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Fig. 6 | eLight

Fig. 6

From: Prospects and applications of on-chip lasers

Fig. 6

Silicon photonic sensors for chemical and biological analysis. Spectroscopic sensing, a The fully integrated packaged silicon photonic CH4 sensor. Adapted with permission from [129], copyright 2017, OPG. b The Chip-scale Sarin gas silicon photonics sensor. Adapted with permission from [126], copyright 2019, SPIE. c Wearable silicon photonics biomarker monitor based on Raman spectroscopy. Image credit: Rockley [130]. Refractive-index-based sensing. d Genalyte’s biosensor based on microring arrays. Adapted with permission from [131], copyright 2015, ACS. e A nanophotonic biosensor based on the BiMW interferometer. Adapted with permission from [132], copyright 2021, IOP. f An integrated photonic biosensor prototype for cancer diagnosis Image credit: PHIX [133]

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