Silicon nanophotonic devices for integrated sensing

Babak Momeni; Siva Yegnanarayanan; Mohammad Soltani; Ali Asghar Eftekhar; Ehsan Shah Hosseini; Ali Adibi

doi:10.1117/1.3122986

1 April 2009 Silicon nanophotonic devices for integrated sensing

Babak Momeni, Siva Yegnanarayanan, Mohammad Soltani, Ali Asghar Eftekhar, Ehsan Shah Hosseini, Ali Adibi

Author Affiliations +

Journal of Nanophotonics, Vol. 3, Issue 1, 031001 (April 2009). https://doi.org/10.1117/1.3122986

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.

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Babak Momeni, Siva Yegnanarayanan, Mohammad Soltani, Ali Asghar Eftekhar, Ehsan Shah Hosseini, and Ali Adibi "Silicon nanophotonic devices for integrated sensing," Journal of Nanophotonics 3(1), 031001 (1 April 2009). https://doi.org/10.1117/1.3122986

Published: 1 April 2009

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