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1.
公开(公告)号:US20170078040A1
公开(公告)日:2017-03-16
申请号:US15265490
申请日:2016-09-14
Applicant: Lumentum Operations LLC
Inventor: Paul COLBOURNE
IPC: H04J14/02 , G02B6/14 , G02B6/35 , H04Q11/00 , H04B10/2581
CPC classification number: H04J14/0212 , G02B6/14 , G02B6/3512 , G02B6/3548 , G02B6/356 , H04B10/2581 , H04J14/04 , H04Q11/0005 , H04Q11/0066 , H04Q2011/0016 , H04Q2011/0026
Abstract: A wavelength selective switch (WSS) may include a front-end unit that includes an input few-mode fiber (FMF) providing an input optical signal including multiple wavelengths. The multiple wavelengths may each have N modes. The front-end unit may include two or more output few-mode fibers (FMFs), and a side that has a 1×N port for each of the input FMF and the two or more output FMFs. Each of the 1×N ports may be single mode in a wavelength dispersion dimension and N-mode in a switching dimension. The WSS may include a switching element to receive the input optical signal from the front-end unit, switch each of the multiple wavelengths of the input optical signal to form one or more output optical signals, and direct each of the one or more output optical signals to a corresponding 1×N port of the front-end unit.
Abstract translation: 波长选择开关(WSS)可以包括前端单元,其包括提供包括多个波长的输入光信号的输入多模光纤(FMF)。 多个波长可以各自具有N个模式。 前端单元可以包括两个或多个输出的多模光纤(FMF),以及对于每个输入FMF和两个或更多个输出FMF具有1×N端口的一侧。 1×N端口中的每一个可以是波长色散维度中的单模式和开关维度中的N模式。 WSS可以包括用于接收来自前端单元的输入光信号的开关元件,切换输入光信号的多个波长中的每一个以形成一个或多个输出光信号,并且使一个或多个输出光信号 信号到前端单元的相应1×N端口。
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公开(公告)号:US20160282563A1
公开(公告)日:2016-09-29
申请号:US15087364
申请日:2016-03-31
Applicant: Lumentum Operations LLC
Inventor: Barrie KEYWORTH , Paul COLBOURNE
CPC classification number: G02B6/3594 , G02B6/272 , G02B6/2766 , G02B6/29305 , G02B6/32 , G02B6/3512 , G02B6/3514 , G02B6/3518 , G02B6/3534 , G02B6/3546 , G02B6/3556 , G02B6/356
Abstract: The number of wavelength selective switch (WSS) units in a WSS device can be doubled by using polarization properties of optical beams propagating through the WSS device. Beams from different WSS units are orthogonally polarized at the front end, propagated through collimator, wavelength dispersing element, and a focusing element, and impinge on a polarizing beamsplitter, which directs sub-beams at different polarizations to different directing elements of a director array. A polarization diversity configuration at the back end can be used to reduce polarization dependent loss.
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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
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.
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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.
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公开(公告)号:US20170302051A1
公开(公告)日:2017-10-19
申请号:US15132797
申请日:2016-04-19
Applicant: Lumentum Operations LLC
Inventor: Wei XIONG , Michael C. LARSON , Paul COLBOURNE , Sheldon MCLAUGHLIN
CPC classification number: H01S3/1305 , H01S3/005 , H01S3/08027 , H01S3/08036 , H01S3/0811 , H01S3/10061 , H01S3/1062 , H01S3/1303 , H01S5/005 , H01S5/0687 , H01S5/141
Abstract: A device may include a first photodetector to generate a first current based on an optical power of an optical beam. The device may include a beam splitter to split a portion of the optical beam into a first beam and a second beam. The device may include a wavelength filter to filter the first beam and the second beam. The wavelength filter may filter the second beam differently than the first beam based on a difference between an optical path length of the first beam and an optical path length of the second beam through the wavelength filter. The device may include second and third photodetectors to respectively receive, after the wavelength filter, the first beam and the second beam and to generate respective second currents.
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公开(公告)号:US20240019551A1
公开(公告)日:2024-01-18
申请号:US17938848
申请日:2022-10-07
Applicant: Lumentum Operations LLC
Inventor: James CHEN , Michael MILLER , Eric R. HEGBLOM , Lijun ZHU , Paul COLBOURNE
CPC classification number: G01S7/4817 , G01S17/89 , G01S7/4816 , G01S7/4815
Abstract: In some implementations, a light detection and ranging (LIDAR) system includes a vertical cavity surface emitting laser (VCSEL) array including a plurality of VCSELs. The VCSEL array may have a first aspect ratio. The LIDAR system may include a set of transmission optics configured to receive light from the VCSEL array and to illuminate a field of view having a second aspect ratio that is greater than the first aspect ratio. The LIDAR system may include an image sensor array configured for line readout. The image sensor array may have a third aspect ratio that is different from the first aspect ratio. The LIDAR system may include a set of reception optics configured to image light reflected from objects in the field of view, having the second aspect ratio, onto the image sensor array having the third aspect ratio.
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公开(公告)号:US20230258952A1
公开(公告)日:2023-08-17
申请号:US17937219
申请日:2022-09-30
Applicant: Lumentum Operations LLC
Inventor: Michael MILLER , Vincent V. WONG , Paul COLBOURNE , Lijun ZHU
CPC classification number: G02B27/4205 , G02B27/30 , G01S17/89 , H04N9/31
Abstract: An optical device may include emitter array to emit light. The optical device may include a collimating element to create an image of the light emitted by the emitter array. The optical device may include a diffractive optical element (DOE) to generate a pattern from the image of the light. The optical device may include a distortion correction element to reduce distortion in the pattern on a screen or to shape the pattern on the screen.
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8.
公开(公告)号:US20200209485A1
公开(公告)日:2020-07-02
申请号:US16717559
申请日:2019-12-17
Applicant: Lumentum Operations LLC
Inventor: Peter David ROORDA , Paul COLBOURNE , Sheldon MCLAUGHLIN
Abstract: An optical device may include a monolithic beam steering engine. The device may include a twin M×N wavelength selective switch (WSS) including a first M×N WSS and a second M×N WSS. The first M×N WSS may include a first panel section of the monolithic beam steering engine to perform first beam steering of first beams, wherein the first beam steering is add/drop port beam steering; and a second panel section of the monolithic beam steering engine to perform second beam steering of second beams, wherein the second beam steering is common port beam steering. The first M×N WSS may include a first optical element aligned to the monolithic beam steering engine to direct one of the first beams or the second beams relative to the other of the first beams or the second beams, such that the first beams are directed in a different direction from the second beams.
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公开(公告)号:US20170017028A1
公开(公告)日:2017-01-19
申请号:US14798764
申请日:2015-07-14
Applicant: Lumentum Operations LLC
Inventor: John Michael MILLER , Joel MILGRAM , Karen Denise HENDRIX , Michael O'LEARY , Hery DJIE , Lu TIAN , Paul COLBOURNE
CPC classification number: G02B1/12 , G02B1/11 , G02B5/1809 , G02B5/3083 , G02B27/286 , G03F7/0005
Abstract: A zoned waveplate has a series of transversely stacked birefringent zones alternating with non-birefringent zones. The birefringent and non-birefringent zones are integrally formed upon an AR-coated face of a single substrate by patterning the AR coated face of the substrate with zero-order sub-wavelength form-birefringent gratings configured to have a target retardance. The layer structure of the AR coating is designed to provide the target birefringence in the patterned zones and the reflection suppression.
Abstract translation: 分区波片具有与非双折射区交替的一系列横向堆叠的双折射区。 双折射和非双折射区域通过用配置成具有目标延迟的零级亚波长形式双折射光栅图案化衬底的AR涂覆面而整体地形成在单个衬底的涂覆AR的面上。 AR涂层的层结构被设计成在图案化区域中提供目标双折射和反射抑制。
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公开(公告)号:US20220209864A1
公开(公告)日:2022-06-30
申请号:US17301260
申请日:2021-03-30
Applicant: Lumentum Operations LLC
Inventor: Paul COLBOURNE
IPC: H04B10/079 , G01J3/14 , G01J3/02 , G01J3/18
Abstract: An optical device may include a dispersion element. The optical device may include a reflective optic to reflect an optical beam with a fixed offset perpendicular to a dispersion direction of the dispersion element and with a negative offset in the dispersion direction of the dispersion element. The reflective optic may be aligned to the dispersion element to offset an optical beam with respect to the dispersion element and to cause the optical beam to pass through the dispersion element on a plurality of passes, offsetting the optical beam on each of the plurality of passes.
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