Patent ID: 6301281
Filing Date: 2001-10-09
Classification: H01S

Abstract:
A semiconductor laser device comprising:an active layer having opposing sides;a first reflective structure disposed on one side of the active layer, the first reflective structure including,a first layer, having a first index of refraction, being made of a first semiconductor compound including a first dopant, anda second layer, having a second index of refraction, being made of a second semiconductor compound including a second dopant, the second dopant being different from the first dopant; anda second reflective structure disposed on the side of the active layer opposite to one side, the second reflective structure including,a first layer, having a first index of refraction and being made of a first semiconductor compound including a first dopant, anda second layer, having a second index of refraction and being made of a second semiconductor compound including a second dopant, the second dopant being different from the first dopant.