Patent ID: 6617618
Filing Date: 2003-09-09
Classification: H01L,H01S

Abstract:
A light emitting semiconductor device, comprising:a lower cladding layer of AlzGa1-zAs (0a lower light guide layer of AlzGa1-zAs (0a lower spacing layer having a thickness of about 2 nm, comprising at least one molecular layer of GaAs; a GaxIn1-xNyAs1-y (0&lE;x&lE;1 and 0an upper spacing layer having a thickness of about 2 nm, comprising at least one molecular layer of GaAs; an upper light guide layer of AlzGa1-zAs (0an upper cladding layer of AlzGa1-zAs (0each grown on a semiconductor substrate in the order above recited, wherein at least the lower and upper spacing layers directly contact the active layer.