Fin-based photodetector structure
    63.
    发明授权

    公开(公告)号:US11810989B2

    公开(公告)日:2023-11-07

    申请号:US17504614

    申请日:2021-10-19

    摘要: A photodetector disclosed herein includes an N-doped waveguide structure defined in a semiconductor material, wherein the N-doped waveguide structure comprises a plurality of first fins. Each adjacent pair of the plurality of first fins is separated by a trench formed in the semiconductor material. The photodetector also includes a detector structure positioned on the N-doped waveguide structure, wherein a portion of the detector structure is positioned laterally between the plurality of first fins. The detector structure comprises a single crystal semiconductor material. The photodetector also includes a first diffusion region that extends from the bottom surface of the trench into the semiconductor material, wherein the first diffusion region comprises atoms of the single crystal semiconductor material of the detector structure.

    Optical couplers with diagonal light transfer

    公开(公告)号:US11803010B2

    公开(公告)日:2023-10-31

    申请号:US17524218

    申请日:2021-11-11

    发明人: Yusheng Bian

    摘要: Structures for an optical coupler and methods of fabricating a structure for an optical coupler. The structure includes a first waveguide core having a first tapered section and a second waveguide core having a second tapered section positioned adjacent to the first tapered section of the first waveguide core. The second tapered section is positioned with a lateral offset in a lateral direction relative to the first tapered section. The second tapered section is positioned with a vertical offset in a vertical direction relative to the first tapered section.

    EDGE COUPLERS WITH NON-LINEAR TAPERS
    65.
    发明公开

    公开(公告)号:US20230314730A1

    公开(公告)日:2023-10-05

    申请号:US17707403

    申请日:2022-03-29

    发明人: Yusheng Bian

    IPC分类号: G02B6/42

    CPC分类号: G02B6/4203

    摘要: Structures for an edge coupler and methods of fabricating such structures. The structure includes a back-end-of-line stack located over a substrate. The back-end-of-line stack includes a waveguide core having a longitudinal axis and a tapered section with a width that varies with position along the longitudinal axis based on a non-linear function.

    THERMAL MANAGEMENT OF AN OPTICAL COMPONENT FOR TEMPERATURE CONTROL

    公开(公告)号:US20230266533A1

    公开(公告)日:2023-08-24

    申请号:US17679431

    申请日:2022-02-24

    IPC分类号: G02B6/122

    CPC分类号: G02B6/1228 G02B2006/12135

    摘要: Structures including an optical component and methods of fabricating a structure including an optical component. The structure includes a substrate, an optical component including a waveguide core, and a back-end-of-line stack including a heat spreader layer. The optical component is positioned in a vertical direction between the substrate and the back-end-of-line stack. The waveguide core contains a first material having a first thermal conductivity, and the heat spreader layer contains a second material having a second thermal conductivity that is greater than the first thermal conductivity of the first material.

    OPTICAL COMPONENTS WITH ENHANCED HEAT DISSIPATION

    公开(公告)号:US20230266529A1

    公开(公告)日:2023-08-24

    申请号:US17679405

    申请日:2022-02-24

    IPC分类号: G02B6/122 G02B6/43 F21V8/00

    CPC分类号: G02B6/122 G02B6/43 G02B6/0026

    摘要: Structures including an optical component and methods of fabricating a structure including an optical component. The structure includes a waveguide core and a back-end-of-line stack including a first metallization level, a second metallization level, and a heat sink having a metal feature in the second metallization level. The heat sink is positioned adjacent to a section of the waveguide core. The first metallization level including a dielectric layer positioned between the metal feature and the section of the waveguide core.

    Wavelength division multiplexing filters including a subwavelength grating

    公开(公告)号:US11703641B2

    公开(公告)日:2023-07-18

    申请号:US17510910

    申请日:2021-10-26

    摘要: Structures for a wavelength division multiplexing filter and methods of fabricating a structure for a wavelength division multiplexing filter. The structure includes a first waveguide core having a first section and a second section. The first section and the second section have a first notched sidewall and a second notched sidewall opposite to the first notched sidewall. The structure further includes a second waveguide core positioned with a first offset in a first direction relative to the first section and the second section of the first waveguide core and with a second offset in a second direction relative to the first section and the second section of the first waveguide core. The second direction is transverse to the first direction.