公开(公告)号：US20240162688A1

公开(公告)日：2024-05-16

申请号：US17510144

申请日：2021-10-25

Applicant: META PLATFORMS TECHNOLOGIES, LLC

Inventor： Rama Krishna KAMBHAMPATI ,  Jonatan GINZBURG

IPC: H01S5/42 ,  H01S5/183 ,  H01S5/34

CPC classification number: H01S5/426 ,  H01S5/18361 ,  H01S5/3421

Abstract: Various embodiments set forth a light-emitting device that includes: a single die formed from a portion of a semiconductor substrate; a first vertical cavity surface-emitting laser (VCSEL) that is formed from a first set of material layers disposed on the single die; and a second VCSEL that is formed from a second set of material layers disposed on the first set of material layers, wherein the first set of material layers are disposed between the portion of the semiconductor substrate and the second set of material layers.

公开(公告)号：US20230246423A1

公开(公告)日：2023-08-03

申请号：US17698630

申请日：2022-03-18

Applicant: META PLATFORMS TECHNOLOGIES, LLC

Inventor： Jonatan GINZBURG ,  Rama Krishna KAMBHAMPATI

IPC: H01S5/42 ,  H01S5/026 ,  H01S5/183

CPC classification number: H01S5/423 ,  H01S5/0262 ,  H01S5/18377

Abstract: Various embodiments set forth a light-emitting device, comprising a single die formed from a portion of a semiconductor substrate of a first conductivity type, a first vertical cavity surface-emitting laser (VCSEL) that is formed from a set of material layers disposed on a surface of the portion of the semiconductor substrate. and a first photodiode that is formed at the surface of the portion of the semiconductor substrate.