公开(公告)号：US20200350746A1

公开(公告)日：2020-11-05

申请号：US16947086

申请日：2020-07-17

Applicant: Lumentum Operations LLC

Inventor： Albert YUEN ,  Ajit Vijay BARVE

IPC: H01S5/42 ,  H01S5/042 ,  H01S5/028

Abstract: An emitter array may comprise a plurality of emitters that includes two adjacent emitters. The emitter array may comprise a plurality of emitters that includes two adjacent emitters. The ohmic metal layer may include a portion that is shared by, and located between, the two adjacent emitters. The emitter array may comprise a protective layer over the ohmic metal layer. The emitter array may comprise a via through the protective layer to the portion. The via is shared by, and located between, the two adjacent emitters.

公开(公告)号：US20200321754A1

公开(公告)日：2020-10-08

申请号：US16795172

申请日：2020-02-19

Applicant: Lumentum Operations LLC

Inventor： Eric R. HEGBLOM ,  Albert YUEN

IPC: H01S5/42 ,  H01S5/183 ,  H01S5/02

Abstract: An emitter may include a substrate, a conductive layer on at least a bottom surface of a trench, and a first metal layer to provide a first electrical contact of the emitter on an epitaxial side of the substrate. The first metal layer may be within the trench such that the first metal layer contacts the conductive layer within the trench. The emitter may further include a second metal layer to provide a second electrical contact of the emitter on the epitaxial side of the substrate, and an isolation implant to block lateral current flow between the first electrical contact and the second electrical contact.

公开(公告)号：US20200313401A1

公开(公告)日：2020-10-01

申请号：US16517405

申请日：2019-07-19

Applicant: Lumentum Operations LLC

Inventor： Albert YUEN

IPC: H01S5/42

Abstract: A device includes a substrate, a first vertical cavity surface emitting laser (VCSEL) array on the substrate, a second VCSEL array on the substrate and adjacent to the first VCSEL array, and an isolation structure between the first VCSEL array and the second VCSEL array. The isolation structure provides electrical isolation between the first VCSEL array and the second VCSEL array.

公开(公告)号：US20190097397A1

公开(公告)日：2019-03-28

申请号：US15716139

申请日：2017-09-26

Applicant: Lumentum Operations LLC

Inventor： Albert YUEN ,  Ajit Vijay BARVE

IPC: H01S5/42 ,  H01S5/026

CPC classification number: H01S5/423 ,  H01S5/024 ,  H01S5/02461 ,  H01S5/026 ,  H01S5/0425 ,  H01S5/18311

Abstract: In some implementations, a VCSEL array may include a plurality of VCSELs that each operates concurrently and emits light at a same wavelength. A first distance between a first pair of adjacent VCSELs, of the plurality of VCSELs, may be different from a second distance between a second pair of adjacent VCSELs of the plurality of VCSELs. The first pair of adjacent VCSELs may be located closer to a center of the VCSEL array than the second pair of adjacent VCSELs. At least one of temperature non-uniformity or optical power non-uniformity among the plurality of VCSELs may be reduced as compared to another VCSEL array, with a same physical footprint as the VCSEL array, comprising uniformly spaced VCSELs.

公开(公告)号：US20250070535A1

公开(公告)日：2025-02-27

申请号：US18508468

申请日：2023-11-14

Applicant: Lumentum Operations LLC

Inventor： Albert YUEN

IPC: H01S5/183 ,  H01S5/042 ,  H01S5/42

Abstract: In some implementations, an optical module includes a plurality of bottom-emitting vertical cavity-surface emitting lasers (VCSELs), a plurality of anodes corresponding to and connected to the plurality of VCSELs; and a single cathode connected to the plurality of optical emitters, wherein the single cathode is paired with each anode of the plurality of anodes.

公开(公告)号：US20240348014A1

公开(公告)日：2024-10-17

申请号：US18336546

申请日：2023-06-16

Applicant: Lumentum Operations LLC

Inventor： Chien-Yao LU ,  Albert YUEN ,  Shibajyoti GHOSH DASTIDER ,  Yeyu ZHU

IPC: H01S5/183 ,  H01S5/042

CPC classification number: H01S5/18311 ,  H01S5/042 ,  H01S5/18322 ,  H01S5/18347

Abstract: A vertical-cavity surface-emitting laser (VCSEL) device includes a first distributed Bragg reflector (DBR) minor; a second DBR minor arranged on the first DBR mirror; an active layer arranged between the first DBR mirror and the second DBR mirror; and an oxidation layer arranged between the active layer and the second DBR mirror. The oxidation layer comprises an oxide aperture formed through the oxidation layer. A plurality of segmented oxidation trenches are arranged around an area in which the oxide aperture is formed and extend into the stacked structure to expose the oxidation layer for oxidation that forms the oxide aperture. A plurality of plating islands are spatially separated from each other. Each plating island vertically extends into a respective segmented oxidation trench of the plurality of segmented oxidation trenches and seals the respective segmented oxidation trench in order to prevent further oxidation of the oxidation layer.

公开(公告)号：US20240195506A1

公开(公告)日：2024-06-13

申请号：US18172924

申请日：2023-02-22

Applicant: Lumentum Operations LLC

Inventor： Albert YUEN

IPC: H04B10/2581 ,  H01S5/42

CPC classification number: H04B10/2581 ,  H01S5/423

Abstract: An optical data communication device includes a plurality of emitters. The plurality of emitters are configured to emit respective laser beams that are associated with a same spectral range and that are to couple into an input end of a multi-mode optical fiber. A size of an oxide aperture of each emitter, of the plurality of emitters, is less than or equal to 3.5 micrometers. Each emitter is a single-mode emitter or a reduced-mode emitter. A pitch between adjacent emitters is less than or equal to 30 micrometers. The plurality of emitters are disposed in a configuration pattern, wherein a central region of the configuration pattern does not include any emitter of the plurality of emitters.

公开(公告)号：US20230163557A1

公开(公告)日：2023-05-25

申请号：US18151505

申请日：2023-01-09

Applicant: Lumentum Operations LLC

Inventor： Albert YUEN

IPC: H01S5/02255 ,  H01S5/42 ,  H01S5/183 ,  H01S5/02253 ,  H01S5/02257 ,  H01S5/02

CPC classification number: H01S5/02255 ,  H01S5/423 ,  H01S5/18361 ,  H01S5/02253 ,  H01S5/02257 ,  H01S5/18305 ,  H01S5/0207

Abstract: A vertical cavity surface emitting laser (VCSEL) may include a substrate layer, epitaxial layers on the substrate layer, and angled reflectors configured to receive an optical beam emitted toward a bottom surface of the VCSEL and redirect the optical beam through an exit window in a top surface of the VCSEL. In some implementations, the angled reflectors may be formed in the substrate layer. Additionally, or alternatively, the VCSEL may include molded optics, where the molded optics include the angled reflectors. In some implementations, the exit window may include an integrated lens.

公开(公告)号：US20200335943A1

公开(公告)日：2020-10-22

申请号：US16725400

申请日：2019-12-23

Applicant: Lumentum Operations LLC

Inventor： Pengfei QIAO ,  Chien-Yao LU ,  Albert YUEN

IPC: H01S5/183 ,  H01S5/022

Abstract: A vertical cavity surface emitting laser (VCSEL) may include a top contact, wherein the top contact is associated with a particular shape, and wherein the particular shape is a toothed shape with a particular quantity of teeth. The VCSEL may include at least one implanted region. The VCSEL may include at least one top contact segment.

公开(公告)号：US20190305522A1

公开(公告)日：2019-10-03

申请号：US16363753

申请日：2019-03-25

Applicant: Lumentum Operations LLC

Inventor： Albert YUEN ,  Ajit Vijay BARVE

IPC: H01S5/42 ,  H01S5/042 ,  H01S5/028

Abstract: An emitter array may comprise a plurality of emitters that includes two adjacent emitters. The emitter array may comprise a plurality of emitters that includes two adjacent emitters. The ohmic metal layer may include a portion that is shared by, and located between, the two adjacent emitters. The emitter array may comprise a protective layer over the ohmic metal layer. The emitter array may comprise a via through the protective layer to the portion. The via is shared by, and located between, the two adjacent emitters.