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