• Publications
  • Influence
Porous silicon ring resonator for compact, high sensitivity biosensing applications.
A ring resonator is patterned on a porous silicon slab waveguide to produce a compact, high quality factor biosensor with a large internal surface area available for enhanced recognition ofExpand
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Design of Photonic Crystal Cavities for Extreme Light Concentration
The fields of photonic crystals and plasmonics have taken two different approaches to increasing light–matter interaction. Photonic crystal cavities increase temporal confinement of light in aExpand
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Slow light Mach-Zehnder interferometer as label-free biosensor with scalable sensitivity.
The design, fabrication, and characterization of a label-free Mach-Zehnder interferometer (MZI) optical biosensor that incorporates a highly dispersive one-dimensional (1D) photonic crystal in oneExpand
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Enhancing the Sensitivity of Label-Free Silicon Photonic Biosensors through Increased Probe Molecule Density
We report a greater than 5-fold increase in the detection sensitivity and a greater than 3-fold reduction in the response time of planar silicon photonic biosensors by increasing the density of probeExpand
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Experimental realization of deep-subwavelength confinement in dielectric optical resonators
Dielectric cavities support record low mode volumes by incorporating subwavelength features into photonic crystal unit cells. The ability to highly localize light with strong electric fieldExpand
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Control of excitons in multi-layer van der Waals heterostructures
In a double quantum well van der Waals heterostructure made of atomically thin layers of MoS2 and hBN emission of neutral and charged excitons is controlled by gate voltage, temperature, and both theExpand
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Suspended micro-ring resonator for enhanced biomolecule detection sensitivity
Silicon micro-ring biosensors demonstrate great potential for high sensitivity and multiplexed lab-on-chip systems. In this work, we characterize the sensing performance of suspended TM-mode siliconExpand
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Photonic crystal microring resonator based sensors
Experimental studies on the chemical detection sensitivity of high surface area photonic crystal microring resonators are presented. We report a detection sensitivity of ~170nm/RIU for slow-lightExpand
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Plasmonic Hot Electron Induced Photocurrent Response at MoS2-Metal Junctions.
We investigate the wavelength- and polarization-dependence of photocurrent signals generated at few-layer MoS2-metal junctions through spatially resolved photocurrent measurements. When incidentExpand
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Photonic crystal microring resonator for label-free biosensing.
A label-free optical biosensor based on a one-dimensional photonic crystal microring resonator with enhanced light-matter interaction is demonstrated. More than a 2-fold improvement in volumetric andExpand
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