One may form the CTSL as part of a field effect transistor wherein the CTSL is part of the FET gate or form the CTSL as {HEAD ~ the cladding layers} of a quantum wire laser having {TAIL ~ a GaAs active layer} 
One may form the CTSL as part of a field effect transistor wherein the CTSL is part of the FET gate or form the CTSL as { HEAD ~ the cladding layers } of a quantum wire laser having { TAIL ~ a GaAs active layer }
OTH OTH 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 HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL