We present a comprehensive overview of sensor technology exploiting optical whispering
gallery mode (WGM) resonances. After a short introduction we begin by detailing the …

Softphotonics has emerged as a new discipline that utilizes soft matter (ie, liquids, gels, bio‐
materials) as waveguide materials with versatile functionalities. The flexible properties of soft …

In-fiber whispering gallery mode (WGM) microsphere resonators have received remarkable
attention due to the superiorities of compact structure, high stability and self-alignment. As …

Abstract Lab-in-a-Fiber (LIF), a counterpart of Lab-on-a-chip, however, deployed within the
cylindrical optical fiber geometry, emerges as a promising approach into the development of …

A compact and robust scheme for broadband excitation of whispering gallery mode (WGM)
resonances into a microsphere is demonstrated. A polymer microsphere (10 μm) is …

We propose and demonstrate a tapered hollow annular core fiber (HACF) coupler for
excitation of whispering-gallery modes (WGMs) of an embedded microsphere resonator …

The platform presented here was devised to address the unmet need for real time label-free
in vivo sensing by bringing together a refractive index transduction mechanism based on …

In this review, we examine recent developments in the field of chemical and biological
sensing utilizing suspended‐core, exposed‐core, and hollow‐core microstructured optical …

A laser-assisted tuning method of whispering gallery modes (WGMs) in a cylindrical
microresonator based on magnetic-fluids-infiltrated microstructured optical fibres (MFIMOFs …

An in-fiber whispering-gallery-mode resonator fabricated by femtosecond laser
micromachining is demonstrated. The cylinder resonator cavity is fabricated by scanning the …