An integrated electro-optically tunable multi-channel interference cavity laser
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866914837923102720 |
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| author | Zhou, Junxia Zhu, Yiran Fu, Botao Chen, Jinming Song, Huiting Zhang, Zhihao Yu, Jianping Liu, Jian Wang, Min Qi, Jia Cheng, Ya |
| author_facet | Zhou, Junxia Zhu, Yiran Fu, Botao Chen, Jinming Song, Huiting Zhang, Zhihao Yu, Jianping Liu, Jian Wang, Min Qi, Jia Cheng, Ya |
| contents | We demonstrated a continuously tunable laser system by butt coupling a reflective semiconductor optical amplifier (RSOA) chip with a thin-film lithium niobate (TFLN) based multi-channel interference (MCI) cavity chip. This hybrid integrated lasers allows for fine-tuning of the laser wavelength from 1538 nm to 1560 nm with a resolution of 0.014 nm and a side-mode suppression ratio (SMSR) exceeding 30 dB. The MCI cavity chip is fabricated using the photolithography assisted chemo-mechanical etching (PLACE) technique. The developed laser has an output power of approximately 10 μW, which can be further amplified to 70 mW using a commercial erbium-doped fiber amplifier (EDFA) without significant broadening of the laser linewidth. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_12217 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | An integrated electro-optically tunable multi-channel interference cavity laser Zhou, Junxia Zhu, Yiran Fu, Botao Chen, Jinming Song, Huiting Zhang, Zhihao Yu, Jianping Liu, Jian Wang, Min Qi, Jia Cheng, Ya Optics Applied Physics We demonstrated a continuously tunable laser system by butt coupling a reflective semiconductor optical amplifier (RSOA) chip with a thin-film lithium niobate (TFLN) based multi-channel interference (MCI) cavity chip. This hybrid integrated lasers allows for fine-tuning of the laser wavelength from 1538 nm to 1560 nm with a resolution of 0.014 nm and a side-mode suppression ratio (SMSR) exceeding 30 dB. The MCI cavity chip is fabricated using the photolithography assisted chemo-mechanical etching (PLACE) technique. The developed laser has an output power of approximately 10 μW, which can be further amplified to 70 mW using a commercial erbium-doped fiber amplifier (EDFA) without significant broadening of the laser linewidth. |
| title | An integrated electro-optically tunable multi-channel interference cavity laser |
| topic | Optics Applied Physics |
| url | https://arxiv.org/abs/2406.12217 |