Wang, BowenDündar, Mehmet A.Nötzel, RichardKarouta, FouadHe, Sailingvan der Heijden, Rob W.2015-09-172015-09-170003-6951http://hdl.handle.net/1885/15464We present the design, fabrication, and photoluminescence experiment of InGaAsP photonic crystal slot nanobeam slow light waveguides with embedded InAs quantum dots. The strong confinement of electric field in the slot region is confirmed by the measured record high sensitivity of 7 x 10 (2) nm per refractive index unit RIU to the refractive index change of the environment. A cavity, formed by locally deflecting the two beams toward each other, gives an even higher sensitivity of about 9x10(2) nm/RIU.The authors acknowledge the support from the BrainBridge project ZJU-TU/e and Philips Research collaboration, AOARD, and the National Natural Science Foundation of China Grant No. 60907018.Publishers version/PDF may be used on author's personal website, institutional website or institutional repository: http://www.sherpa.ac.uk/romeo/issn/0003-6951 Copyright (2010) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters and may be found at 10.1063/1.3497296photonic crystal slot nanobeamslow light waveguidesrefractive index sensing2010-10-1110.1063/1.34972962015-12-10