Optics Express · 2015 · 61 citations · 18 references
EngineeringChemistryMaterials SciencePhotonicsSensorsSpectroscopyChemical SensorsGas SensorsOptical DetectorsOptical SensorsGas SensingIntegrated Optical SensorsMach-zehnder InterferometersMethaneMethane DetectionRib WaveguidesSensitivity EnhancementSupramolecular Interactions
rib waveguides, results in a detection limit as low as 17 ppm. This is 1-2 orders of magnitude lower than typically achieved with chip-scale low-cost sensors.
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