Three-dimensional spatial resolution of the nonlinear photoemission from biofunctionalized porous silicon microcavity
Infiltration of biomacromolecules into porous silicon photonic architectures results in biofunctionalized structures with unique properties. Characterization of their optical response and performance optimization in biomacromolecular detection and biophotonic application require a combination of opt...
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| Veröffentlicht in: | Applied physics letters 2009-06, Vol.94 (22) |
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| container_title | Applied physics letters |
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| creator | Martin, M. Palestino, G. Cloitre, T. Agarwal, V. Zimányi, L. Gergely, C. |
| description | Infiltration of biomacromolecules into porous silicon photonic architectures results in biofunctionalized structures with unique properties. Characterization of their optical response and performance optimization in biomacromolecular detection and biophotonic application require a combination of optical and structural studies. Nonlinear optical microscopy is applied to study porous silicon microcavities with and without infiltrated glucose oxidase. The infiltrated protein acts as an internal two-photon-excited fluorescence emitter and second harmonic generator, enabling the in-depth visualization of the porous structure. Enhanced second harmonic generation and fluorescence emission by the porous silicon structure is experimentally associated with the defect layer. |
| doi_str_mv | 10.1063/1.3148698 |
| format | Article |
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| identifier | ISSN: 0003-6951 |
| ispartof | Applied physics letters, 2009-06, Vol.94 (22) |
| issn | 0003-6951 1077-3118 |
| language | eng |
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| source | AIP Journals Complete; AIP Digital Archive; Alma/SFX Local Collection |
| subjects | Biological Physics Physics |
| title | Three-dimensional spatial resolution of the nonlinear photoemission from biofunctionalized porous silicon microcavity |
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