A low drive voltage modulator has {HEAD ~ an electrical voltage input} electrically coupled to {TAIL ~ the electric field antenna}, a light input, and a modulated light output 
electrically coupled to
A low drive voltage modulator has { HEAD ~ an electrical voltage input } electrically coupled to { TAIL ~ the electric field antenna } , a light input , and a modulated light output
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH