| Flat Top Optical Frequency Combs Based on a Single-Core Quantum Cascade Laser at Wavelength of ～8.7 μm |
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| 引用本文： | 马钰,李伟江,许云飞,刘俊岐,卓宁,杨科,张锦川,翟慎强,刘舒曼,王利军,刘峰奇.Flat Top Optical Frequency Combs Based on a Single-Core Quantum Cascade Laser at Wavelength of ～8.7 μm[J].中国物理快报,2023(1):37-41. |
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| 作者姓名： | 马钰 李伟江 许云飞 刘俊岐 卓宁 杨科 张锦川 翟慎强 刘舒曼 王利军 刘峰奇 |
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| 作者单位： | 1. Key Laboratory of Semiconductor Materials Science,and Beijing Key Laboratory of Low Dimensional Semiconductor Materials and Devices,Institute of Semiconductors,Chinese Academy of Sciences;2. Center of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences |
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| 摘 要： | We present optical frequency combs with a spectral emission of 48 cm-1and an output power of 420 m W based on a single-core quantum cascade laser at λ ～ 8.7μm. A flat top spectrum sustains up to 130 comb modes delivering ～ 3.2 m W of optical power per mode, making it a valuable tool for dual comb spectroscopy. The homogeneous gain medium, relying on a slightly diagonal bound-to-continuum structure, promises to provide a broad and stable gain for comb operating. Remarkably, the dispers...
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| 关 键 词： | Flat Top Optical Frequency Combs Based on a Single-Core Quantum Cascade Laser at Wavelength of Cascade Quantum |
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