Patent ID: 7044654
Filing Date: 2006-05-16
Classification: G02B

Abstract:
1. An optical transmission module comprising: a stem as a base; a mount member provided substantially perpendicularly to the stem; a light emitting device mounted at a predetermined position on the mount member and configured to emit light along an axis of emission and forward in an opposite direction to the stem; light outputting means disposed on the forward side of the light emitting device and configured to output the light emitted from the light emitting device, as an optical signal; and a monitor light receiving device mounted on the mount member at a position off the optical axis of the optical transmission module and closer to the light outputting means than the light emitting device, the monitor light receiving device configured to detect part of the light emitted from the light emitting device; wherein the light outputting means has an optical waveguide for guiding the light emitted from the light emitting device, and a lens disposed between the light emitting device and the optical waveguide and making the light from the light emitting device enter the optical waveguide.