Microring resonators with flow-through nanopores for nanoparticle counting and sizing | Zendy

Yubo Li | Zendy; Xudong Fan | Zendy

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Microring resonators with flow-through nanopores for nanoparticle counting and sizing

Author(s) -

Yubo Li,

Xudong Fan

Publication year - 2013

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.21.000229

Subject(s) - resonator , nanopore , sizing , materials science , nanoparticle , optics , signal (programming language) , flow (mathematics) , nanotechnology , optoelectronics , physics , computer science , chemistry , organic chemistry , programming language , mechanics

This paper proposes a high precision method for nanoparticle counting and sizing using a microring resonator-waveguide system that contains a flow-through nanopore. Theoretical analysis is carried out based on the coupled-mode theory, showing that when the nanoparticle passes the nanopore a temporal pulse signal can be detected and that the peak amplitude depends linearly on the nanoparticle volume. It is estimated that a nanoparticle of sub-10 nm in size may be detectable.

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