Combinations of {HEAD ~ optically coupled Generalized Mach Zehnder Interferometers} result in {TAIL ~ switches} of greater switching capacity than an isolated GMZI 
Combinations of { HEAD ~ optically coupled Generalized Mach Zehnder Interferometers } result in { TAIL ~ switches } of greater switching capacity than an isolated GMZI
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH