directionally operated amplifiers enabling efficient utilization of transmission wavelengths are promising candidates in densely integrated photonic circuits for future cost-effective, power-efficient optical networks. Here, we demonstrate, for the first time, a broadband semiconductor optical amplifier (SOA) based on a novel chirped multilayered quantum dot (QD) structure, which is suitable for bi-directional amplification via the dual ground state (GS) emission spectrum. The fabricated QD SOA has achieved a maximum 3-dB gain bandwidth of 50 nm while retaining on-chip gain above 20 dB at both GS wavelengths. Under an optimum pumping current of 280 mA, the bi-directionally operated QD SOA has shown around 10 dB receiver sensitivity improvement in ultra-high-speed 100 Gbaud non-return-to-zero and 53.125 Gbaud four-level pulse amplitude modulation data transmission systems.
APL PhotonicsPhysics and Astronomy-Atomic and Molecular Physics, and Optics
CiteScore
10.30
自引率
3.60%
发文量
107
审稿时长
19 weeks
期刊介绍:
APL Photonics is the new dedicated home for open access multidisciplinary research from and for the photonics community. The journal publishes fundamental and applied results that significantly advance the knowledge in photonics across physics, chemistry, biology and materials science.