| Autor: |
Yanyan, Zhang, Pan, Zhang, Mingkun, Li, Jiazheng, Song, Faxi, Chen, Libo, Li, Xuelong, Li, Yuanshan, Liu |
| Rok vydání: |
2022 |
| Předmět: |
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| Zdroj: |
Frontiers in Physics. 10 |
| ISSN: |
2296-424X |
| DOI: |
10.3389/fphy.2022.1036218 |
| Popis: |
In this research, we demonstrate an optical frequency comb (OFC) based on a figure-9 laser and polarization-maintaining fibers to measure the dispersion of a microcavity. We adopt a multi-branch structure to obtain a broadband spectrum from 1,250 nm to 1,640 nm with 6-dB bandwidth. The single-mode power at each wavelength of the supercontinuum spectra is greater than 300 nJ, which assures the signal-to-noise ratio of the beat notes between the OFC and the diode laser. The frequency stability of the repetition rate is about 7.5 × 10–14 in an integration time of 1 s. This system allows us to extend the measurement bandwidth to 60 THz at the sub-megahertz resolution, which meets the requirements of the microcavity’s higher-order dispersion measurement. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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