A surface-emitting laser module comprising: a surface-emitting laser formed on a substrate and configured to emit light perpendicular to a surface thereof; a package; and a transparent substrate, wherein the transparent substrate is slanted to the surface of the substrate having the surface-emitting laser formed thereon in a polarization direction of the light emitted from the surface-emitting laser; characterized in that: the package includes a recess portion in which the substrate having the surface-emitting laser formed thereon is arranged; the transparent substrate is arranged to cover the recess portion of the package together with the substrate having the surface-emitting laser formed thereon located in the recess portion of the package such that the transparent substrate and the package are connected to each other on a light emitting side of the surface-emitting laser; and a high reflectance region having a high reflectance of the light emitted from the surface-emitting laser and a low reflectance region having a low reflectance of the light emitted therefrom are formed within a region enclosed by an electrode formed on an upper part of a mesa of the surface-emitting laser, wherein the high reflectance region and the low reflectance region formed within the region enclosed by the electrode on the upper part of the mesa of the surface-emitting laser are arranged to determine the polarization direction. a surface-emitting laser formed on a substrate and configured to emit light perpendicular to a surface thereof; a package; and a transparent substrate, wherein the transparent substrate is slanted to the surface of the substrate having the surface-emitting laser formed thereon in a polarization direction of the light emitted from the surface-emitting laser; characterized in that: the package includes a recess portion in which the substrate having the surface-emitting laser formed thereon is arranged; the transparent substrate is arranged to cover the recess portion of the package together with the substrate having the surface-emitting laser formed thereon located in the recess portion of the package such that the transparent substrate and the package are connected to each other on a light emitting side of the surface-emitting laser; and a high reflectance region having a high reflectance of the light emitted from the surface-emitting laser and a low reflectance region having a low reflectance of the light emitted therefrom are formed within a region enclosed by an electrode formed on an upper part of a mesa of the surface-emitting laser, wherein the high reflectance region and the low reflectance region formed within the region enclosed by the electrode on the upper part of the mesa of the surface-emitting laser are arranged to determine the polarization direction. the package includes a recess portion in which the substrate having the surface-emitting laser formed thereon is arranged; the transparent substrate is arranged to cover the recess portion of the package together with the substrate having the surface-emitting laser formed thereon located in the recess portion of the package such that the transparent substrate and the package are connected to each other on a light emitting side of the surface-emitting laser; and a high reflectance region having a high reflectance of the light emitted from the surface-emitting laser and a low reflectance region having a low reflectance of the light emitted therefrom are formed within a region enclosed by an electrode formed on an upper part of a mesa of the surface-emitting laser, wherein the high reflectance region and the low reflectance region formed within the region enclosed by the electrode on the upper part of the mesa of the surface-emitting laser are arranged to determine the polarization direction.