CMOS compatible high-performance nanolasing based on perovskite-SiN hybrid integration
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arXiv
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| Format: | Preprint |
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2020
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| _version_ | 1866929482706714624 |
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| author | He, Z. Chen, B. Hua, Y. Liu, Z. Wei, Y. Liu, S. Hu, A. Shen, X. Zhang, Y. Gao, Y. Liu, J. |
| author_facet | He, Z. Chen, B. Hua, Y. Liu, Z. Wei, Y. Liu, S. Hu, A. Shen, X. Zhang, Y. Gao, Y. Liu, J. |
| contents | Coherent light sources in silicon photonics are the long-sought holy grail because silicon-based materials have indirect bandgap. Traditional strategies for realizing such sources, e.g., heterogeneous photonic integration, strain engineering and nonlinear process, are technologically demanding. Here, we demonstrate a hybrid lasing device composing of perovskite nanocrystals and silicon nitride nanobeam cavity. We fabricate SiN photonic crystal naonobeam cavities on a solid substrate with significantly improved thermal and mechanical stabilities compared to conventional suspended ones. In addition, adding a PMMA-encapsulation layer on top of the SiN can significantly boost the Q-factor of the cavity mode. By dispersing perovskite nanocrystals as emitters in the PMMA layer, we obtained high-performance coherent emissions in terms of lasing threshold, linewidth and mode volumes. Our work offers a compelling way of creating solution-processed active integrated photonic devices based on the mature platform of silicon photonics for applications in optical information science and photonic quantum technology. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2003_13546 |
| institution | arXiv |
| publishDate | 2020 |
| record_format | arxiv |
| spellingShingle | CMOS compatible high-performance nanolasing based on perovskite-SiN hybrid integration He, Z. Chen, B. Hua, Y. Liu, Z. Wei, Y. Liu, S. Hu, A. Shen, X. Zhang, Y. Gao, Y. Liu, J. Optics Applied Physics Coherent light sources in silicon photonics are the long-sought holy grail because silicon-based materials have indirect bandgap. Traditional strategies for realizing such sources, e.g., heterogeneous photonic integration, strain engineering and nonlinear process, are technologically demanding. Here, we demonstrate a hybrid lasing device composing of perovskite nanocrystals and silicon nitride nanobeam cavity. We fabricate SiN photonic crystal naonobeam cavities on a solid substrate with significantly improved thermal and mechanical stabilities compared to conventional suspended ones. In addition, adding a PMMA-encapsulation layer on top of the SiN can significantly boost the Q-factor of the cavity mode. By dispersing perovskite nanocrystals as emitters in the PMMA layer, we obtained high-performance coherent emissions in terms of lasing threshold, linewidth and mode volumes. Our work offers a compelling way of creating solution-processed active integrated photonic devices based on the mature platform of silicon photonics for applications in optical information science and photonic quantum technology. |
| title | CMOS compatible high-performance nanolasing based on perovskite-SiN hybrid integration |
| topic | Optics Applied Physics |
| url | https://arxiv.org/abs/2003.13546 |