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Compact, Hybrid III-V/Silicon Vernier Laser Diode Operating From 1955鈥1992 nm
IEEE Photonics Journal ( IF 2.1 ) Pub Date : 2021-10-15 , DOI: 10.1109/jphot.2021.3119760
Jia Xu Brian Sia 1 , Xiang Li 2 , Wanjun Wang 1 , Zhongliang Qiao 1 , X. Guo 1 , Jiawei Wang 1 , Callum G. Littlejohns 3 , Chongyang Liu 2 , Graham T. Reed 3 , Kian Siong Ang 4 , Hong Wang 1
Affiliation  

The 2 µm waveband is capable of enabling pervasive applications. The demonstration of the hollow-core photonic bandgap fiber and the thulium-doped fiber amplifier has highlighted the fiber propagation and amplification aspects of fiber communications, indicating its potential as an adjunct to present communication infrastructure at the O/C bands. The above is especially imperative given the current concerns with regards to the upper bandwidth limit of the single-mode fiber. Furthermore, the waveband could facilitate many more applications such as LIDAR and free-space communication. However, water absorption (OH - ) is high at most of the 2 μm waveband and this will impact the optical insertion loss of applications implemented in the wavelength region. The relative low water absorption region of the waveband falls within 1950 – 2000 nm. As such, the development of a hybrid/heterogeneous III-V/silicon laser source that operates within the region is important for 2 µm silicon photonics. In this work, we demonstrate a III-V/Si hybrid tunable laser operating from 1955 - 1992 nm for the first time. Room temperature continuous wave operation is achieved with a maximum laser output power of 8.1 mW. This wavelength-tunable laser operates specifically within the low water absorption window, indicating good wavelength suitability for applications at the 2 μm waveband.

中文翻译:


紧凑型混合 III-V/硅游标激光二极管,工作波长为 1955 年至 1992 nm



2 µm 波段能够实现普遍应用。空芯光子带隙光纤和掺铥光纤放大器的演示突出了光纤通信的光纤传播和放大方面,表明其作为现有 O/C 频段通信基础设施的辅助手段的潜力。考虑到当前对单模光纤带宽上限的担忧,上述内容尤其必要。此外,该波段可以促进更多应用,例如激光雷达和自由空间通信。然而,水吸收率 (OH - ) 在 2 μm 波段的大部分区域都很高,这将影响在该波长范围内实施的应用的光学插入损耗。该波段吸水率相对较低的区域在 1950 – 2000 nm 范围内。因此,开发在该区域内工作的混合/异质 III-V/硅激光源对于 2 µm 硅光子学非常重要。在这项工作中,我们首次展示了在 1955 - 1992 nm 范围内工作的 III-V/Si 混合可调谐激光器。实现室温连续波操作,最大激光输出功率为 8.1 mW。这种波长可调谐激光器专门在低水吸收窗口内工作,表明波长适合 2 μm 波段的应用。
更新日期:2021-10-15
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