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Related Experiment Video

Updated: Mar 12, 2026

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Published on: August 5, 2013

Phone-sized whispering-gallery microresonator sensing system.

Xiangyi Xu, Xuefeng Jiang, Guangming Zhao

|November 19, 2016

Summary

We created a phone-sized whispering-gallery-mode (WGM) sensing system. This compact device simplifies optical resonator measurements and enables practical applications for ultra-high Q WGM resonators.

Area of Science:

Photonics and optical sensing.
Development of miniaturized scientific instrumentation.

Background:

Whispering-gallery-mode (WGM) resonators offer ultra-high quality factors for sensitive measurements.
Traditional WGM characterization requires bulky and complex laboratory equipment.

Purpose of the Study:

To develop a compact, portable sensing system for WGM resonators.
To demonstrate the feasibility of miniaturized WGM sensing for practical applications.

Main Methods:

Integration of essential optical and electronic components (tunable laser, temperature controller, oscilloscope, etc.) into an embedded system.
Development of a phone-sized WGM sensing platform.
Demonstration using a thermal sensing experiment.

Main Results:

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Development of Whispering Gallery Mode Polymeric Micro-optical Electric Field Sensors

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Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators

Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators

Published on: April 4, 2016

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Last Updated: Mar 12, 2026

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Published on: August 5, 2013

Development of Whispering Gallery Mode Polymeric Micro-optical Electric Field Sensors

Development of Whispering Gallery Mode Polymeric Micro-optical Electric Field Sensors

Published on: January 29, 2013

Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators

Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators

Published on: April 4, 2016

Successful development of a compact, phone-sized WGM sensing system.
Demonstration of a functional thermal sensing experiment using the portable system.
Elimination of the need for bulky measurement equipment.

Conclusions:

The developed compact WGM sensing system significantly simplifies optical resonator characterization.
This miniaturized system paves the way for practical, on-site sensing applications utilizing ultra-high Q WGM resonators.