Optical Slot-Waveguide Based Biochemical Sensors
AbstractSlot-waveguides allow light to be guided and strongly confined inside a nanometer-scale region of low refractive index. Thus stronger light-analyte interaction can be obtained as compared to that achievable by a conventional waveguide, in which the propagating beam is confined to the high-refractive-index core of the waveguide. In addition, slot-waveguides can be fabricated by employing CMOS compatible materials and technology, enabling miniaturization, integration with electronic, photonic and fluidic components in a chip, and mass production. These advantages have made the use of slot-waveguides for highly sensitive biochemical optical integrated sensors an emerging field. In this paper, recent achievements in slot-waveguide based biochemical sensing will be reviewed. These include slot-waveguide ring resonator based refractometric label-free biosensors, label-based optical sensing, and nano-opto-mechanical sensors.
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Barrios, C.A. Optical Slot-Waveguide Based Biochemical Sensors. Sensors 2009, 9, 4751-4765.
Barrios CA. Optical Slot-Waveguide Based Biochemical Sensors. Sensors. 2009; 9(6):4751-4765.Chicago/Turabian Style
Barrios, Carlos Angulo. 2009. "Optical Slot-Waveguide Based Biochemical Sensors." Sensors 9, no. 6: 4751-4765.