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