Patent ID: 7255491
Filing Date: 2007-08-14
Classification: G02B

Abstract:
1. An optical module, comprising: a semiconductor laser diode; a ferrule assembly including a ferrule for securing an optical fiber and a holder for securing said ferrule, said holder has a groove for securing said ferrule and a pair of surfaces each sandwiching said groove; a container having a primary surface and a depression with an opening, a bottom and two side surfaces, said primary surface including a mounting region and a pair of regions surrounding said depression, said mounting region mounting said laser diode and being in opposite to said opening, said pair regions facing said pair surfaces of said holder; and a base including first and second regions and a step formed between said first and second regions to lower said first region against said second region, said first region installing said container and said second region mounting a photodiode for detecting light emitted from said laser diode such that a side of said container butts against said step, wherein said ferrule, when said pair of surfaces of said holder is foxed to said pair of regions of said container, is set within said depression with gaps against said bottom and two side surfaces of said container to optically align said optical fiber with said laser diode.