Patent ID: 7455462

Claim:
A module-to-fiber connection, comprising: a fiber optic module and a fiber optic cable assembly, the fiber optic module comprising a ferrule interface having a port for receiving a ferrule from a fiber optic cable assembly, a window, an optoelectronic device directed at the window, and a first lens in contact with a structure that separates the first lens from a die supporting the optoelectronic device, the first lens having a first focus located at the optoelectronic device, the first lens, structure and optoelectronic device forming a void; and the fiber optic cable assembly, comprising: a fiber having a termination surface; and a ferrule comprising an injection molded piece defining ( 1 ) a groove for receiving the fiber and ( 2 ) a tip extending beyond the groove along the optical axis, the tip having a rearward directed curved second lens on a surface of the ferrule, the second lens having a second focus located at the termination surface of the fiber, wherein optical axes of the first and second lenses are substantially parallel when the ferrule is inserted into the port, an air gap separates the termination surface of the fiber and the rearward directed curved second lens, and light being substantially collimated between the first and second lenses.