Patent ID: 7019907

Claim:
An integrated multi-channel transmitter for fiber optic applications, the transmitter comprising: a stacked array of lasers, the stacked array of lasers being coupled to a first lenslet array, the first lenslet array comprising a plurality of lenses with each lens coupled to an output of one of said lasers, the first lenslet array being disposed between the stacked array of lasers and an optical isolator, the isolator being disposed between the first lenslet array and a second lenslet array, the second lenslet array comprising a plurality of lenses with each lens coupled to an output of one of said lasers, the second lenslet array being disposed between the isolator and a chip comprising a plurality of modulators, each modulator coupled to the output of one of said lasers, the chip further comprising a coupler that receives the plurality of outputs from the modulators and combines them into a combined output signal.