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We present our recent progress in designing nanophotonic devices for integrated sensing applications. We focus on Si-based microresonators and on-chip spectrometers as the main building blocks to implement compact sensing platforms with strong light-matter interaction. The performance of these devices is discussed, and their future prospects in realizing low-power low-cost portable multi-purpose sensing...
A method for thermal-stabilization of silicon microdisk resonators, based on thermooptic polymer coatings, is proposed. Two orders of magnitude improvement in thermal stability is expected. Effects on Q and major fabrication challenges are discussed.
The combination of Si-based ultra-high Q micro-resonators and ultra-compact photonic crystal on-chip spectrometers has enabled highly-sensitive lab-on-a-chip sensing structures with orders-of-magnitude smaller size compared to conventional bulk sensing systems. Details of the design along with their experimental demonstrations will be presented.
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