High-pulse-energy integrated mode-locked lasers based on a Mamyshev oscillator
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arXiv
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| Autori principali: | , , , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866908521349513216 |
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| author | Qiu, Zheru Hu, Jianqi Yang, Xuan Liu, Zhongshu Zhang, Yichi Ji, Xinru Sun, Jiale Likhachev, Grigorii Li, Xurong Li, Zihan Kentsch, Ulrich Kippenberg, Tobias J. |
| author_facet | Qiu, Zheru Hu, Jianqi Yang, Xuan Liu, Zhongshu Zhang, Yichi Ji, Xinru Sun, Jiale Likhachev, Grigorii Li, Xurong Li, Zihan Kentsch, Ulrich Kippenberg, Tobias J. |
| contents | Ultrafast lasers have unlocked numerous advances across science and technology: they enable corneal surgery, reveal chemical reaction dynamics, and underpin optical atomic clocks. Over the past decades, extensive efforts have been devoted to developing photonic integrated circuit-based mode-locked lasers that are compact, scalable, and compatible with further on-chip functionalities. Yet, existing implementations fall short of pulse energies required for their subsequent uses in nonlinear applications. In this work, we demonstrate the first mode-locked laser that overcomes this limitation in low-loss erbium-doped silicon nitride photonic integrated circuits. The laser is based on the Mamyshev oscillator architecture, which employs alternating spectral filtering and self-phase modulation for mode-locking. It delivers a 176 MHz stream of pulses with nanojoule energy, comparable to fiber lasers and surpassing previous photonic integrated sources by more than two orders of magnitude. The output pulses exhibit excellent coherence, can be linearly compressed to 147 fs and directly drive a 1.5-octave-spanning supercontinuum in an integrated waveguide. Our work establishes a new generation of high-pulse-energy photonic integrated mode-locked lasers and paves the way for their widespread adoption. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_05133 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | High-pulse-energy integrated mode-locked lasers based on a Mamyshev oscillator Qiu, Zheru Hu, Jianqi Yang, Xuan Liu, Zhongshu Zhang, Yichi Ji, Xinru Sun, Jiale Likhachev, Grigorii Li, Xurong Li, Zihan Kentsch, Ulrich Kippenberg, Tobias J. Optics Applied Physics Ultrafast lasers have unlocked numerous advances across science and technology: they enable corneal surgery, reveal chemical reaction dynamics, and underpin optical atomic clocks. Over the past decades, extensive efforts have been devoted to developing photonic integrated circuit-based mode-locked lasers that are compact, scalable, and compatible with further on-chip functionalities. Yet, existing implementations fall short of pulse energies required for their subsequent uses in nonlinear applications. In this work, we demonstrate the first mode-locked laser that overcomes this limitation in low-loss erbium-doped silicon nitride photonic integrated circuits. The laser is based on the Mamyshev oscillator architecture, which employs alternating spectral filtering and self-phase modulation for mode-locking. It delivers a 176 MHz stream of pulses with nanojoule energy, comparable to fiber lasers and surpassing previous photonic integrated sources by more than two orders of magnitude. The output pulses exhibit excellent coherence, can be linearly compressed to 147 fs and directly drive a 1.5-octave-spanning supercontinuum in an integrated waveguide. Our work establishes a new generation of high-pulse-energy photonic integrated mode-locked lasers and paves the way for their widespread adoption. |
| title | High-pulse-energy integrated mode-locked lasers based on a Mamyshev oscillator |
| topic | Optics Applied Physics |
| url | https://arxiv.org/abs/2509.05133 |