The resonator structure can be used in various applications, such as optical filters, lasers, modulators, spectrum analyzers, wavelockers, {HEAD ~ interleave filters}, and {TAIL ~ optical add drop multiplexers} 
The resonator structure can be used in various applications , such as optical filters , lasers , modulators , spectrum analyzers , wavelockers , { HEAD ~ interleave filters } , and { TAIL ~ optical add drop multiplexers }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL