Whispering gallery mode (WGM) resonators have attracted extensive attention and their
unique characteristics have led to some remarkable achievements. In particular, when …

The magnetic field is crucial in fields like geography, industrial production and medical
treatment. The requirement for magnetic field sensors is increasing, thus a class of high …

Optical whispering gallery modes (WGMs) derive their name from a famous acoustic
phenomenon of guiding a wave by a curved boundary observed nearly a century ago. This …

A high-sensitivity and low-temperature fiber-optic magnetic field sensor based on a tapered
two-mode fiber (TTMF) sandwiched between two single-mode fibers has been proposed …

Despite bulk magnetic materials possess multidomain structure, single domain magnetic
crystals can be obtained at the nanoscale, which display superparamagnetic behavior with …

Ferrofluid is a novel kind of functional materials, which possesses both the magnetism of
solid magnetic material and fluidity of liquid material. Due to its unique optical properties …

In this paper, we propose and theoretically design a highly sensitive refractive index (RI)
sensor based on Vernier effect in three coupled micro-ring resonators (CMRR) with identical …

A magnetic field sensor based on the magnetic-field-induced nanoparticle assembly effect in
microcapillary whispering gallery mode (WGM) ring resonator is proposed and …

A novel tunable whispering gallery modes (WGMs) resonator based on a nematic liquid
crystal (LC)-filled capillary and magnetic nanoparticles (MNPs)-coated tapered fiber has …

We investigated both theoretically and experimentally, the thermo-optic tuning of whispering-
gallery modes (WGMs) in a microcapillary resonator filled with nematic liquid-crystal (LC) …