Patent ID: 6748001
Filing Date: 2004-06-08
Classification: G11B,H01S

Abstract:
A semiconductor laser device comprising:first and second laser units each having a ridge type structure and including a multilayer structure having an active layer, an n-type and p-type semiconductor layers sandwiching said active layer, therebetween, a p-side electrode and an n-side electrode, wherein the ridge portions of said first and second laser units face each other side at surfaces of said ridge portion and the p-side electrode of the first laser unit is electrically connected to the n-side electrode of the second laser unit and the n-side electrode of the first unit is electrically connected to the p-side electrode of the second laser unit. a first connecting layer interconnecting said p-side electrode of the first laser unit and said n-side electrode of the second laser unit; and a second connecting layer interconnecting between said p-side electrode of the second laser unit and said n-side electrode of the first laser unit.