The optical isolator element may be formed with a rectangular configuration in conformity to {HEAD ~ the arranged form} of {TAIL ~ a plurality} of laser active regions of a laser array 
of
The optical isolator element may be formed with a rectangular configuration in conformity to { HEAD ~ the arranged form } of { TAIL ~ a plurality } of laser active regions of a laser array
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH