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Coupled-mode-induced transparency in aerostatically tuned microbubble whispering-gallery resonators

2015; Optica Publishing Group; Volume: 40; Issue: 8 Linguagem: Inglês

10.1364/ol.40.001834

ISSN

1539-4794

Autores

Yong Yang, Sunny Saurabh, Jonathan M. Ward, Síle Nic Chormaic,

Tópico(s)

Advanced Fiber Laser Technologies

Resumo

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.

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