| abstract |
Methods, systems, and devices are disclosed for implementing an ultra-sensitive micro-Raman spectrometer based on high confinement nanometer-scale photonic structures, which can enhance the sensitivity while maintaining an extremely compact size. In one aspect, a portable, ultra-sensitive, chip-scale system for performing sensing and identification on liquid and gaseous samples based on Raman spectroscopy is disclosed. The disclosed chip-scale system can be especially useful for biosensing including glucose sensing and monitoring (e.g., finding concentrations of glucose in complex body fluids like blood, urine, or saliva). For example, in implementations for glucose monitoring, the disclosed technology can make an impact that not only provides relief from the typical required "finger prick" for blood sampling, but also provides an easy-to-use device that diabetics and other people in need of glucose monitoring (and eventually other types of monitoring) can use. |