Lasing in a Hybrid Rare-Earth Silicon Microdisk,Laser & Photonics Reviews

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Lasing in a Hybrid Rare-Earth Silicon Microdisk
Laser & Photonics Reviews ( IF 9.8 ) Pub Date : 2021-11-12 , DOI: 10.1002/lpor.202100348
Khadijeh Miarabbas Kiani ₁ , Henry C. Frankis ₁ , Cameron M. Naraine ₁ , Dawson B. Bonneville ₁ , Andrew P. Knights ₁ , Jonathan D. B. Bradley ₁

Affiliation

Silicon photonics is an ideal platform for low-cost, energy-efficient, and high-performance optical microsystems. However, because silicon is an inefficient light emitting material, the development of simple, inexpensive, and scalable monolithic amplifiers and light sources has been a significant challenge. Here, optical gain and lasing in an ultra-compact hybrid rare-earth silicon microdisk resonator are reported. The microdisk design is straightforward and compatible with the fabrication steps and device dimensions available in all silicon photonics foundries, while the thulium-doped tellurite gain medium is added in a low-temperature single-step sputter deposition. This approach allows for low-cost and high-volume wafer-scale manufacturing and co-integration of rare-earth amplifiers and light sources with silicon passive and active devices with no adjustment to standard process flows. The hybrid laser is pumped at standard telecom wavelengths around 1.6 µm and exhibits stable single-mode emission at 1.9 µm, with an internal slope efficiency of 60% and >1 mW on-chip output power. The laser is highly promising for emerging communications and sensing applications and opens new possibilities for the development of monolithic rare-earth optical amplifiers and lasers directly on silicon.

中文翻译：

在混合稀土硅微盘中发射激光

硅光子学是低成本、高能效和高性能光学微系统的理想平台。然而，由于硅是一种低效的发光材料，因此开发简单、廉价且可扩展的单片放大器和光源一直是一项重大挑战。在这里，报告了超紧凑混合稀土硅微盘谐振器中的光学增益和激光。微盘设计简单明了，并且与所有硅光子代工厂中可用的制造步骤和器件尺寸兼容，而在低温单步溅射沉积中添加了掺铥的亚碲酸盐增益介质。这种方法允许低成本和大批量晶圆级制造以及稀土放大器和光源与硅无源和有源器件的共同集成，而无需调整标准工艺流程。混合激光器以大约 1.6 µm 的标准电信波长进行泵浦，在 1.9 µm 处表现出稳定的单模发射，内部斜率效率为 60%，片上输出功率 >1 mW。该激光器对于新兴的通信和传感应用非常有前景，并为直接在硅上开发单片稀土光放大器和激光器开辟了新的可能性。1 mW 片上输出功率。该激光器对于新兴的通信和传感应用非常有前景，并为直接在硅上开发单片稀土光放大器和激光器开辟了新的可能性。1 mW 片上输出功率。该激光器对于新兴的通信和传感应用非常有前景，并为直接在硅上开发单片稀土光放大器和激光器开辟了新的可能性。

更新日期：2022-01-08

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