Patents by Inventor Linke LI

Linke LI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11740417
    Abstract: A silicon photonics integrated chip includes the transmit-input waveguide unit, the splitter unit, the modulator unit, the transmit-output waveguide unit, the receive-input waveguide unit and the receiving detector unit integrated inside the chip. A silicon photonics multi-channel parallel optical component and a coupling method of the silicon photonics multi-channel parallel optical component are also provided. The integrated silicon photonics chip is adopted, the transmitting part still uses two-way DC laser group, the receiving chip is integrated inside the silicon photonics chip, and the optical interface adopts the mature FA-MPO in the industry. It has the advantages of mature technology, high degree of integration, relatively low cost, fewer coupling processes, etc., it is one of the advantageous choices for rates above 400 G.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: August 29, 2023
    Assignee: LINKTEL TECHNOLOGIES CO., LTD.
    Inventors: Baiquan Hu, Xuefeng Lin, Linke Li, Tianshu Wu, Xianwen Yang, Jian Zhang
  • Publication number: 20230194808
    Abstract: A silicon photonics integrated chip includes the transmit-input waveguide unit, the splitter unit, the modulator unit, the transmit-output waveguide unit, the receive-input waveguide unit and the receiving detector unit integrated inside the chip. A silicon photonics multi-channel parallel optical component and a coupling method of the silicon photonics multi-channel parallel optical component are also provided. The integrated silicon photonics chip is adopted, the transmitting part still uses two-way DC laser group, the receiving chip is integrated inside the silicon photonics chip, and the optical interface adopts the mature FA-MPO in the industry. It has the advantages of mature technology, high degree of integration, relatively low cost, fewer coupling processes, etc., it is one of the advantageous choices for rates above 400 G.
    Type: Application
    Filed: June 17, 2021
    Publication date: June 22, 2023
    Applicant: LINKTEL TECHNOLOGIES CO., LTD.
    Inventors: Baiquan HU, Xuefeng LIN, Linke LI, Tianshu WU, Xianwen YANG, Jian ZHANG
  • Patent number: 11360921
    Abstract: A system and a method of interface communication being compatible with SFP+ optical modules and QSFP+ switch are provided. The system includes an adapter card. The adapter card includes a set of SFP+ golden fingers that comply with the SFP+ protocol, a set of QSFP+ golden fingers that comply with the QSFP+ protocol, and a microcontroller unit. The adapter card communicates with the SFP optical module through the SFP+ golden fingers, and communicates with the QSFP switch through the QSFP+ golden fingers. The microcontroller unit is used to extend and process the pin information in the adapter card, and to convert the two different protocols of SFP+ and QSFP+, so that the module under the SFP+ protocol can respond under the port of QSFP+, so as to realize the data communication between the SFP+ optical module and the QSFP+ switch.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: June 14, 2022
    Assignee: LINKTEL TECHNOLOGIES CO., LTD.
    Inventors: Bing Wang, Linke Li, Tianshu Wu, Xianwen Yang, Jian Zhang
  • Patent number: 11320609
    Abstract: The present invention relates to the technical field of optical communication, and provides a light emitting assembly comprising: an LD chip component, an optical wavelength division multiplexer, a first package housing and a second package housing; the first package housing is fixedly connected with the second package housing to form a first chamber for packaging the LD chip component and a second chamber for packaging the optical wavelength division multiplexer, the first chamber is located inside the first package housing, and the second chamber is located inside the second package housing. The present invention also provides an optical module comprising: a housing, a light receiving assembly and the light emitting assembly mentioned above, wherein the light receiving assembly and the light emitting assembly are both disposed on the housing.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: May 3, 2022
    Assignee: Linktel Technologies Co., LTD
    Inventors: Linke Li, Xuefeng Lin, Tianshu Wu, Xianwen Yang, Jian Zhang
  • Publication number: 20220092012
    Abstract: A system and a method of interface communication being compatible with SFP+ optical modules and QSFP+ switch are provided. The system includes an adapter card. The adapter card includes a set of SFP+ golden fingers that comply with the SFP+ protocol, a set of QSFP+ golden fingers that comply with the QSFP+ protocol, and a microcontroller unit. The adapter card communicates with the SFP optical module through the SFP+ golden fingers, and communicates with the QSFP switch through the QSFP+ golden fingers. The microcontroller unit is used to extend and process the pin information in the adapter card, and to convert the two different protocols of SFP+ and QSFP+, so that the module under the SFP+ protocol can respond under the port of QSFP+, so as to realize the data communication between the SFP+ optical module and the QSFP+ switch.
    Type: Application
    Filed: September 10, 2021
    Publication date: March 24, 2022
    Applicant: Linktel Technologies Co., Ltd.
    Inventors: Bing WANG, Linke LI, Tianshu WU, Xianwen YANG, Jian ZHANG
  • Patent number: 11271363
    Abstract: A package structure for the multi-channel parallel transmission optical device includes a package base, a package cap which is used to form a package shell with the package base, and a plurality of laser generating units that are all mounted on the package base and arranged annularly relative to the axis of the package base. Each laser generating unit is equipped with an optical mirror group to convert the laser emitted by the laser generating unit into the laser beam parallel to the axis of the package base. A converging lens is also configured inside or outside the package shell, or the package cap uses the converging lens as an optical window, and to converge each laser beam into output beam. The optical path design can significantly reduce the device package volume, which correspondingly increases the channel density.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: March 8, 2022
    Assignee: LINKTEL TECHNOLOGIES CO., LTD.
    Inventors: Ren Wan, Linke Li, Tianshu Wu, Xianwen Yang, Jian Zhang
  • Patent number: 11262512
    Abstract: In the technical field of optical communication a multi-path wavelength division multiplexing light receiving component including a substrate placed at the bottom of a housing is provided. The housing and substrate form an installation chamber, and include a light emitting unit, a light de-multiplexing unit, a reflector and a light receiving unit. The light emission unit, the light de-multiplexing unit, the reflector, and the light receiving unit are located inside the installation cavity, and the light emission unit, the light de-multiplexing unit, and the reflector are fixed on the housing, and the light receiving unit is fixed on the substrate. An optical module includes the multiplex wavelength division multiplexing optical receiving component. The length of the light receiving unit is shortened by reflecting an optical signal decomposed by a light de-multiplexing unit, and disposing the light receiving unit integrally below a reflector.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: March 1, 2022
    Assignee: LINKTEL TECHNOLOGIES CO., LTD.
    Inventors: Linke Li, Tianshu Wu, Xianwen Yang, Jian Zhang
  • Publication number: 20210149132
    Abstract: The present invention relates to the technical field of optical communication, and provides a light emitting assembly comprising: an LD chip component, an optical wavelength division multiplexer, a first package housing and a second package housing; the first package housing is fixedly connected with the second package housing to form a first chamber for packaging the LD chip component and a second chamber for packaging the optical wavelength division multiplexer, the first chamber is located inside the first package housing, and the second chamber is located inside the second package housing. The present invention also provides an optical module comprising: a housing, a light receiving assembly and the light emitting assembly mentioned above, wherein the light receiving assembly and the light emitting assembly are both disposed on the housing.
    Type: Application
    Filed: January 29, 2021
    Publication date: May 20, 2021
    Inventors: Linke LI, Xuefeng LIN, Tianshu WU, Xianwen YANG, Jian ZHANG
  • Patent number: 10986429
    Abstract: The present invention relates to an all-in-one converter using a low-speed optical module on a high-speed switch. The present invention relates to the field of optical modules in optical communications. It provides a solution of using a 25G optical module on a 100G switch, and simultaneously enabling a 10G optical module to be used on a 40G switch. A first electrical interface of the converter is connected with a 100G/40G switch, which meets the requirements of SFF-8636 protocol and realizes the bidirectional transmission of signals from the switch to the converter. A second electrical interface of the converter is connected with the optical module, which realizes the module's bidirectional transmission from the converter to the optical module. There is a signal conversion circuit inside the converter, which makes the signals of the two electrical interfaces meet the requirements of their respective protocols.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: April 20, 2021
    Assignee: LINKTEL TECHNOLOGIES CO., LTD
    Inventors: Helin Guan, Tianshu Wu, Xianwen Yang, Linke Li, Jian Zhang, Kai Tang
  • Publication number: 20210104865
    Abstract: The present invention provides a multichannel parallel light emitting device comprising a semiconductor cooler, a cold surface of the semiconductor cooler completely covers the area of a hot surface, and when the hot surface and the cold surface are horizontally disposed, a horizontal distance is reserved between the edge of the cold surface and the edge of the hot surface, and a positive electrode and a negative electrode are fixed on a second surface of the cold surface.
    Type: Application
    Filed: December 16, 2020
    Publication date: April 8, 2021
    Applicant: Linktel Technologies Co., Ltd.
    Inventors: Baigquan HU, Linke LI, Zuefang LIN, Dinghun HU, Tianshu WU, Jianwen YANG, Jian ZHANG
  • Publication number: 20210041645
    Abstract: In the technical field of optical communication a multi-path wavelength division multiplexing light receiving component including a substrate placed at the bottom of a housing is provided. The housing and substrate form an installation chamber, and include a light emitting unit, a light de-multiplexing unit, a reflector and a light receiving unit. The light emission unit, the light de-multiplexing unit, the reflector, and the light receiving unit are located inside the installation cavity, and the light emission unit, the light de-multiplexing unit, and the reflector are fixed on the housing, and the light receiving unit is fixed on the substrate. An optical module includes the multiplex wavelength division multiplexing optical receiving component. The length of the light receiving unit is shortened by reflecting an optical signal decomposed by a light de-multiplexing unit, and disposing the light receiving unit integrally below a reflector.
    Type: Application
    Filed: April 23, 2019
    Publication date: February 11, 2021
    Inventors: Linke LI, Tianshu WU, Xianwen YANG, Jian ZHANG
  • Patent number: 10914903
    Abstract: The invention provides an optical module including a circuit board, an optical component and an electrical interface, and the circuit board is provided with a signal rate transmission chip, a laser driver chip, a transimpedance limiting amplifier chip, a vertical cavity surface-emitting laser chip array and a photodetector chip array, and the signal rate transmission chip is electrically connected with the laser driver chip and the transimpedance limiting amplifier chip through the first microstrip line, and the optical component includes an interface end MT ferrule, and a light-emitting ribbon optical cable and a light-receiving ribbon optical cable both connected with the interface end MT ferrule, the light-emitting ribbon optical cable is coupled and aligned with the vertical cavity surface-emitting laser chip array, and the light-receiving ribbon optical cable is coupled and aligned with the photodetector chip array, and the electrical interface includes a gold finger disposed on one side of circuit board
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: February 9, 2021
    Assignee: LINKTEL TECHNOLOGIES CO., LTD
    Inventors: Ning Li, Jian Zhang, Xianwen Yang, Tianshu Wu, Linke Li
  • Publication number: 20200264392
    Abstract: The invention provides an optical module including a circuit board, an optical component and an electrical interface, and the circuit board is provided with a signal rate transmission chip, a laser driver chip, a transimpedance limiting amplifier chip, a vertical cavity surface-emitting laser chip array and a photodetector chip array, and the signal rate transmission chip is electrically connected with the laser driver chip and the transimpedance limiting amplifier chip through the first microstrip line, and the optical component includes an interface end MT ferrule, and a light-emitting ribbon optical cable and a light-receiving ribbon optical cable both connected with the interface end MT ferrule, the light-emitting ribbon optical cable is coupled and aligned with the vertical cavity surface-emitting laser chip array, and the light-receiving ribbon optical cable is coupled and aligned with the photodetector chip array, and the electrical interface includes a gold finger disposed on one side of circuit board
    Type: Application
    Filed: June 15, 2018
    Publication date: August 20, 2020
    Inventors: Ning LI, Jian JANG, Xianwen YANG, Tianshu WU, Linke LI
  • Publication number: 20200252701
    Abstract: The present invention relates to an all-in-one converter using a low-speed optical module on a high-speed switch. The present invention relates to the field of optical modules in optical communications. It provides a solution of using a 25G optical module on a 100G switch, and simultaneously enabling a 10G optical module to be used on a 40G switch. A first electrical interface of the converter is connected with a 100G/40G switch, which meets the requirements of SFF-8636 protocol and realizes the bidirectional transmission of signals from the switch to the converter. A second electrical interface of the converter is connected with the optical module, which realizes the module's bidirectional transmission from the converter to the optical module. There is a signal conversion circuit inside the converter, which makes the signals of the two electrical interfaces meet the requirements of their respective protocols.
    Type: Application
    Filed: August 21, 2019
    Publication date: August 6, 2020
    Inventors: Helin GUAN, Tianshu WU, Xianwen YANG, Linke LI, Jian ZHANG, Kai TANG
  • Patent number: 10680736
    Abstract: The invention relates to the field of optical communication network modules, and provides a 4-channel CWDM QSFP optical module, comprising a QSFP base and four optical transmitting sub-devices. The four optical transmitting sub-devices are mounted on the base in parallel, and there is a gap between each of the optical transmitting sub-devices and the base. The QSFP optical module further includes CWDM optical components for multiplexing 4-channel optical signals emitted by the four optical transmitting sub-devices. The CWDM optical components comprise a single fiber pigtail for transmitting the multiplexed optical signal, the single fiber pigtail being at least partially located in the gap. The 4-channel CWDM QSFP optical module of the invention connects the four optical transmitting sub-devices with the CWDM optical components by a reasonable method of optical fiber winding, thereby solves the problem that it is difficult to achieve single-mode fiber coupling of four LDs in a small space.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: June 9, 2020
    Assignee: LINKTEL TECHNOLOGIES CO., LTD.
    Inventors: Linke Li, Jian Zhang, Xianwen Yang, Tianshu Wu
  • Publication number: 20190334648
    Abstract: The invention relates to the field of optical communication network modules, and provides a 4-channel CWDM QSFP optical module, comprising a QSFP base and four optical transmitting sub-devices. The four optical transmitting sub-devices are mounted on the base in parallel, and there is a gap between each of the optical transmitting sub-devices and the base. The QSFP optical module further includes CWDM optical components for multiplexing 4-channel optical signals emitted by the four optical transmitting sub-devices. The CWDM optical components comprise a single fiber pigtail for transmitting the multiplexed optical signal, the single fiber pigtail being at least partially located in the gap. The 4-channel CWDM QSFP optical module of the invention connects the four optical transmitting sub-devices with the CWDM optical components by a reasonable method of optical fiber winding, thereby solves the problem that it is difficult to achieve single-mode fiber coupling of four LDs in a small space.
    Type: Application
    Filed: June 15, 2018
    Publication date: October 31, 2019
    Inventors: Linke LI, Jian ZHANG, Xianwen YANG, Tianshu WU
  • Patent number: 10048456
    Abstract: The present invention provides a packaging device of single optical multiplexed parallel optical receiver coupling system component, comprising a housing having a transmission function, an adapter component and collimating lens. The upper surface of the housing is provided with a first groove and a second groove, the lower surface of the housing is provided with a third groove. One end of the housing is provided with a through hole which communicates with the first groove. One end of the collimating lens is connected with the adapter component, and the other end of the collimating lens passes through the through hole to the first groove. A first slope and a second slope are respectively provided on the adjacent side wall between the first groove and the second groove. The second slope is provided with a reflective film. The third groove is provided with a lens array having multiple channels.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: August 14, 2018
    Assignee: Linktel Technologies Co., Ltd.
    Inventors: Dingkun Hu, Jian Zhang, Xianwen Yang, Tianshu Wu, Linke Li
  • Publication number: 20180172929
    Abstract: The present invention provides a packaging device of single optical multiplexed parallel optical receiver coupling system component, comprising a housing having a transmission function, an adapter component and collimating lens. The upper surface of the housing is provided with a first groove and a second groove, the lower surface of the housing is provided with a third groove. One end of the housing is provided with a through hole which communicates with the first groove. One end of the collimating lens is connected with the adapter component, and the other end of the collimating lens passes through the through hole to the first groove. A first slope and a second slope are respectively provided on the adjacent side wall between the first groove and the second groove. The second slope is provided with a reflective film. The third groove is provided with a lens array having multiple channels.
    Type: Application
    Filed: June 16, 2017
    Publication date: June 21, 2018
    Applicant: Linktel Technologies Co., Ltd.
    Inventors: Dingkun Hu, Jian ZHANG, Xianwen YANG, Tianshu WU, Linke LI