DIFF Subgroup
H01S 5/06209 Full Title
Semiconductor lasers (superluminescent diodes H10H20/00) > Arrangements for controlling the laser output parameters, e.g. by operating on the active medium > by varying the potential of the electrodes (H01S5/065 takes precedence)
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.