Optical module with thermoelectric cooler having shaped mounting part

An optical module, comprising:

• a housing;
• a thermoelectric cooler, disposed in the housing, wherein the thermoelectric cooler comprises a cold end, a hot end, a plurality of thermoelectric material components, and a conductive terminal, the plurality of thermoelectric material components couple the cold end to the hot end, and the conductive terminal is coupled to at least one of the plurality of thermoelectric material components;
• an optical transmitter assembly;
• and
• an electrical feedthrough, coupled to the housing, wherein the optical transmitter assembly is electrically coupled to the electrical feedthrough;
• wherein the thermoelectric cooler further comprises a protrusion part extending from an edge of the cold end, the protrusion part is disposed between the cold end and the electrical feedthrough, and the conductive terminal is disposed between the cold end and the electrical feedthrough and spaced apart from the protrusion part.

An optical module, comprising:

• an optical coupler;
• an optical transmitter assembly, optically coupled to the optical coupler;
• a thermoelectric cooler, comprising a cold end, a hot end and a plurality of thermoelectric material components, wherein the plurality of thermoelectric material components couples the cold end to the hot end;
• and
• an electrical feedthrough, electrically coupled to the optical transmitter assembly;
• wherein the thermoelectric cooler further comprises a protrusion part extending from an edge of the cold end, the protrusion part is disposed between the cold end and the electrical feedthrough, a part of the optical transmitter assembly is disposed at the cold end, and another part of the optical transmitter assembly is disposed at the protrusion part.