CPC Subgroup
H01S 5/0428 Full Title
Semiconductor lasers (superluminescent diodes H10H20/00) > Processes or apparatus for excitation, e.g. pumping, (H01S5/06 takes precedence) > Electrical excitation
H01S 5/0428 Semiconductor lasers (superluminescent diodes H10H20/00) > Processes or apparatus for excitation, e.g. pumping, (H01S5/06 takes precedence) > Electrical excitation