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    FIBER COUPLER FOR SILICON PHOTONICS
    72.
    发明申请
    FIBER COUPLER FOR SILICON PHOTONICS 有权

    公开(公告)号：US20170123160A1

    公开(公告)日：2017-05-04

    申请号：US15374977

    申请日：2016-12-09

    Applicant: INPHI CORPORATION

    Inventor： Masaki KATO ,  Radhakrishnan L. NAGARAJAN

    IPC: G02B6/30 ,  G02B6/136 ,  G02B6/122

    CPC classification number: G02B6/305 ,  G02B6/1228 ,  G02B6/136 ,  G02B6/26 ,  G02B2006/12061

    Abstract: An apparatus for converting fiber mode to waveguide mode. The apparatus includes a silicon substrate member and a dielectric member having an elongated body. Part of the elongated body from a back end overlies the silicon substrate member and remaining part of the elongated body up to a front end is separated from the silicon substrate member by a second dielectric material at an under region. The apparatus also includes a waveguide including a segment from the back end to a tail end formed on the dielectric member at least partially overlying the remaining part of the elongated body. The segment is buried in a cladding overlying entirely the dielectric member. The cladding has a refractive index that is less than the waveguide but includes an index-graded section with decreasing index that is formed at least over the segment from the tail end toward the back end.

    PHOTONIC TRANSCEIVING DEVICE PACKAGE STRUCTURE
    73.
    发明申请
    PHOTONIC TRANSCEIVING DEVICE PACKAGE STRUCTURE 有权
    光电收发器件封装结构

    公开(公告)号：US20170031117A1

    公开(公告)日：2017-02-02

    申请号：US15289894

    申请日：2016-10-10

    Applicant: INPHI CORPORATION

    Inventor： Radhakrishnan L. NAGARAJAN ,  Peng-Chih LI ,  Masaki KATO

    IPC: G02B6/42 ,  G02B6/30 ,  G02F1/225 ,  H04B10/40

    CPC classification number: G02B6/4257 ,  G02B6/30 ,  G02B6/421 ,  G02B6/4243 ,  G02B6/4246 ,  G02B6/4251 ,  G02B6/4271 ,  G02B6/428 ,  G02B6/4284 ,  G02B6/4286 ,  G02B6/4292 ,  G02F1/2255 ,  G02F2001/212 ,  H04B10/40 ,  H04B10/516 ,  H04J14/02

    Abstract: The apparatus includes a case having a base member, two partial side members, and a lid member to provide a spatial volume with an opening at a back end of the base member. Additionally, the apparatus includes a PCB installed inside the spatial volume over the base member with a pluggable connector at the back end. The apparatus includes one or more optical transmitting devices in transmit-optical-sub-assembly package, each being mounted upside-down on the PCB and including a built-in TEC module in contact with the lid member and a laser output port aiming toward the back end. Furthermore, the apparatus includes a silicon photonics chip including a fiber-to-silicon attachment module, mounted on the PCB and coupled to a modulation driver module and a trans-impedance-amplifier module. Moreover, the apparatus includes an optical input port and output port being back connected to the fiber-to-silicon attachment module.

    Abstract translation: 该装置包括具有底座构件，两个部分侧构件和盖构件的壳体，以在基座构件的后端提供具有开口的空间体积。 此外，该设备包括安装在基座部件上方的空间体积内的PCB，后端具有可插拔连接器。 该装置包括一个或多个透射 - 光学 - 组件封装中的光学传输装置，它们分别安装在PCB上，并且包括与盖构件接触的内置TEC模块和朝向 后端 此外，该装置包括硅光子芯片，其包括安装在PCB上的光纤至硅附着模块，并耦合到调制驱动器模块和跨阻抗放大器模块。 此外，该装置包括光输入端口和输出端口，其被连接到光纤到硅附接模块。

    INTEGRATED TWO-CHANNEL SPECTRAL COMBINER AND WAVELENGTH LOCKER IN SILICON PHOTONICS
    75.
    发明申请
    INTEGRATED TWO-CHANNEL SPECTRAL COMBINER AND WAVELENGTH LOCKER IN SILICON PHOTONICS 审中-公开
    硅光子集成双通道光谱组合器和波长锁定器

    公开(公告)号：US20160127070A1

    公开(公告)日：2016-05-05

    申请号：US14530146

    申请日：2014-10-31

    Applicant: INPHI CORPORATION

    Inventor： Radhakrishnan L. NAGARAJAN ,  Masaki KATO

    IPC: H04J14/02

    CPC classification number: G02F1/025 ,  G02F2001/212

    Abstract: A two-channel DWDM spectral combiner integrated with a wavelength locker is provided. Two optical signals at ITU grid channels are separately modulated by MZM modulators and combined into a silicon waveguide-based delayed-line interferometer built on silicon-on-insulator substrate to produce a combined signal having a free spectral range equal to twice of the spacing of the two ITU grid channels. Two dither signals can be added respectively to the two optical signals for identifying corresponding two channel wavelengths and locking each wavelength while outputting the combined signal.

    Abstract translation: 提供与波长锁存器集成的双通道DWDM光谱组合器。 国际电联电网通道上的两个光信号由MZM调制器单独调制，并组合成一个基于硅绝缘体上硅衬底的基于硅波导的延迟线干涉仪，以产生一个组合信号，该信号的自由光谱范围等于 两个国际电联电网通道。 可以将两个抖动信号分别添加到两个光信号中，用于识别对应的两个信道波长并锁定每个波长，同时输出组合信号。

    THIN-FILM FILTER FOR TUNABLE LASER
    76.
    发明申请
    THIN-FILM FILTER FOR TUNABLE LASER 有权

    公开(公告)号：US20210273408A1

    公开(公告)日：2021-09-02

    申请号：US16805526

    申请日：2020-02-28

    Applicant: INPHI CORPORATION

    Inventor： Xiaoguang HE ,  Radhakrishnan L. NAGARAJAN ,  Brian TAYLOR

    IPC: H01S5/10 ,  H01S5/022 ,  H01S5/028 ,  G02F1/01 ,  H01S5/323

    Abstract: A thin-film device for a wavelength-tunable semiconductor laser. The device includes a cavity between a high-reflectivity facet and an anti-reflection facet designed to emit a laser light of a wavelength in a tunable range determined by two Vernier-ring resonators with a joint-free-spectral-range between a first wavelength and a second wavelength. The device further includes a film including multiple pairs of a first layer and a second layer sequentially stacking to an outer side of the high-reflectivity facet. Each layer in each pair has one unit of respective optical thickness except one first or second layer in one pair having a larger optical thickness. The film is configured to produce inner reflectivity of the laser light from the high-reflectivity facet at least >90% for wavelengths in the tunable range starting from the first wavelength but at least

    OPTICAL MODULE
    77.
    发明申请
    OPTICAL MODULE 有权

    公开(公告)号：US20210159997A1

    公开(公告)日：2021-05-27

    申请号：US17168931

    申请日：2021-02-05

    Applicant: INPHI CORPORATION

    Inventor： Radhakrishnan L. NAGARAJAN

    IPC: H04J14/02 ,  H04B10/40

    Abstract: An integrated apparatus with optical/electrical interfaces and protocol converter on a single silicon substrate. The apparatus includes an optical module comprising one or more modulators respectively coupled with one or more laser devices for producing a first optical signal to an optical interface and one or more photodetectors for detecting a second optical signal from the optical interface to generate a current signal. Additionally, the apparatus includes a transmit lane module coupled between the optical module and an electrical interface to receive a first electric signal from the electrical interface and provide a framing protocol for driving the one or more modulators. Furthermore, the apparatus includes a receive lane module coupled between the optical module and the electrical interface to process the current signal to send a second electric signal to the electrical interface.

    APPARATUS AND METHOD FOR THERMAL DISSIPATION OF PHOTONIC TRANSCEIVING MODULE
    78.
    发明申请
    APPARATUS AND METHOD FOR THERMAL DISSIPATION OF PHOTONIC TRANSCEIVING MODULE 有权

    公开(公告)号：US20210088738A1

    公开(公告)日：2021-03-25

    申请号：US16578090

    申请日：2019-09-20

    Applicant: INPHI CORPORATION

    Inventor： Chris TOGAMI ,  Radhakrishnan L. NAGARAJAN ,  Gary SASSER ,  Brian TAYLOR

    IPC: G02B6/42 ,  H05K7/20 ,  F28F1/14

    Abstract: An apparatus for dissipating heat from a photonic transceiver module. The apparatus includes a top-plate member disposed in a length direction of a package for the photonic transceiver module. The apparatus further includes multiple fins formed on the top-plate member along the length direction from a backend position to a frontend position except at least one fin with a shorter length, forming an elongated void from the backend position to one backend of the at least one fin. Additionally, the apparatus includes a cover member disposed over the multiple fins with a horizontal sheet, two vertical side sheets, and a flange bent vertically from a middle portion of backend of the horizontal sheet. Furthermore, the apparatus includes a spring loaded in the elongated void between the flange and the one backend of the at least one fin to minimize an air gap at the backend of the horizontal sheet.

    MONOLITHICALLY INTEGRATED SYSTEM ON CHIP FOR SILICON PHOTONICS
    79.
    发明申请
    MONOLITHICALLY INTEGRATED SYSTEM ON CHIP FOR SILICON PHOTONICS 有权

    公开(公告)号：US20210049124A1

    公开(公告)日：2021-02-18

    申请号：US17088197

    申请日：2020-11-03

    Applicant: Inphi Corporation

    Inventor： Radhakrishnan L. NAGARAJAN ,  Chao XU

    IPC: G06F15/78 ,  G06F13/42 ,  G02B6/12 ,  H04L27/00 ,  G06F13/364 ,  G06F13/40 ,  H04L1/00 ,  H04L25/03

    Abstract: The present invention includes an integrated system-on-chip device configured on a substrate member. The device has a data input/output interface provided on the substrate member and configured for a predefined data rate and protocol. The device has an input/output block provided on the substrate member and coupled to the data input/output interface. The input/output block comprises a SerDes block, a CDR block, a compensation block, and an equalizer block. The SerDes block is configured to convert a first data stream of N having a first predefined data rate at a first clock rate into a second data stream of M having a second predefined data rate at a second clock rate. The device has a driver module provided on the substrate member and coupled to a signal processing block, and a driver interface provided on the substrate member and coupled to the driver module and a silicon photonics device.

    CLOSED LOOP MODULE CONTROL FOR COMMUNICATION BASED ON SIGNAL QUALITY
    80.
    发明申请
    CLOSED LOOP MODULE CONTROL FOR COMMUNICATION BASED ON SIGNAL QUALITY 有权

    公开(公告)号：US20210028860A1

    公开(公告)日：2021-01-28

    申请号：US17071701

    申请日：2020-10-15

    Applicant: INPHI CORPORATION

    Inventor： Todd ROPE ,  Radhakrishnan L. NAGARAJAN

    IPC: H04B10/079 ,  H04B10/40

    Abstract: The present invention is directed to communication systems and methods. According to an embodiment, a receiving optical transceiver determines signal quality for signals received from a transmitting optical transceiver. Information related to the signal quality is embedded into back-channel data and sent to the transmitting optical transceiver. The transmitting optical transceiver detects the presence of the back-channel data and adjusts one or more of its operating parameters based on the back-channel data. There are other embodiments as well.

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