Patent ID: 7706421

Claim:
An optical transmit assembly comprising: an electro-optic transducer die that emits light when current is passed through the electro-optic transducer die, the electro-optic transducer die including: an optically emissive PN junction a top surface; at least one electrical contact patterned on the top surface for applying a control current through the PN junction to control optical emissions from the PN junction; a bottom surface; a temperature sensor patterned directly on a surface of the electro-optic transducer die such that the temperature sensor is closely positioned to the PN junction; one or more electrical connections patterned on a surface of the electro-optical transducer die for establishing an electrical connection to determine a temperatures sensed by the temperature sensor; and a substrate, wherein the electro-optic transducer is mounted on the substrate, wherein the surface of the electro-optic transducer to which the temperature sensor is patterned is most distant from the substrate.