Mark G. Scullion
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View article: MicroLED biosensor with colloidal quantum dots and smartphone detection
MicroLED biosensor with colloidal quantum dots and smartphone detection Open
A fluorescence sensor with the capability for spatially multiplexed measurements utilizing smartphone detection is presented. Bioconjugated quantum dots are used as the fluorescent tag and are excited using a blue-emitting microLED (µLED).…
View article: Photonic integration of lithium niobate micro-ring resonators onto silicon nitride waveguide chips by transfer-printing
Photonic integration of lithium niobate micro-ring resonators onto silicon nitride waveguide chips by transfer-printing Open
The heterogeneous integration of pre-fabricated lithium niobate photonic waveguide devices onto a silicon nitride waveguide platform via a transfer-printing approach has been demonstrated for the first time. A fabrication process was devel…
View article: Photonic integration of lithium niobate micro-ring resonators onto silicon nitride waveguide chips by transfer-printing
Photonic integration of lithium niobate micro-ring resonators onto silicon nitride waveguide chips by transfer-printing Open
The heterogeneous integration of lithium niobate photonic waveguide devices onto a silicon nitride waveguide platform via a transfer-printing approach has been demonstrated for the first time. A fabrication process was developed to make fr…
View article: Ultra-high Q/V hybrid cavity for strong light-matter interaction
Ultra-high Q/V hybrid cavity for strong light-matter interaction Open
The ability to confine light at the nanoscale continues to excite the research community, with the ratio between quality factor Q and volume V, i.e., the Q/V ratio, being the key figure of merit. In order to achieve strong light-matter int…
View article: The electrophotonic silicon biosensor
The electrophotonic silicon biosensor Open
The emergence of personalized and stratified medicine requires label-free, low-cost diagnostic technology capable of monitoring multiple disease biomarkers in parallel. Silicon photonic biosensors combine high-sensitivity analysis with sca…
View article: Enhancement of optical forces using slow light in a photonic crystal waveguide
Enhancement of optical forces using slow light in a photonic crystal waveguide Open
The paradigm of slow light in photonic crystal waveguides has already led to startling advances in nonlinear interactions and optical switching. Importantly, as slow light implies a highly reduced group velocity, this also leads to an orig…
View article: Spatial Resolution and Refractive Index Contrast of Resonant Photonic Crystal Surfaces for Biosensing
Spatial Resolution and Refractive Index Contrast of Resonant Photonic Crystal Surfaces for Biosensing Open
By depositing a resolution test pattern on top of a Si3N4 photonic crystal resonant surface, we have measured the dependence of spatial resolution on refractive index contrast Δn. Our experimental results and f…