Tunable “shallow” microbottle resonators

Mohd Narizee Mohd Nasir,Ganapathy Senthil Murugan,Michalis N. Zervas

IEEE Photonics Technology Letters（2019）

Cited 7|Views36

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Abstract

Broadly tunable whispering gallery mode (WGM) microbottle resonators (MBRs) are demonstrated with Q-factor in excess of 105. Dense and complex transmission spectra of the solid MBRs were simplified substantially by using a “shallow” MBR profile and microtaper excitation fibers with 10-μm waist diameter. Mechanical tuning by strain over full azimuthal free spectral range (FSR) is demonstrated.

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Key words

Tuning,Strain,Resonators,Optical fiber sensors,Optical polarization,Couplings,Q-factor

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