Patent ID: 6556603
Filing Date: 2003-04-29
Classification: B82Y,H01S

Abstract:
A nitride-contained semiconductor laser element comprising:an Alx1Ga1âˆ’x1N (0.08&lE;x1&lE;0.2) lower clad layer; an active layer formed of an alternate multilayer structure including a well layer and a barrier layer; and an Alx2Ga1âˆ’x2N (0.08&lE;X2&lE;0.2) upper clad layer, wherein one or a plurality of Inp1Ga1âˆ’p1N (0.001&lE;p1&lE;0.2) buffer layer(s) of 200 nm or less in thickness being sandwiched in at least one of said lower and upper clad layers.