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Commemorative Papers

Silicon nanophotonic devices for integrated sensing

[+] Author Affiliations
Babak Momeni, Siva Yegnanarayanan, Mohammad Soltani, Ali A. Eftekhar, Ehsan Shah Hosseini, Ali Adibi

School of Electrical and Computer Engineering, Georgia Institute of Technology, 777 Atlantic Dr. NW, Atlanta, GA 30332-0250

J. Nanophoton. 3(1), 031001 (April 1, 2009). doi:10.1117/1.3122986
History: Received November 25, 2008; Revised March 27, 2009; Accepted March 27, 2009; April 1, 2009; Online April 01, 2009
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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.

© 2009 Society of Photo-Optical Instrumentation Engineers

Citation

Babak Momeni ; Siva Yegnanarayanan ; Mohammad Soltani ; Ali A. Eftekhar ; Ehsan Shah Hosseini, et al.
"Silicon nanophotonic devices for integrated sensing", J. Nanophoton. 3(1), 031001 (April 1, 2009). ; http://dx.doi.org/10.1117/1.3122986


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