We discuss a self-referencing sensing technique using high-quality Whispering-Gallery-Mode (WGM) resonators for detection and measurement of single nanoparticles. We also demonstrate self-heterodyne detection of nanoparticles with radius of 10 nm using WGM microlasers.
© 2011 OSA
L. Yang, J. Zhu, L. He, S. K. Ozdemir, and W. Kim, "Ultra-high-quality Whispering-Gallery-Mode Resonators for Single Nanoparticle Detection and Measurement," in Frontiers in Optics 2011/Laser Science XXVII, OSA Technical Digest (Optical Society of America, 2011), paper FTuD1.
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