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    Optical transceiver module having a partitioned housing
    2.
    发明授权
    Optical transceiver module having a partitioned housing 有权

    公开(公告)号：US10247892B2

    公开(公告)日：2019-04-02

    申请号：US15242017

    申请日：2016-08-19

    Applicant: Applied Optoelectronics, Inc.

    Inventor： Kai-Sheng Lin ,  Hsiu-Che Wang ,  I-Lung Ho

    IPC: G02B6/255 ,  G02B6/42

    Abstract: A transceiver module having a partitioned housing, e.g., a bifurcated or multi-segment housing, is disclosed that allows coupling and alignment of a TOSA arrangement and ROSA arrangement in separate respective portions in order to minimize or otherwise reduce component damage and rework iterations during manufacturing and repair. Technicians may thus perform at least partial assembly and testing of each optical subassembly arrangement in parallel and in relative isolation without necessarily interrupting and/or waiting on completion of the other. In a general sense, each separate portion of the partitioned housing provides a dedicated workspace of about equal dimension for coupling of subassembly components. Each separate portion may lie flat on a tabletop, for instance, which may further simplify manufacturing processes and provide a wide-range of acceptance angles for performing soldering, welding, insertion and coupling of components, visual inspection, fiber routing, and so on.

    Techniques for shielding within an optical transceiver housing to mitigate electromagnetic interference between optical subassemblies disposed within the same
    3.
    发明授权
    Techniques for shielding within an optical transceiver housing to mitigate electromagnetic interference between optical subassemblies disposed within the same 有权

    公开(公告)号：US10514515B2

    公开(公告)日：2019-12-24

    申请号：US15475073

    申请日：2017-03-30

    Applicant: Applied Optoelectronics, Inc.

    Inventor： Kai-Sheng Lin ,  Hsiu-Che Wang ,  Ziliang Cai

    IPC: G02B6/42 ,  G02B6/38 ,  H01S5/022 ,  H04B10/40

    Abstract: An optical transceiver module is disclosed having a housing that includes at least a first housing portion and a second housing portion, each of the first and second housing portions including a base portion having at least one sidewall extending therefrom that defines a compartment. The first housing portion is configured to couple to the second housing portion to form a cavity therebetween. A transmitter optical subassembly (TOSA) arrangement coupled to the base portion of the first housing portion and is electrically coupled to a first flexible printed circuit (FPC). A receiver optical subassembly (ROSA) arrangement is coupled to the base portion of the second housing portion and is electrically coupled to a second FPC. A first shield coupled to at least one of the first housing portion or the second housing portion to reduce electromagnetic interference between the TOSA arrangement and the ROSA arrangement.

    Welding assembly for coupling a transmitter optical subassembly (TOSA) module to an optical transmitter or transceiver
    4.
    发明授权
    Welding assembly for coupling a transmitter optical subassembly (TOSA) module to an optical transmitter or transceiver 有权

    公开(公告)号：US10509184B2

    公开(公告)日：2019-12-17

    申请号：US15473563

    申请日：2017-03-29

    Applicant: Applied Optoelectronics, Inc.

    Inventor： I-Lung Ho ,  Hsiu-Che Wang ,  Hao-Hsiang Liao

    IPC: G02B6/42 ,  G02B6/12

    Abstract: In accordance with an embodiment, a welding assembly is disclosed that allows for a laser assembly to be coupled into a socket of the same and held at a fixed position, e.g., by a mechanical grabber of a welding system. The mechanical grabber may then travel along one or more axis to bring the TOSA module into mechanical alignment with an opening of an associated optical subassembly housing. The welding assembly may further include an alignment member that provides one or more alignment contact surfaces configured to be brought directly into contact with a surface of the associated subassembly housing. When the one or more alignment contact surfaces are “flush” with the surface of the subassembly housing the emission face of the TOSA module is substantially parallel, and by extension, optically aligned with the opening of the associated subassembly housing.

    Photodiode (PD) array with integrated back-side lenses and a multi-channel transceiver module implementing same
    5.
    发明授权
    Photodiode (PD) array with integrated back-side lenses and a multi-channel transceiver module implementing same 有权

    公开(公告)号：US10950651B2

    公开(公告)日：2021-03-16

    申请号：US16202813

    申请日：2018-11-28

    Applicant: Applied Optoelectronics, Inc.

    Inventor： Hsiu-Che Wang ,  Elsie Marentes ,  Qin Li

    IPC: H04B10/00 ,  H01L27/146 ,  H01L25/16 ,  G02B27/09 ,  G02B6/293 ,  G02B6/12

    Abstract: The present disclosure is generally directed to an optical transceiver that includes a multi-channel on-board ROSA arrangement that includes an optical demultiplexer, e.g., an arrayed waveguide grating (AWG) and an array of photodiodes disposed on a same substrate. The array of photodiodes may be optically aligned with an output port of the optical demultiplexer and be configured to detect channel wavelengths and output a proportional electrical signal to an amplification circuit, e.g., a transimpedance amplifier. Each of the photodiodes can include an integrated lens configured to increase the alignment tolerance between the demultiplexer and the light sensitive region such that relatively imprecise bonding techniques, e.g., die bonding, may be utilized while still maintaining nominal optical power.

    Transmitter optical subassembly arrangement with vertically-mounted monitor photodiodes
    6.
    发明授权
    Transmitter optical subassembly arrangement with vertically-mounted monitor photodiodes 有权

    公开(公告)号：US10714890B1

    公开(公告)日：2020-07-14

    申请号：US16268765

    申请日：2019-02-06

    Applicant: Applied Optoelectronics, Inc.

    Inventor： Kai-Sheng Lin ,  Hsiu-Che Wang ,  Kevin Liu

    IPC: H01S5/022 ,  H01S5/024 ,  H01S5/40 ,  H01S5/00

    Abstract: The present disclosure is generally directed to a multi-channel TOSA with vertically-mounted MPDs to reduce TOSA housing dimensions and improve RF driving signal quality. In more detail, a TOSA housing consistent with the present disclosure includes at least one vertical MPD mounting surface that extends substantially transverse relative to a LD mounting surface, with the result being that a MPD coupled to the vertical MPD mounting surface gets positioned above an associated LD coupled to the LD mounting surface. The vertically-mounted MPD thus makes regions adjacent an LD that would otherwise be utilized to mount an MPD available for patterning of conductive RF traces to provide an RF driving signal to the LD. The conductive RF traces may therefore extend below the vertically-mounted MPD to a location that is proximate the LD to allow for relatively short wire bonds therebetween.

    Lens clip for coupling and optical alignment of an optical lens array and an optical subassembly module implementing same
    9.
    发明授权
    Lens clip for coupling and optical alignment of an optical lens array and an optical subassembly module implementing same 有权

    公开(公告)号：US11221460B2

    公开(公告)日：2022-01-11

    申请号：US16514580

    申请日：2019-07-17

    Applicant: Applied Optoelectronics, Inc.

    Inventor： I-Lung Ho ,  Hsiu-Che Wang ,  Qin Li

    IPC: G02B7/02 ,  H04B10/50

    Abstract: The present disclosure is generally directed to a lens clip that defines at least one mounting surface for coupling to and supporting an array of optical components, e.g., a laser diode and associated components, and an optical lens slot to receive and securely hold an array of optical lenses at a predetermined position relative to the optical components to ensure nominal optical coupling. The optical lens slot includes dimensions that permit insertion of each optical lens into the same and restrict travel along one or more axis. Accordingly, disposing an optical lens within the lens slot ensures correct alignment along at least two axis, e.g., Z and X, with the third axis (e.g., Y) extending parallel along the slot to permit lateral adjustment of each lens.

    Temperature controlled multi-channel transmitter optical subassembly and transceiver module including same
    10.
    发明授权
    Temperature controlled multi-channel transmitter optical subassembly and transceiver module including same 有权

    公开(公告)号：US11146039B2

    公开(公告)日：2021-10-12

    申请号：US16419379

    申请日：2019-05-22

    Applicant: Applied Optoelectronics, Inc.

    Inventor： Kai-Sheng Lin ,  Hsiu-Che Wang ,  Ziliang Cai

    IPC: H04B10/00 ,  H01S5/068 ,  H01S5/0683 ,  H04B10/40 ,  H01S5/024 ,  H01S5/40 ,  H04B10/50 ,  H01S5/00

    Abstract: A temperature controlled multi-channel transmitter optical subassembly (TOSA), consistent with embodiments described herein, may be used in a multi-channel optical transceiver. The temperature controlled multi-channel TOSA generally includes an array of lasers to emit a plurality of different channel wavelengths. The lasers may be thermally tuned to the channel wavelengths by establishing a global temperature for the array of lasers such that the amount of heat communicated to each laser is substantially the same. The global temperature may be established, at least in part, by monitoring the shortest channel wavelength and/or a temperature of the lasers. The temperature of the lasers may then get increased via a shared heating device in thermal communication with the lasers until the shortest monitored wavelength substantially reaches the nominal shortest wavelength or the measured temperature substantially equals the global temperature.

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