Patent ID: 9385830
Filing Date: 2016-07-05
CPC Classification: H04B,H04J

Claim Text:
1. A transmitter module, comprising: a plurality of laser diodes (LDs) each emitting an optical beam attributed to a wavelength specific thereto and different from others; a driver that includes a plurality of driving circuits corresponding to respective LDs, the driving circuits driving the respective LDs, the driver having RF pads and DC pads; a top carrier that mounts a plurality of inductors each providing bias currents to respective LDs, the top carrier being mounted on the driver as interposing a spacer therebetween; and a box-shaped housing for enclosing the LDs, the driver, and the top carrier therein, wherein the box-shaped housing provides RF terminals and DC terminals commonly in a side wall of the box-shaped housing, and wherein the driver has a square plane shape with four edges, one of the four edges facing the side wall and another one of the four edges extending in parallel to the one of the four edges providing only the RF pads, two of the four edges intersecting the one of the four edges and the another one of the four edges providing only the DC pads.