Plasmonic photonic-crystal slab as an ultrasensitive and robust optical biosensor

Alexander V. Baryshev; Alexander M. Merzlikin; Mitsuteru Inoue

doi:10.1117/12.2003253

21 February 2013 Plasmonic photonic-crystal slab as an ultrasensitive and robust optical biosensor

Alexander V. Baryshev, Alexander M. Merzlikin, Mitsuteru Inoue

Proceedings Volume 8632, Photonic and Phononic Properties of Engineered Nanostructures III; 863209 (2013) https://doi.org/10.1117/12.2003253
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

A one-dimensional photonic crystal with termination by a noble metal film–a plasmonic photonic-crystal slab–has been theoretically analyzed for its optical response at a variation of the dielectric permittivity of an analyte and at a condition simulating the molecular binding event. We investigate sensing performance by the slab and show that it is tolerant to the variation of probing conditions and the slab's structural parameters. As a consequence, the considered sensor exhibited an enhanced sensitivity and a good robustness in comparison with conventional surface-plasmon and Bloch surface wave sensors.

Citation Download Citation

Alexander V. Baryshev, Alexander M. Merzlikin, and Mitsuteru Inoue "Plasmonic photonic-crystal slab as an ultrasensitive and robust optical biosensor", Proc. SPIE 8632, Photonic and Phononic Properties of Engineered Nanostructures III, 863209 (21 February 2013); https://doi.org/10.1117/12.2003253

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