In {TAIL ~ one embodiment} {HEAD ~ the light} is confined from both the internal and the external sides of the device forming a guiding channel or just by the external side forming a disk resonator 
In
In { TAIL ~ one embodiment } { HEAD ~ the light } is confined from both the internal and the external sides of the device forming a guiding channel or just by the external side forming a disk resonator
REL TAIL TAIL TAIL TAIL TAIL TAIL HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH