Design of a passively mode-locking whispering gallery mode microaser
| Autor: | Suzuki, Tomoki S. L. Prugger, Nakashima, Ayata, Nagashima, Keigo, Ishida, Rammaru, Imamura, Riku, Fujii, Shun, Set, Sze Yun, Yamashita, Shinji, Tanabe, Takasumi |
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| Rok vydání: | 2021 |
| Předmět: | |
| Druh dokumentu: | Working Paper |
| Popis: | Ultrahigh repetition rate lasers will become vital light sources for many future technologies; however, their realization is challenging because the cavity size must be minimized. Whispering-gallery-mode (WGM) microresonators are attractive for this purpose since they allow the strong light-matter interaction usually needed to enable mode-locking. However, the optimum parameter ranges are entirely unknown since no experiments have yet been conducted. Here, we numerically investigate pulsed operation in a toroidal WGM microresonator with gain and saturable absorption (SA) to study the experimental feasibility. We show that dispersion is the key parameter for achieving passive mode-locking in this system. Moreover, the design guideline provided in this work can apply to any small resonators with gain and SA and is not limited to a specific cavity system. Comment: 12 pages, 7 figures |
| Databáze: | arXiv |
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