Sub-wavelength grating for enhanced ring resonator biosensor Flueckiger, Jonas ; Schmidt, Shon ; Donzella, Valentina ; Sherwali, Ahmed ; Ratner, Daniel M. ; Chrostowski, Lukas ; Cheung, Karen C. Abstract Publication: Optics Express Pub Date: July 2016 DOI: 10.1364/OE.24.015672 Bibcode: 2016OExpr..2415672F