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