Liang, FengClarke, NigelPatel, ParthLoncar, MarkoQuan, Qimin2019-10-032013Liang, Feng, Nigel Clarke, Parth Patel, Marko Loncar, and Qimin Quan. 2013. “Scalable Photonic Crystal Chips for High Sensitivity Protein Detection.” Optics Express 21 (26): 32306. https://doi.org/10.1364/oe.21.032306.1094-4087http://nrs.harvard.edu/urn-3:HUL.InstRepos:41461262Scalable microfabrication technology has enabled semiconductor and microelectronics industries, among other fields. Meanwhile, rapid and sensitive bio-molecule detection is increasingly important for drug discovery and biomedical diagnostics. In this work, we designed and demonstrated that photonic crystal sensor chips have high sensitivity for protein detection and can be mass-produced with scalable deep-UV lithography. We demonstrated label-free detection of carcinoembryonic antigen from pg/mL to mu g/mL, with high quality factor photonic crystal nanobeam cavities.en-USJournal Article2019-10-0310.1364/OE.21.032306