Photonic chip-based high-efficiency soliton microcombs via electroopitc-Kerr synergy
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arXiv
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| Autori principali: | , , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866909617957634048 |
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| author | Niu, Rui Wan, Shuai Wang, Pi-Yu Ma, Rui Li, Jin Bo, Fang Shen, Zhen Guo, Guang-Can Sun, Fang-Wen Liu, Junqiu Dong, Chun-Hua |
| author_facet | Niu, Rui Wan, Shuai Wang, Pi-Yu Ma, Rui Li, Jin Bo, Fang Shen, Zhen Guo, Guang-Can Sun, Fang-Wen Liu, Junqiu Dong, Chun-Hua |
| contents | Temporal soliton mode-locking in coherently pumped microcavities provides a promising platform for miniaturized frequency comb systems. While significant progress has been made, achieving high conversion efficiency in such microcombs remains a critical challenge. Soliton generation through pulse pumping has emerged as an effective strategy to improve conversion efficiency. However, the on-chip integration of pulse generation with dissipative Kerr soliton (DKS) formation within the photonic chip has not yet been realized. In this work, we demonstrate a photonic chip-based soliton microcomb with high conversion efficiency, achieved by integrating on-chip pulse generation and DKS generation. The pulsed laser, fabricated on a lithium niobate-on-insulator (LNOI) platform, delivers a 35.5GHz repetition rate with broadly tunable center frequencies. By coupling these on-chip pulses to a silicon nitride microresonator, we achieve stable DKS generation with a pump-to-soliton conversion efficiency of 43.9% under steady-state conditions. This integrated architecture establishes a viable pathway toward chip-scale soliton microcombs with unprecedented efficiency, opening up new possibilities for optical communications, precision spectroscopy, and photonic sensing. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_15001 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Photonic chip-based high-efficiency soliton microcombs via electroopitc-Kerr synergy Niu, Rui Wan, Shuai Wang, Pi-Yu Ma, Rui Li, Jin Bo, Fang Shen, Zhen Guo, Guang-Can Sun, Fang-Wen Liu, Junqiu Dong, Chun-Hua Optics Temporal soliton mode-locking in coherently pumped microcavities provides a promising platform for miniaturized frequency comb systems. While significant progress has been made, achieving high conversion efficiency in such microcombs remains a critical challenge. Soliton generation through pulse pumping has emerged as an effective strategy to improve conversion efficiency. However, the on-chip integration of pulse generation with dissipative Kerr soliton (DKS) formation within the photonic chip has not yet been realized. In this work, we demonstrate a photonic chip-based soliton microcomb with high conversion efficiency, achieved by integrating on-chip pulse generation and DKS generation. The pulsed laser, fabricated on a lithium niobate-on-insulator (LNOI) platform, delivers a 35.5GHz repetition rate with broadly tunable center frequencies. By coupling these on-chip pulses to a silicon nitride microresonator, we achieve stable DKS generation with a pump-to-soliton conversion efficiency of 43.9% under steady-state conditions. This integrated architecture establishes a viable pathway toward chip-scale soliton microcombs with unprecedented efficiency, opening up new possibilities for optical communications, precision spectroscopy, and photonic sensing. |
| title | Photonic chip-based high-efficiency soliton microcombs via electroopitc-Kerr synergy |
| topic | Optics |
| url | https://arxiv.org/abs/2505.15001 |