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Journal of Nanophotonics

Silicon nanophotonic devices for integrated sensing
Author(s): Babak Momeni; Siva Yegnanarayanan; Mohammad Soltani; Ali Asghar Eftekhar; Ehsan Shah Hosseini; Ali Adibi
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Paper Abstract

The potentials of a nanophotonic platform, including compactness, low power consumption, integrability with other functionalities, and high sensitivity make them a suitable candidate for sensing applications. Strong light-matter interaction in such a platform enables a variety of sensing mechanisms, including refractive index change, fluorescence emission, and Raman scattering. Recent advances in nanophotonic devices include the demonstration of silicon and silicon-nitride microdisk resonators with high intrinsic Q values (0.5-2×106) for strong field enhancement and the realization of compact photonic crystal spectrometers (high spectral resolution at 100-μm length scales) for on-chip spectral analysis. These two basic building blocks, when combined with integrated fluidic channels for sample delivery, provide an efficient platform to implement different sensing mechanisms and architectures.

Paper Details

Date Published: 1 April 2009
PDF: 23 pages
J. Nanophoton. 3(1) 031001 doi: 10.1117/1.3122986
Published in: Journal of Nanophotonics Volume 3, Issue 1
Show Author Affiliations
Babak Momeni, Georgia Institute of Technology (United States)
Siva Yegnanarayanan, Georgia Institute of Technology (United States)
Mohammad Soltani, Georgia Institute of Technology (United States)
Ali Asghar Eftekhar, Georgia Institute of Technology (United States)
Ehsan Shah Hosseini, Georgia Institute of Technology (United States)
Ali Adibi, Georgia Institute of Technology (United States)

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