公开(公告)号：US20230258774A1

公开(公告)日：2023-08-17

申请号：US17662690

申请日：2022-05-10

Applicant: Lumentum Operations LLC

Inventor： Barrie P. KEYWORTH ,  Eric R. HEGBLOM ,  John Michael MILLER

IPC: G01S7/481 ,  H01S5/183

CPC classification number: G01S7/4815 ,  G01S7/4817 ,  G01S7/4816 ,  H01S5/18388

Abstract: In some implementations, an optical system includes an emitter array including a plurality of emitters. The plurality of emitters are arranged in a plurality of channels and the emitter array is configured to illuminate on a per-channel basis. Respective positions of emitters, of the plurality of emitters, of a channel, of the plurality of channels, vary across a width of the channel. The optical system includes a lens to receive light from the emitter array and a diffuser to receive light from the lens. The diffuser is configured to diffuse light along a length of the plurality of channels of the emitter array. The optical system includes a corrective optical element to receive light from the diffuser.

公开(公告)号：US20230146243A1

公开(公告)日：2023-05-11

申请号：US18054969

申请日：2022-11-14

Applicant: Lumentum Operations LLC

Inventor： Jiamin ZHENG ,  Barrie P. KEYWORTH ,  Wenlin JIN

IPC: G01S7/481 ,  G02B26/10

CPC classification number: G01S7/4817 ,  G02B26/101

Abstract: An optical device may include a lens system. The optical device may include a first scanning component to receive an optical beam and to scan the lens system with the optical beam. The optical device may include a second scanning component to receive the optical beam from the lens system and to scan a field of view with the optical beam, where the lens system is positioned between the first scanning component and the second scanning component. The lens system may include a beam expander.

公开(公告)号：US20210063776A1

公开(公告)日：2021-03-04

申请号：US16789678

申请日：2020-02-13

Applicant: Lumentum Operations LLC

Inventor： Michael C. LARSON ,  Shibnath PATHAK ,  Barrie P. KEYWORTH

IPC: G02F1/01 ,  H01S5/50 ,  G02F1/225 ,  G01S7/4861

Abstract: An optical device may comprise a laser configured to generate an optical beam and a Mach-Zehnder Interferometer (MZI) configured to amplify the optical beam. The MZI may comprise a first coupler and a second coupler connected via a plurality of arms of the MZI. An arm, of the plurality of arms, may provide an optical path for part of the optical beam and may comprise a semiconductor optical amplifier (SOA) configured to amplify the part of the optical beam and a phase shifter configured to adjust a phase of the part of the optical beam.

公开(公告)号：US20210063550A1

公开(公告)日：2021-03-04

申请号：US16673197

申请日：2019-11-04

Applicant: Lumentum Operations LLC

Inventor： Srikanth RAMAKRISHNAN ,  Barrie P. KEYWORTH

IPC: G01S7/491 ,  G01S7/493 ,  H03M1/12

Abstract: A light detection and ranging (lidar) receiver may include a first frequency filter to pass a first range of frequencies of an analog signal. The lidar receiver may include a second frequency filter to pass a second range of frequencies of the analog signal that is different from the first range of frequencies of the analog signal. The lidar receiver may include a first analog-to-digital converter (ADC) to derive a first digital signal based on the first range of frequencies of the analog signal using a first sampling rate. The lidar receiver may include a second ADC to derive a second digital signal based on the second range of frequencies of the analog signal using a second sampling rate that is different from the first sampling rate.

公开(公告)号：US20210063542A1

公开(公告)日：2021-03-04

申请号：US16725603

申请日：2019-12-23

Applicant: Lumentum Operations LLC

Inventor： Jiamin ZHENG ,  Barrie P. KEYWORTH ,  Wenlin JIN

IPC: G01S7/481 ,  G02B26/10

Abstract: An optical device may include a lens system. The optical device may include a first scanning component to receive an optical beam and to scan the lens system with the optical beam. The optical device may include a second scanning component to receive the optical beam from the lens system and to scan a field of view with the optical beam, where the lens system is positioned between the first scanning component and the second scanning component. The lens system may include a beam expander.

公开(公告)号：US20210063541A1

公开(公告)日：2021-03-04

申请号：US16685409

申请日：2019-11-15

Applicant: Lumentum Operations LLC

Inventor： Jiamin ZHENG ,  Barrie P. KEYWORTH ,  Josh P. KEMP ,  Michael C. LARSON ,  Paul COLBOURNE

IPC: G01S7/481 ,  G01S7/499 ,  G01S17/32 ,  G01S7/491 ,  G02B27/28 ,  G02B6/12 ,  H04J14/06 ,  H04J14/02

Abstract: An optical device may include a laser component to emit a source beam and an optical component to split the source beam to generate a first beam and a second beam. The optical device may include a multiplexing component to multiplex the first beam and the second beam to form a first multiplexed beam, an optical system to receive the first multiplexed beam and demultiplex the first beam and the second beam, and a scanning component to scan a field of view with the first beam and the second beam and receive the first beam and the second beam reflected from the field of view. The optical system may multiplex the first beam and the second beam reflected from the field of view to form a second multiplexed beam, and a demultiplexing component may demultiplex the first beam and the second beam reflected from the field of view.

公开(公告)号：US20190245316A1

公开(公告)日：2019-08-08

申请号：US15889736

申请日：2018-02-06

Applicant: Lumentum Operations LLC

Inventor： Jiamin ZHENG ,  Barrie P. KEYWORTH ,  Paul COLBOURNE ,  Dhanorm PLUMWONGROT ,  Gareth Jones ,  Sheldon MCLAUGHLIN

IPC: H01S3/067 ,  H01S3/00 ,  G02B26/08 ,  H01S3/23 ,  H01S3/081 ,  H01S3/13 ,  H01S3/10 ,  G02B27/09 ,  H01S3/02

CPC classification number: H01S3/06766 ,  G02B26/0833 ,  G02B27/0955 ,  H01S3/0078 ,  H01S3/025 ,  H01S3/0811 ,  H01S3/1003 ,  H01S3/1302 ,  H01S3/1305 ,  H01S3/1608 ,  H01S3/2308

Abstract: An optical device may include a package having a first port for receiving signal light, a source for providing pump light, a combiner for combining the signal light and the pump light into combined light, a second port for sending the combined light, a third port for receiving amplified light, and a free-space optical system for filtering amplified signal light from the amplified light, and a fourth port for sending the amplified signal light. The free-space optical system may include beam shaping optics that enlarge a beam size of the amplified light prior to the filtering.