Patent ID: 6625369
Filing Date: 2003-09-23
Classification: G02B

Abstract:
An optical receiver and transmitter module comprising:a substrate having a surface, a receiver unit and a transmitter unit both of which are mounted on the surface of the substrate, a receiving optical waveguide located at the surface of the substrate and extending from the receiver unit, and a transmitting optical waveguide located at the surface of the substrate and extending from the transmitter unit, wherein a first unit selected among the receiver unit and the transmitter unit has a groove formed in a bottom surface of the first unit, a first waveguide of the set of the receiving optical waveguide and the transmitting optical waveguide extending from the first unit, a second waveguide of the set of the receiving optical waveguide and the transmitting optical waveguide extending from a second unit selected among the receiver unit and the transmitter unit, the second unit being different from the first unit, the second waveguide passing the first unit in the groove.