ArticleSensors (Basel, Switzerland)2014
Design low crosstalk ring-slot array structure for label-free multiplexed sensing.
Article in Sensors (Basel, Switzerland), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- A High-Performance UVA Photodetector Based on Polycrystalline Perovskite MAPbClSensors (Basel, Switzerland) · 2023Article
- Improving the detection limit for on-chip photonic sensors based on subwavelength grating racetrack resonators.Optics express · 2017Article
- Multiplexed Simultaneous High Sensitivity Sensors with High-Order Mode Based on the Integration of Photonic Crystal 1 × 3 Beam Splitter and Three Different Single-Slot PCNCs.Sensors (Basel, Switzerland) · 2016Article
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4 authors.
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Abstract
We theoretically demonstrate a low crosstalk ring-slot array structure used for label-free multiplexed sensing. The proposed sensors array is based on an array of three ring-slot and input/output line defect coupling waveguides. Each ring-slot cavity has slightly different cavity spacing and different resonant frequency. Results obtained using two dimensional finite-difference time-domain (2D-FDTD) simulation indicate that the resonant frequencies of each sensor unit in response to the refractive index variations are independent. The refractive index sensitivity is 134 ~ 145.5 nm/RIU (refractive index unit) and the Q factors more than 10(4) can be achieved. The calculated detect limit lower than 1.13 × 10(-4) RIU is obtained. In addition, an extremely small crosstalk lower than -25.8 dB is achieved among the array of three ring-slot cavities. The results demonstrate that this multiplexed sensor array is a promising platform for integrated optical devices and enables highly parallel label-free detection.
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