Patents Assigned to OE Solutions Co., Ltd.
  • Publication number: 20210232017
    Abstract: An optical transceiver including a submount, a Mach-Zehnder Modulator (MZM), bonding wires, and a low pass filter type matching network is provided. The MZM includes an input port and an output port and disposed on the submount. The bonding wires are coupled to the submount and the MZM. The low pass filter type matching network is coupled to the bonding wires and is configured to absorb inductance of the bonding wires at a high frequency.
    Type: Application
    Filed: April 11, 2021
    Publication date: July 29, 2021
    Applicants: OE Solutions America, Inc., OE Solutions Co., Ltd.
    Inventors: Moon Soo PARK, Tae Young JEON
  • Patent number: 11009763
    Abstract: An optical transceiver including a submount, a Mach-Zehnder Modulator (MZM), bonding wires, and a low pass filter type matching network is provided. The MZM includes an input port and an output port and disposed on the submount. The bonding wires are coupled to the submount and the MZM. The low pass filter type matching network is coupled to the bonding wires and is configured to absorb inductance of the bonding wires at a high frequency.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: May 18, 2021
    Assignees: OE Solutions Co., Ltd., OE Solutions America, Inc.
    Inventors: Moon Soo Park, Tae Young Jeon
  • Publication number: 20200388989
    Abstract: According to an embodiment, a wavelength tunable laser comprising a gain region and a wavelength tunable area is disclosed. The wavelength tunable area comprises: a lower clad layer; a passive optical waveguide positioned on the lower clad layer; an upper clad layer positioned on the passive optical waveguide; a drive electrode positioned on the upper clad layer; a current blocking layer positioned on the drive electrode; a heater positioned on the current blocking layer; and a first insulating groove and a second insulating groove which are positioned so as to face each other with the passive optical waveguide therebetween.
    Type: Application
    Filed: November 28, 2017
    Publication date: December 10, 2020
    Applicant: OE SOLUTIONS CO., LTD.
    Inventor: Ki Hong YOON
  • Publication number: 20200073195
    Abstract: An optical transceiver including a submount, a Mach-Zehnder Modulator (MZM), bonding wires, and a low pass filter type matching network is provided. The MZM includes an input port and an output port and disposed on the submount. The bonding wires are coupled to the submount and the MZM. The low pass filter type matching network is coupled to the bonding wires and is configured to absorb inductance of the bonding wires at a high frequency.
    Type: Application
    Filed: August 28, 2019
    Publication date: March 5, 2020
    Applicants: OE Solutions America, Inc., OE SOLUTIONS CO., LTD.
    Inventors: Moon Soo PARK, Tae Young JEON
  • Publication number: 20200076510
    Abstract: A transmitter optical sub-assembly (TOSA) with low group delay (GD) performance over an operating frequency range of the TOSA is designed based on a synthesis of low pass filters. The low pass filters include a first stage low pass filter (LPF1) and a second stage low pass filter (LPF2) coupled to the LPF1 in a cascade form and a load impedance. The LPF1 and the LPF2 are configured to include inductance of stray components in the TOSA.
    Type: Application
    Filed: August 28, 2019
    Publication date: March 5, 2020
    Applicants: OE Solutions America, Inc., OE SOLUTIONS CO., LTD.
    Inventors: Moon Soo PARK, Tae Young JEON
  • Patent number: 10523203
    Abstract: An apparatus for saving power in an field programmable gate array (FPGA) in an optical communication device is provided. The apparatus includes at least one ring oscillator having an operating frequency disposed inside the FPGA, a core voltage switching unit configured to supply a core operating voltage to the FPGA, and control logic configured to adaptively output an adjusted new core voltage to the FPGA via the core voltage switching unit. The control logic is configured to output a core voltage control signal to the core voltage switching unit based on the operating frequency of the at least one ring oscillator. The core voltage switching unit is further configured to supply the adjusted new core voltage to the FPGA in accordance with the core voltage control signal.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: December 31, 2019
    Assignees: OE SOLUTIONS CO., LTD., AIMVALLEY B.V.
    Inventors: Christiaan Hoede, Rob Farla
  • Patent number: 10241286
    Abstract: An optical transmitter and an optical module including the optical transmitter are provided. The optical transmitter may include a support substrate, a temperature control module disposed on the support substrate, a sub-mount disposed on the temperature control module, a prism disposed on the temperature control module and having a sloped surface, a light receiving element disposed on the temperature control module, a light emitting element disposed on the sub-mount, and a thermistor disposed on the sub-mount. The light receiving element may be disposed separately from the sub-mount in a first direction, and the prism may be disposed between the light receiving element and the sub-mount. Some first light emitted from the light emitting element may be reflected by the sloped surface of the prism, and some of the first light may pass through the prism and be received by the light receiving element.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: March 26, 2019
    Assignee: OE SOLUTIONS CO., LTD.
    Inventors: Eun Kyo Jung, Hyun Chang Shin, Dai Hyoung Koo
  • Patent number: 10191232
    Abstract: Disclosed is an optical module including an optical transmitter which is configured to output a first optical signal, an optical receiver which is configured to receive a second optical signal, a holder which is configured to include an optical fiber on which the first optical signal is incident and from which the second optical signal is emitted. The optical module further includes a first optical filter disposed between the optical transmitter and the holder to transmit the first optical signal and reflect the second optical signal, a first parallel light lens disposed between the first optical filter and the optical transmitter, and a second parallel light lens disposed between the first optical filter and the holder.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: January 29, 2019
    Assignee: OE SOLUTIONS CO., LTD.
    Inventors: Mi Hee Hwang, Hyun Chang Shin, Eun Kyo Jung
  • Publication number: 20180175858
    Abstract: An apparatus for saving power in an field programmable gate array (FPGA) in an optical communication device is provided. The apparatus includes at least one ring oscillator having an operating frequency disposed inside the FPGA, a core voltage switching unit configured to supply a core operating voltage to the FPGA, and control logic configured to adaptively output an adjusted new core voltage to the FPGA via the core voltage switching unit. The control logic is configured to output a core voltage control signal to the core voltage switching unit based on the operating frequency of the at least one ring oscillator. The core voltage switching unit is further configured to supply the adjusted new core voltage to the FPGA in accordance with the core voltage control signal.
    Type: Application
    Filed: December 16, 2016
    Publication date: June 21, 2018
    Applicants: OE SOLUTIONS CO., LTD., AimValley B.V.
    Inventors: Christiaan HOEDE, Rob FARLA
  • Patent number: 9995891
    Abstract: An optical module includes a case including an optical filter, a receptacle coupled to the case, an optical receiver, and an optical transmitter. The receptacle includes a recess formed along an outer circumferential surface thereof. The recess may be formed by a first side wall and a second side wall which face each other and a bottom surface coupling the first side wall to the second side wall. Further, at least one of the first side wall and the second side wall may include an insulating material.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: June 12, 2018
    Assignee: OE SOLUTIONS CO., LTD.
    Inventors: Se Hee Han, Eun Kyo Jung, Na Young Goh, Tae Kyun Kim
  • Patent number: 9998225
    Abstract: An optical transceiver for use in network device in a packet network is provided. The network device may not be capable of providing a ring topology without use of the apparatus. The network device is configured to support at least two optical interfaces and an electrical interface, and coupled to an optical link. The optical transceiver includes a memory, a processor coupled to the memory, and a scheduler coupled to the processor. The scheduler of the optical transceiver is configured to perform as an information base for forwarding and transferring of packets and to use an optical link as a packet buffer.
    Type: Grant
    Filed: August 6, 2016
    Date of Patent: June 12, 2018
    Assignee: OE SOLUTIONS CO., LTD.
    Inventor: Gwangyong Yi
  • Publication number: 20180113261
    Abstract: An optical module includes a case including an optical filter, a receptacle coupled to the case, an optical receiver, and an optical transmitter. The receptacle includes a recess formed along an outer circumferential surface thereof. The recess may be formed by a first side wall and a second side wall which face each other and a bottom surface coupling the first side wall to the second side wall. Further, at least one of the first side wall and the second side wall may include an insulating material.
    Type: Application
    Filed: October 20, 2016
    Publication date: April 26, 2018
    Applicant: OE SOLUTIONS CO., LTD.
    Inventors: Se Hee HAN, Eun Kyo JUNG, Na Young GOH, Tae Kyun KIM
  • Patent number: 9942025
    Abstract: Disclosed is an electrical transceiver for synchronous Ethernet, including: a first interface connected with a host; a second interface including a physical layer (PHY) transceiver connected with a serial link; and a processor connected with the first interface and the second interface, wherein the processor includes a timing control unit controlling a transmission signal transmitted to the second interface from the first interface and a reception signal transmitted to the first interface from the second interface to have the same time delay.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: April 10, 2018
    Assignees: OE SOLUTIONS CO., LTD., AIMVALLEY B.V.
    Inventors: Willem Van Den Bosch, Niels Schipper
  • Publication number: 20180041277
    Abstract: An optical transceiver for use in network device in a packet network is provided. The network device may not be capable of providing a ring topology without use of the apparatus. The network device is configured to support at least two optical interfaces and an electrical interface, and coupled to an optical link. The optical transceiver includes a memory, a processor coupled to the memory, and a scheduler coupled to the processor. The scheduler of the optical transceiver is configured to perform as an information base for forwarding and transferring of packets and to use an optical link as a packet buffer.
    Type: Application
    Filed: August 6, 2016
    Publication date: February 8, 2018
    Applicant: OE SOLUTIONS CO., LTD.
    Inventor: Gwangyong Yi
  • Patent number: 9882704
    Abstract: Disclosed are apparatuses and methods in data communications for adding new system functions to an existing network element without having to provide software or hardware updates to the existing network element. For example, an apparatus for data communication is configured to include a switching unit, a plurality of interfaces coupled to the switching unit, and a plurality of smart transceivers. The plurality of smart transceivers each comprises a discovery unit and a new system function unit. The discovery unit is configured to discover other smart transceivers coupled to the plurality of interfaces and the new system function unit is configured to add one or more new functionalities to the apparatus without adding software or hardware updates to the apparatus.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: January 30, 2018
    Assignees: OE Solutions Co. Ltd., AimValley B.V.
    Inventor: Willem van den Bosch
  • Publication number: 20180003908
    Abstract: An optical transmitter and an optical module including the optical transmitter are provided. The optical transmitter may include a support substrate, a temperature control module disposed on the support substrate, a sub-mount disposed on the temperature control module, a prism disposed on the temperature control module and having a sloped surface, a light receiving element disposed on the temperature control module, a light emitting element disposed on the sub-mount, and a thermistor disposed on the sub-mount. The light receiving element may be disposed separately from the sub-mount in a first direction, and the prism may be disposed between the light receiving element and the sub-mount. Some first light emitted from the light emitting element may be reflected by the sloped surface of the prism, and some of the first light may pass through the prism and be received by the light receiving element.
    Type: Application
    Filed: June 30, 2016
    Publication date: January 4, 2018
    Applicant: OE SOLUTIONS CO., LTD.
    Inventors: Eun Kyo JUNG, Hyun Chang SHIN, Dai Hyoung KOO
  • Publication number: 20170371112
    Abstract: Disclosed is an optical module including an optical transmitter which is configured to output a first optical signal, an optical receiver which is configured to receive a second optical signal, a holder which is configured to include an optical fiber on which the first optical signal is incident and from which the second optical signal is emitted. The optical module further includes a first optical filter disposed between the optical transmitter and the holder to transmit the first optical signal and reflect the second optical signal, a first parallel light lens disposed between the first optical filter and the optical transmitter, and a second parallel light lens disposed between the first optical filter and the holder.
    Type: Application
    Filed: June 28, 2017
    Publication date: December 28, 2017
    Applicant: OE SOLUTIONS CO., LTD.
    Inventors: Mi Hee HWANG, Hyun Chang SHIN, Eun Kyo JUNG
  • Patent number: 9485026
    Abstract: A scheme is described for remote control of the wavelength of a tunable transmitter in a smart small form-factor pluggable (SFP) transceiver, a smart SFP plus (SFP+) transceiver, a smart 10 gigabit small form-factor pluggable (XFP) transceiver, a smart duplex transceiver, a smart bidirectional (BiDi) transceiver, or a smart single wavelength single fiber (SWSF) BiDi-transceiver in a communication system using an operating system with Operation, Administration, and Maintenance (OAM) and Proprietary Protocol (PP) functions; an OAM, PP & Payload Processor; a transceiver; an optical spectrum analyzer; a bit error rate test (BERT); and an optical link in the field.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: November 1, 2016
    Assignee: OE SOLUTIONS CO., LTD.
    Inventors: Kwang Soo Park, Moon Soo Park
  • Patent number: 9438353
    Abstract: Disclosed is an optical communication receiver capable of compensating a DC offset while preventing an input load effect. The optical communication receiver includes an optical signal detector; an amplifier inputted with a photocurrent outputted from the optical signal detector; and a DC offset compensation unit provided therein with a third transistor and a fifth transistor which are connected in series to each other to prevent an input load effect, wherein the DC offset compensation unit compensates a DC offset by outputting at least a portion of DC current inputted to the amplifier to ground through the third transistor and the fifth transistor when the photocurrent is an over current more than a predetermined set value.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: September 6, 2016
    Assignees: Industry-University Cooperation Foundation Hanyang University, OE Solutions Co., Ltd.
    Inventors: Tae-Yeoul Yun, Moon Soo Park, Ji-Young Lee, Ji-Young Lee, Jun-Young Park
  • Publication number: 20160218855
    Abstract: Disclosed is an electrical transceiver for synchronous Ethernet, including: a first interface connected with a host; a second interface including a physical layer (PHY) transceiver connected with a serial link; and a processor connected with the first interface and the second interface, wherein the processor includes a timing control unit controlling a transmission signal transmitted to the second interface from the first interface and a reception signal transmitted to the first interface from the second interface to have the same time delay.
    Type: Application
    Filed: April 1, 2016
    Publication date: July 28, 2016
    Applicants: OE SOLUTIONS CO., LTD., AimValley B.V.
    Inventors: Willem Van Den BOSCH, Niels SCHIPPER