SEMICONDUCTOR LASER DIODE HAVING ASYMMETRIC SCH STRUCTURE AND FABRICATING METHOD THEREOF, IN WHICH AN inGaAsp LAYER IS INSERTED INTO THE FIRST N-TYPE SCH LAYER

摘要

PURPOSE: A semiconductor laser diode having an asymmetric SCH(Separate-Confinement Hetero) structure and a fabricating method thereof are provided to improve a thermal characteristic and an optical characteristic by reducing internal loss due to inserting a p-InP layer. CONSTITUTION: An n-type cladding layer(220) is formed on a substrate. An n-type second SCH layer(218) is formed on the n-type cladding layer. The first n-type SCH layer(210) is formed on the second SCH layer. An active layer(212) is formed on the first n-type SCH layer. The first p-type SCH layer(208) is formed on the active layer. The first insertion layer(206) is formed on the p-type first SCH layer. A p-type second SCH layer(204) is formed on the first insertion layer. A p-type cladding layer(202) is formed on the p-type second SCH layer.