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    Optical switching device
    6.
    发明授权
    Optical switching device 有权
    光开关器件

    公开(公告)号：US09563021B2

    公开(公告)日：2017-02-07

    申请号：US14660367

    申请日：2015-03-17

    Applicant: Lumentum Operations LLC

    Inventor： Abdul Jaleel K. Moidu ,  Sheldon McLaughlin ,  Nenad Duricic

    IPC: G02B6/35

    CPC classification number: G02B6/3582 ,  G02B6/3584 ,  G02B6/359 ,  H01L2224/48091 ,  H01L2924/15192 ,  H01L2924/16195 ,  H01L2924/00014

    Abstract: An optical switching device including an optical switching engine may be packaged by omitting an optical bench and disposing optical elements directly on a base of a housing of the optical switching device. The optical switching engine may be disposed on a ceramic portion of the base, and thermally matched to the ceramic base. The base may be reinforced by the housing walls and optional internal rigidity ribs. The optical elements may be thermally matched to the base, and the lid may be strain relieved by thinning lid edges. The housing may be mounted to an external chassis using soft grummets.

    Abstract translation: 可以通过省略光学台并将光学元件直接设置在光学开关装置的壳体的基座上来封装包括光学开关引擎的光学开关装置。 光学开关引擎可以设置在基座的陶瓷部分上，并且与陶瓷基座热匹配。 基座可以通过外壳壁和可选的内部刚性肋加强。 光学元件可以与基座热匹配，并且盖子可以通过使盖子边缘变薄来减轻应变。 外壳可以使用软格子安装到外部机箱。

    Optical amplifier
    7.
    发明授权
    Optical amplifier 有权

    公开(公告)号：US11489311B2

    公开(公告)日：2022-11-01

    申请号：US16692984

    申请日：2019-11-22

    Applicant: Lumentum Operations LLC

    Inventor： Guansan Chen ,  Sheldon McLaughlin

    IPC: H01S3/067 ,  H01S3/16 ,  H01S3/094

    Abstract: An optical amplifier may include an optical fiber to propagate a forward optical signal in a path of propagation of the optical amplifier. The optical fiber may have an input end face that is angled non-perpendicular to the path of propagation. The optical amplifier may include an optical component, in optical communication with the input end face of the optical fiber, to direct a backward optical emission away from the path of propagation.

    M×N wavelength selective switch with compressed port spacing
    8.
    发明授权
    M×N wavelength selective switch with compressed port spacing 有权

    公开(公告)号：US11448829B2

    公开(公告)日：2022-09-20

    申请号：US16947855

    申请日：2020-08-20

    Applicant: Lumentum Operations LLC

    Inventor： Sheldon McLaughlin

    IPC: G02B6/35 ,  G02B6/293

    Abstract: An M×N wavelength selective switch (WSS), may comprise a common port fiber array unit (FAU) configured to emit optical beams with a lateral offset and a beam steering device configured to direct optical beams with an angular offset to add/drop port optical fibers of an add/drop port FAU. The common port FAU may comprise a first set of common port optical fibers arranged in a first column of the common port FAU and a second set of common port optical fibers arranged in a second column of the common port FAU. The second column of the common port FAU may be laterally offset from the first column of the common port FAU. The beam steering device may be configured to selectively direct, in two dimensions, the optical beams with the angular offset to the add/drop port optical fibers.

    Liquid crystal on silicon element for dual-functionality beam steering in wavelength selective switches
    9.
    发明授权
    Liquid crystal on silicon element for dual-functionality beam steering in wavelength selective switches 有权

    公开(公告)号：US11079551B2

    公开(公告)日：2021-08-03

    申请号：US16717559

    申请日：2019-12-17

    Applicant: Lumentum Operations LLC

    Inventor： Peter David Roorda ,  Paul Colbourne ,  Sheldon McLaughlin

    IPC: H04J14/02 ,  G02B6/35 ,  G02B26/08 ,  G02B6/293

    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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