On-Demand Waveguide-Integrated Microlaser-on-Silicon
The integration of high-quality III–V light sources on the Si platform has encountered a challenge that demands a highly precise on-demand addressability of single devices in a significantly reduced integration area. However, simple schemes to address the issue without causing major optical losses r...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-08-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/13/16/9329 |
| _version_ | 1797585618854739968 |
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| author | Byung-Ju Min Yeon-Ji Kim You-Shin No |
| author_facet | Byung-Ju Min Yeon-Ji Kim You-Shin No |
| author_sort | Byung-Ju Min |
| collection | DOAJ |
| description | The integration of high-quality III–V light sources on the Si platform has encountered a challenge that demands a highly precise on-demand addressability of single devices in a significantly reduced integration area. However, simple schemes to address the issue without causing major optical losses remain elusive. Here, we propose a waveguide-integrated microlaser-on-silicon in which the III–V/Si integration requires only a small micron-sized post structure with a diameter of <2 µm and enables efficient light coupling with an estimated coupling efficiency of 44.52%. Top-down fabricated high-quality microdisk cavities with an active gain medium were precisely micro-transferred on a small Si-post structure that was rationally designed in the vicinity of a strip-type Si waveguide (WG). Spectroscopic measurements exhibit successful lasing emission with a threshold of 378.0 µW, bi-directional light coupling, and a propagation of >50 µm through the photonic Si WG. Numerical study provides an in-depth understanding of light coupling and verifies the observations in the experiment. We believe that the proposed microlaser-on-Si is a simple and efficient scheme requiring a minimum integration volume smaller than the size of the light source, which is hard to achieve in conventional integration schemes and is readily applicable to various on-demand integrated device applications. |
| first_indexed | 2024-03-11T00:09:39Z |
| format | Article |
| id | doaj.art-7f96286e05f246778ec9d0cdd27701cb |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-11T00:09:39Z |
| publishDate | 2023-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-7f96286e05f246778ec9d0cdd27701cb2023-11-19T00:08:05ZengMDPI AGApplied Sciences2076-34172023-08-011316932910.3390/app13169329On-Demand Waveguide-Integrated Microlaser-on-SiliconByung-Ju Min0Yeon-Ji Kim1You-Shin No2Department of Physics, Konkuk University, Seoul 05029, Republic of KoreaDepartment of Physics, Konkuk University, Seoul 05029, Republic of KoreaDepartment of Physics, Konkuk University, Seoul 05029, Republic of KoreaThe integration of high-quality III–V light sources on the Si platform has encountered a challenge that demands a highly precise on-demand addressability of single devices in a significantly reduced integration area. However, simple schemes to address the issue without causing major optical losses remain elusive. Here, we propose a waveguide-integrated microlaser-on-silicon in which the III–V/Si integration requires only a small micron-sized post structure with a diameter of <2 µm and enables efficient light coupling with an estimated coupling efficiency of 44.52%. Top-down fabricated high-quality microdisk cavities with an active gain medium were precisely micro-transferred on a small Si-post structure that was rationally designed in the vicinity of a strip-type Si waveguide (WG). Spectroscopic measurements exhibit successful lasing emission with a threshold of 378.0 µW, bi-directional light coupling, and a propagation of >50 µm through the photonic Si WG. Numerical study provides an in-depth understanding of light coupling and verifies the observations in the experiment. We believe that the proposed microlaser-on-Si is a simple and efficient scheme requiring a minimum integration volume smaller than the size of the light source, which is hard to achieve in conventional integration schemes and is readily applicable to various on-demand integrated device applications.https://www.mdpi.com/2076-3417/13/16/9329microcavitymicrolasertransfer printinglaser-on-siliconsilicon photonicsphotonic integration |
| spellingShingle | Byung-Ju Min Yeon-Ji Kim You-Shin No On-Demand Waveguide-Integrated Microlaser-on-Silicon Applied Sciences microcavity microlaser transfer printing laser-on-silicon silicon photonics photonic integration |
| title | On-Demand Waveguide-Integrated Microlaser-on-Silicon |
| title_full | On-Demand Waveguide-Integrated Microlaser-on-Silicon |
| title_fullStr | On-Demand Waveguide-Integrated Microlaser-on-Silicon |
| title_full_unstemmed | On-Demand Waveguide-Integrated Microlaser-on-Silicon |
| title_short | On-Demand Waveguide-Integrated Microlaser-on-Silicon |
| title_sort | on demand waveguide integrated microlaser on silicon |
| topic | microcavity microlaser transfer printing laser-on-silicon silicon photonics photonic integration |
| url | https://www.mdpi.com/2076-3417/13/16/9329 |
| work_keys_str_mv | AT byungjumin ondemandwaveguideintegratedmicrolaseronsilicon AT yeonjikim ondemandwaveguideintegratedmicrolaseronsilicon AT youshinno ondemandwaveguideintegratedmicrolaseronsilicon |