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    MULTI-CHANNEL TRANSMITTER OPTICAL SUBASSEMBLY (TOSA) WITH OPPOSING PLACEMENT OF TRANSISTOR OUTLINE (TO) CAN LASER PACKAGES
    11.
    发明申请
    MULTI-CHANNEL TRANSMITTER OPTICAL SUBASSEMBLY (TOSA) WITH OPPOSING PLACEMENT OF TRANSISTOR OUTLINE (TO) CAN LASER PACKAGES 审中-公开
    多通道发射器光学分层（TOSA），具有对准放大器的晶体管外部（TO）可以激光器包

    公开(公告)号：US20170063464A1

    公开(公告)日：2017-03-02

    申请号：US14837993

    申请日：2015-08-27

    Applicant: Applied Optoelectronics, Inc.

    Inventor： I-Lung Ho ,  Kai-Sheng LIN ,  Chong WANG

    IPC: H04B10/40 ,  G02B7/00 ,  H01S5/00 ,  G02B5/26 ,  H01S5/022 ,  H01S5/40

    CPC classification number: G02B6/3831 ,  G02B5/26 ,  G02B6/423 ,  G02B6/4246 ,  G02B6/4263 ,  G02B6/4292 ,  G02B7/006 ,  H01S5/0078 ,  H01S5/02212 ,  H01S5/02284 ,  H01S5/02288 ,  H01S5/4087 ,  H04B10/40 ,  H04J14/02

    Abstract: A multi-channel transmitter optical subassembly (TOSA) including staggered transistor outline (TO) can laser package placement to provide enhanced coupling and optical power is disclosed, and may be used in an optical transceiver for transmitting an optical signal. The TOSA comprises a housing that includes plurality of sidewall openings with each sidewall opening configured to couple to a TO can laser package to provide coarse wavelength division multiplexing. The housing includes at least first and second sidewall openings on a first sidewall, and a third sidewall opening disposed on a sidewall opposing the first sidewall and being positioned at generally a mid-point between the first and second sidewall openings. This staggered and opposing sidewall opening arrangement allows an increased distance between adjacent sidewall openings, and thus, the TOSA may increase optical power and yield by providing additional space for performing post-attachment alignment of TO can laser packages.

    Abstract translation: 包括交错晶体管轮廓（TO）的多通道发射器光学子组件（TOSA）可以激光封装放置以提供增强的耦合和光功率，并且可以用于光收发器中用于发射光信号。 TOSA包括壳体，其包括多个侧壁开口，每个侧壁开口被配置成耦合到TO罐激光器封装以提供粗略的波分复用。 壳体包括在第一侧壁上的至少第一和第二侧壁开口，以及设置在与第一侧壁相对的侧壁上的第三侧壁开口，并且大致位于第一和第二侧壁开口之间的中点。 这种交错和相对的侧壁开口布置允许相邻侧壁开口之间的距离增加，因此，TOSA可以通过提供用于执行TO罐激光器封装的后连接对准的附加空间来增加光功率和产量。

    TO CAN LASER ASSEMBLY WITH OFF-CENTER LENS CAP AND AN OPTICAL TRANSCEIVER OR TRANSMITTER IMPLEMENTING SAME
    12.
    发明申请
    TO CAN LASER ASSEMBLY WITH OFF-CENTER LENS CAP AND AN OPTICAL TRANSCEIVER OR TRANSMITTER IMPLEMENTING SAME 审中-公开

    公开(公告)号：US20200335934A1

    公开(公告)日：2020-10-22

    申请号：US16387805

    申请日：2019-04-18

    Applicant: Applied Optoelectronics, Inc.

    Inventor： I-Lung HO ,  Chong WANG ,  Shih-Chia LIU

    IPC: H01S5/022 ,  H04B10/40 ,  H04B10/50 ,  H01S5/026

    Abstract: The present disclosure is generally directed to a TO can laser package that includes an off-center focus lens integrated into a lens cap to compensate displacement of an associated laser diode. The TO can laser package includes a TO header with a mounting structure for directly electrically coupling an associated laser diode to electrical leads/pins without the use of an intermediate interconnect. The mounting structure displaces the laser diode such that an emission surface, and more particularly, an origin thereof, is displaced/offset relative to a center of the TO header. The integrated lens cap includes a focus lens with an optical center that is offset from a center of the TO header at a distance that is substantially equal to the displacement of the laser diode. Thus, the displacement of the laser diode is compensated for by the off-center focus lens to minimize or otherwise reduce optical misalignment.

    LENS CLIP FOR COUPLING AND OPTICAL ALIGNMENT OF AN OPTICAL LENS AND AN OPTICAL SUBASSEMBLY MODULE IMPLEMENTING SAME
    13.
    发明申请
    LENS CLIP FOR COUPLING AND OPTICAL ALIGNMENT OF AN OPTICAL LENS AND AN OPTICAL SUBASSEMBLY MODULE IMPLEMENTING SAME 审中-公开

    公开(公告)号：US20200225427A1

    公开(公告)日：2020-07-16

    申请号：US16246853

    申请日：2019-01-14

    Applicant: Applied Optoelectronics, Inc.

    Inventor： Chong WANG ,  Qin LI ,  Hsiu-Che WANG

    IPC: G02B6/42

    Abstract: The present disclosure is generally directed to a lens clip that includes an optical lens slot to securely hold an optical lens at a predetermined position to mitigate effects of post-annealing shift. The lens clip includes a base that provides at least one substrate mating surface for mounting to a substrate, and at least first and second arms extending from the base. The first and second arms extend substantially parallel relative to each other and define at least a portion of an optical lens slot. The optical lens slot is configured to receive at least a portion of an optical lens and securely hold the optical lens at a predetermined position to ensure optical alignment of the optical lens, e.g., relative to an associated laser diode or other optical component, during fixation of the optical lens to the substrate using, for instance, UV-curing optical adhesives.

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