Photodiode integrated edge emitting laser for heat assisted magnetic recording

摘要

Embodiments disclosed herein generally relate to a magnetic recording device including slider, a magnetic head assembly and a laser diode having a photodiode integrated therein. The photodiode and the laser diode are both fabricated on a structure. Having the integrated laser diode and photodiode reduces the cost relating to fabricating individual, discrete photodiode and assembling the individual, discrete photodiode on the magnetic recording device.

主权项

1. A magnetic recording device, comprising:
a slider; a magnetic head assembly coupled to the slider; a submount disposed over the slider and the magnetic head assembly; and a structure coupled to the submount, wherein the structure is disposed over the magnetic head assembly, and wherein the structure includes:
a laser diode having a substrate; anda photodiode, wherein the photodiode shares the substrate with the laser diode, and wherein the substrate is distinct from the magnetic head assembly and the submount, wherein the magnetic head assembly includes a magnetic write head having a trailing surface, the substrate has a surface with a largest surface area, and the surface with the largest surface area is substantially parallel to the trailing surface.