On-chip single nanoparticle detection using ultra-high-Q whispering gallery microresonator

Lan Yang, Jiangang Zhu, Sahin Ozdemir, Lina He, Yunfeng Xiao, Lin Li, Da Ren Chen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Whispering gallery mode (WGM) optical microcavities trap light in micro-scale volumes by continuous total internal reflection which leads to enhancement of light intensity within a confined region and longer photon lifetime. Consequently, light-matter interaction is enhanced making the WGM resonator an extremely sensitive platform for the detection of perturbations in and around the resonator. Here, we report mode-splitting in monolithic ultra-high-Q WGM microcavities for real-time and in-situ detection of single nanoparticles. We investigate experimentally and theoretically particle detection and sizing at single nanoparticle resolution using the mode-splitting technique. Theoretical calculations are in good agreement with the experimental results. The mode-splitting effect provides a 'self-reference sensing' technique that can overcome the limitations of current resonator-based sensors and in the meantime keep the advantages offered by resonant structures for high-performance sensing.

Original languageEnglish (US)
Title of host publicationPhotonic Microdevices/Microstructures for Sensing II
Volume7682
DOIs
StatePublished - Jun 25 2010
EventPhotonic Microdevices/Microstructures for Sensing II - Orlando, FL, United States
Duration: Apr 7 2010Apr 8 2010

Other

OtherPhotonic Microdevices/Microstructures for Sensing II
CountryUnited States
CityOrlando, FL
Period4/7/104/8/10

Fingerprint

Whispering Gallery Modes
Microresonators
Whispering gallery modes
Resonator
Nanoparticles
Q factors
Resonators
Microcavity
Chip
Microcavities
chips
whispering gallery modes
nanoparticles
Sensing
resonators
Total Internal Reflection
Light Intensity
Laser modes
Trap
Lifetime

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Yang, L., Zhu, J., Ozdemir, S., He, L., Xiao, Y., Li, L., & Chen, D. R. (2010). On-chip single nanoparticle detection using ultra-high-Q whispering gallery microresonator. In Photonic Microdevices/Microstructures for Sensing II (Vol. 7682). [76820B] https://doi.org/10.1117/12.850662
Yang, Lan ; Zhu, Jiangang ; Ozdemir, Sahin ; He, Lina ; Xiao, Yunfeng ; Li, Lin ; Chen, Da Ren. / On-chip single nanoparticle detection using ultra-high-Q whispering gallery microresonator. Photonic Microdevices/Microstructures for Sensing II. Vol. 7682 2010.
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Yang, L, Zhu, J, Ozdemir, S, He, L, Xiao, Y, Li, L & Chen, DR 2010, On-chip single nanoparticle detection using ultra-high-Q whispering gallery microresonator. in Photonic Microdevices/Microstructures for Sensing II. vol. 7682, 76820B, Photonic Microdevices/Microstructures for Sensing II, Orlando, FL, United States, 4/7/10. https://doi.org/10.1117/12.850662

On-chip single nanoparticle detection using ultra-high-Q whispering gallery microresonator. / Yang, Lan; Zhu, Jiangang; Ozdemir, Sahin; He, Lina; Xiao, Yunfeng; Li, Lin; Chen, Da Ren.

Photonic Microdevices/Microstructures for Sensing II. Vol. 7682 2010. 76820B.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Yang L, Zhu J, Ozdemir S, He L, Xiao Y, Li L et al. On-chip single nanoparticle detection using ultra-high-Q whispering gallery microresonator. In Photonic Microdevices/Microstructures for Sensing II. Vol. 7682. 2010. 76820B https://doi.org/10.1117/12.850662