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InGaAsP photonic crystal slot nanobeam waveguides for refractive index sensing

Wang, Bowen; Dundar, Mehmet A; Notzel, Richard; Karouta, Fouad; He, Sailing; van der Heijden, Rob W.


Results are presented on the use of InGaAsP photonic crystal nanobeam slot waveguides for refractive index sensing. These sensors are read remote-optically through photoluminescence, which is generated by built-in InGaAs quantum dots. The nanobeams are designed to maximize the electromagnetic field intensity in the slot region, which resulted in record-high sensitivities in the order of 700 nm/RIU (refractive index unit). A cavity, created by locally deflecting the two beams towards each other...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Conference paper
Source: Proceedings of SPIE - The International Society for Optical Engineering
DOI: 10.1117/12.873709
Access Rights: Open Access


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