A fully stabilized low-phase-noise Kerr-lens mode-locked Yb:CYA laser frequency comb with an average power of 1.5 W
| Autor: | Shao Xiaodong, Xiaodong Xu, Hainian Han, Wenlong Tian, Ziyue Zhang, Zhiyi Wei, Huibo Wang |
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| Rok vydání: | 2020 |
| Předmět: |
Materials science
Physics and Astronomy (miscellaneous) business.industry General Engineering General Physics and Astronomy Pulse duration Frequency deviation 01 natural sciences Time and frequency transfer 010309 optics Frequency comb Optics 0103 physical sciences Phase noise Laser power scaling 010306 general physics business Ultrashort pulse Microwave |
| Zdroj: | Applied Physics B. 126 |
| ISSN: | 1432-0649 0946-2171 |
| Popis: | We report a fully stabilized self-referenced all-solid-state-laser frequency comb based on a home-built Kerr-lens mode-locked Yb:CaYAlO4 oscillator, which delivers ultrafast pulses with a pulse duration of 54 fs and an average power of 1.5 W. Free running carrier-envelope phase offset frequency (fceo) is observed with a signal to noise ratio of 40 dB at 100 kHz resolution bandwidth, which is phase-locked to a microwave frequency synthesizer with a residual phase jitter of 370 mrad [1 Hz–1 MHz] and with a standard frequency deviation of 0.8 mHz at 1-s gate time within 3-h, corresponding to the relative frequency instability of 2.9 × 10−18 at 1-s average time. It is the lowest phase noise and the highest frequency stability of fceo obtained in a watt-level all-solid-state bulk laser frequency comb to the best of our knowledge. A 13th repetition rate is simultaneously phase-locked to the same microwave standard with a frequency instability level of 10−12 at 1 s average time. Such fully stabilized power scaling Yb: CaYAlO4 laser frequency combs have great potential for applications in broadband dual comb spectroscopy as well as high loss cases such as long-distance time and frequency transfer. |
| Databáze: | OpenAIRE |
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