High power GaSb-based superluminescent diode with cascade cavity suppression waveguide geometry and ultra-low antireflection coating
文献类型：期刊论文
| 作者 | T. Wang, C. Yang, Y. Chen, J. Shi, H. Yu, X. Su, Y. Zhang, Y. Zhao, C. Tong, D. Wu, Y. Xu, H. Ni and Z. Niu |
| 刊名 | Applied Physics Letters
 |
| 出版日期 | 2023 |
| 卷号 | 123期号:2 |
| ISSN号 | 00036951 |
| DOI | 10.1063/5.0157235 |
| 英文摘要 | We report on a GaSb-based superluminescent diode optimized for high-power broadband operation around a wavelength of 2 μm. The high optical power was achieved by the high-quality epitaxial InGaSb/AlGaAsSb type-I quantum well gain material, which was processed into a double-pass amplification configuration. To prevent lasing at high current injection while enabling strong amplified spontaneous emission, a cascade cavity suppression waveguide geometry was designed to connect the vertical rear facet with the reflectivity-suppressed angled front facet. A Ta2O5/SiO2 ultra-low antireflection coating with a minimum reflectivity of 0.04% was applied to the front facet for further cavity suppression. This combination allowed the superluminescent diodes to demonstrate a record high single-transverse-mode output power of up to 152 mW under continuous-wave operation at room temperature, with a broad spectral band of 42 nm full width at half maximum. A 25% promotion in optical power has been realized compared to current state-of-the-art devices in this wavelength range, without sacrificing spectral bandwidth. The high-power spectral density characteristics, along with a good beam quality, are well suited for absorption spectroscopy applications and hybrid integration with silicon technology. © 2023 Author(s). |
| URL标识 | 查看原文 |
| 源URL | [http://ir.ciomp.ac.cn/handle/181722/67963]  |
| 专题 | 中国科学院长春光学精密机械与物理研究所 |
| 推荐引用方式 GB/T 7714 | T. Wang, C. Yang, Y. Chen, J. Shi, H. Yu, X. Su, Y. Zhang, Y. Zhao, C. Tong, D. Wu, Y. Xu, H. Ni and Z. Niu. High power GaSb-based superluminescent diode with cascade cavity suppression waveguide geometry and ultra-low antireflection coating[J]. Applied Physics Letters,2023,123(2). |
| APA | T. Wang, C. Yang, Y. Chen, J. Shi, H. Yu, X. Su, Y. Zhang, Y. Zhao, C. Tong, D. Wu, Y. Xu, H. Ni and Z. Niu.(2023).High power GaSb-based superluminescent diode with cascade cavity suppression waveguide geometry and ultra-low antireflection coating.Applied Physics Letters,123(2). |
| MLA | T. Wang, C. Yang, Y. Chen, J. Shi, H. Yu, X. Su, Y. Zhang, Y. Zhao, C. Tong, D. Wu, Y. Xu, H. Ni and Z. Niu."High power GaSb-based superluminescent diode with cascade cavity suppression waveguide geometry and ultra-low antireflection coating".Applied Physics Letters 123.2(2023). |
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