Abstract
Coupled-mode-induced transparency is realized in a single microbubble whispering-gallery mode resonator. Using aerostatic tuning, we find that the pressure-induced shifting rates are different for different radial order modes. A finite element simulation considering both the strain and stress effects shows a GHz/bar difference, and this is confirmed by experiments. A transparency spectrum is obtained when a first-order mode shifts across a higher order mode through precise pressure tuning. The resulting lineshapes are fitted with the theory. This work lays a foundation for future applications in microbubble sensing.
© 2015 Optical Society of America
Full Article | PDF ArticleMore Like This
Rico Henze, Tom Seifert, Jonathan Ward, and Oliver Benson
Opt. Lett. 36(23) 4536-4538 (2011)
Yue Wang, Kun Zhang, Song Zhou, Yi-Hui Wu, Ming-Bo Chi, and Peng Hao
Opt. Lett. 41(8) 1825-1828 (2016)
Yong Yang, Sunny Saurabh, Jonathan M. Ward, and Síle Nic Chormaic
Opt. Express 24(1) 294-299 (2016)