Patent ID: 8428399

Claim:
An optical module comprising: a first optical coupler including at least one input port and a first output port and a second output port; a second optical coupler including at least a first input port and a second input port, and at least one output port; a first optical waveguide, one end of which is coupled to the first output port and the other end of which is coupled to the first input port; a second optical waveguide one end of which is coupled to the second output port and the other end of which is coupled to the second input port; a first electrode provided on the first optical waveguide; a second electrode provided on the second optical waveguide; a short electrode shorter than the first and second electrodes and provided on the second optical waveguide; and a first high-frequency connector and a second high-frequency connector; wherein, the short electrode provided on the second optical waveguide is provided with a second high-frequency signal from the second high-frequency connector; and the first electrode provided on the first optical waveguide is provided with a first high-frequency signal from the first high-frequency connector.