{HEAD ~ The apparatus} further comprises {TAIL ~ means} for reducing net losses in the electromagnetic radiation propagating through the resonant cells, the means for reducing net losses comprising a plurality of quantum dots associated with each resonant cell 
comprises
{ HEAD ~ The apparatus } further comprises { TAIL ~ means } for reducing net losses in the electromagnetic radiation propagating through the resonant cells , the means for reducing net losses comprising a plurality of quantum dots associated with each resonant cell
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH OTH