公开(公告)号：US12003611B2

公开(公告)日：2024-06-04

申请号：US17349442

申请日：2021-06-16

申请人： SAGEMCOM BROADBAND SAS

发明人： Anthony Reuche

IPC分类号： H04B10/00 ,  H04B10/2581 ,  H04B10/27 ,  H04B10/40 ,  H04L7/00

CPC分类号： H04L7/0075 ,  H04B10/2581 ,  H04B10/27 ,  H04B10/40

摘要： An item of ONU equipment configures itself to communicate by a first transport system with OLT equipment in an optical access network, and starts a synchronisation for the first transport system and transmits by means of the first transport system. The ONU equipment transmits, via a protocol layer supervising any transport system of the optical access network, without waiting for the end of the synchronisation for the first transport system, information dependent on identifiers of the user equipment and the first transport system. When the transport system to be used is not the first transport system, the protocol layer supervising any transport system of the optical access network interrupts the synchronisation at the OLT equipment, and the ONU equipment reattempts the synchronisation with a second transport system; otherwise the synchronisation continues for the first transport system until the ONU equipment is put in communication in the optical access network.

公开(公告)号：US20240171279A1

公开(公告)日：2024-05-23

申请号：US17989999

申请日：2022-11-18

申请人： Cisco Technology, Inc.

发明人： Antonio Carugati ,  Jerrold M. Pianin ,  Theodor Kupfer

IPC分类号： H04B10/2581 ,  H04B10/80

CPC分类号： H04B10/2581 ,  H04B10/808

摘要： A method is performed by a host assembly including a controller, a power supply circuit, and a host connector to be connected to an optical module of a particular type among different types of optical modules respectively configured to accept different types of supply voltages. The method includes: when the optical module is connected to the host assembly, identifying a particular type of supply voltage, among the different types of the supply voltages, that the optical module is configured to accept; selecting, among different power modes available to the host assembly that are respectively compatible with the different types of the supply voltages, a particular power mode that is compatible with the particular type of the supply voltage; and operating in the particular power mode to provide the particular type of the supply voltage to the optical module.

公开(公告)号：US20240146437A1

公开(公告)日：2024-05-02

申请号：US18570182

申请日：2022-01-24

申请人： NEC Corporation

发明人： Mingqi WU ,  Kazushi MURAOKA

IPC分类号： H04J14/02 ,  H04B10/079 ,  H04B10/2581

CPC分类号： H04J14/0221 ,  H04B10/07953 ,  H04B10/2581

摘要： A penalty is introduced to the channel with less noise when the difference in the transmitted signal quality among channels is reduced; therefore, an equalization apparatus according to an exemplary aspect of the disclosure includes a processing means for performing a process associated with a signal using a transfer function with a coefficient, the signal propagating through each of a plurality of channels; and a coefficient generating means for generating the coefficient based on channel quality information on each of the plurality of channels.

公开(公告)号：US11916598B2

公开(公告)日：2024-02-27

申请号：US17229510

申请日：2021-04-13

申请人： AvicenaTech Corp.

发明人： Robert T. Weverka ,  Robert Kalman ,  Bardia Pezeshki ,  Alexander Tselikov ,  Cameron Danesh

IPC分类号： H04B10/50 ,  H04B10/25 ,  G02B6/02 ,  G02B6/42 ,  H04B10/2581

CPC分类号： H04B10/502 ,  H04B10/25 ,  G02B6/02042 ,  G02B6/42 ,  H04B10/2581 ,  H04B10/50

摘要： Coupling of light from large angular distribution microLEDs into smaller angular acceptance distribution of transmission channels is performed using optical elements.

公开(公告)号：US11909448B2

公开(公告)日：2024-02-20

申请号：US17439519

申请日：2019-11-22

申请人： NEC Corporation

发明人： Isao Tomita

IPC分类号： H04B10/00 ,  H04B10/40 ,  G02B6/42 ,  H04B10/2581

CPC分类号： H04B10/40 ,  G02B6/4206 ,  G02B6/4246 ,  H04B10/2581

摘要： Provided is a single-fiber bi-directional optical transceiver sub-assembly capable of improving the wavelength separation characteristics of a multiplexing/demultiplexing filter while also attaining a compact size. A single-fiber bi-directional optical transceiver sub-assembly is provided with a housing, an optical receptacle, a multiplexing/demultiplexing filter, a receiving-side photoelectric converter, a transmitting-side photoelectric converter, an isolator, and a collimating lens. The multiplexing/demultiplexing filter is disposed on the optical path between the optical receptacle and the transmitting-side photoelectric converter and on the optical path between the optical receptacle and the receiving-side photoelectric converter. The isolator passes optical signals outputted from the transmitting-side photoelectric converter and blocks optical signals proceeding to the transmitting-side photoelectric converter. The collimating lens is disposed at a position that fits into the external size of the housing, and collimates incident light on the multiplexing/demultiplexing filter.

公开(公告)号：US20240012202A1

公开(公告)日：2024-01-11

申请号：US18038465

申请日：2021-01-29

申请人： CORNING INCORPORATED

发明人： Paulo Clovis Dainese, JR. ,  Kangmei Li ,  Ming-Jun Li ,  Jun Yang

IPC分类号： G02B6/26 ,  G02B1/00 ,  G02B6/02 ,  H04B10/2581

CPC分类号： G02B6/264 ,  G02B1/002 ,  G02B6/02042 ,  H04B10/2581 ,  G02B2207/101

摘要： An apparatus comprises a fiber input, the fiber input comprising a plurality of input fiber cores receiving a plurality of input optical signals. The apparatus also comprises an optical signal manipulation device that is one of a fiber mode shuffler, a fiber coupler, a power splitter, or a 90-degree optical hybrid. The optical signal manipulation device comprises an input aperture held in spaced relation to the fiber input, an output aperture, and a plurality of metasurfaces that manipulate phase profiles of the plurality optical signals to generate a plurality of output optical signals having a different spatial arrangement than the input optical signal. A fiber output is held in spaced relation to the output aperture such that fiber cores of the fiber output receive the plurality of output optical signals.

公开(公告)号：US11764452B2

公开(公告)日：2023-09-19

申请号：US17672876

申请日：2022-02-16

申请人： Intel Corporation

发明人： Georgios Dogiamis ,  Adel A. Elsherbini ,  Telesphor Kamgaing ,  Henning Braunisch ,  Johanna M. Swan

IPC分类号： H01P3/16 ,  H01L23/66 ,  H01P11/00 ,  H04B10/2581

CPC分类号： H01P3/16 ,  H01L23/66 ,  H01P11/006 ,  H01L2223/6627 ,  H04B10/2581

摘要： Disclosed herein are various designs for dielectric waveguides, as well as methods of manufacturing such waveguides. One type of dielectric waveguides described herein includes waveguides with one or more cavities in the dielectric waveguide material. Another type of dielectric waveguides described herein includes waveguides with a conductive ridge in the dielectric waveguide material. Dielectric waveguides described herein may be dispersion reduced dielectric waveguides, compared to conventional dielectric waveguides, and may be designed to adjust the difference in the group delay between the lower frequencies and the higher frequencies of a chosen bandwidth.

公开(公告)号：US20230288466A1

公开(公告)日：2023-09-14

申请号：US18016908

申请日：2020-08-07

申请人： NIPPON TELEGRAPH AND TELEPHONE CORPORATION

发明人： Tomokazu ODA ,  Atsushi NAKAMURA ,  Daisuke IIDA ,  Hiroyuki OSHIDA

IPC分类号： G01R29/08 ,  H04B10/073

CPC分类号： G01R29/0885 ,  H04B10/073 ,  H04B10/2581

摘要： distribution of the any higher-order mode.

公开(公告)号：US20230239055A1

公开(公告)日：2023-07-27

申请号：US18127586

申请日：2023-03-28

申请人： MACOM Technology Solutions Holdings, Inc.

发明人： Daniel DRAPER ,  Merrick BROWNLEE

IPC分类号： H04B10/524 ,  H04B10/079 ,  H04B10/2581

CPC分类号： H04B10/524 ,  H04B10/0795 ,  H04B10/2581 ,  H04B10/50572

摘要： A multi-level optical signal is sampled to generate an eye diagram. The signal can be adjusted when eyes in the eye diagram have different heights. More specifically, a first value is determined, and the height of a first eye is adjusted using the first value. The first value is multiplied by a stored factor to produce a second value, and the height of a second eye is adjusted using the second value, and so on for other eyes. As a result, eye heights are the same. Similarly, optical power levels of the signal can be adjusted when the levels are not equally spaced. As a result, the optical power levels are equally spaced.

公开(公告)号：US20230179302A1

公开(公告)日：2023-06-08

申请号：US18072804

申请日：2022-12-01

申请人： Panduit Corp.

发明人： Jose M. Castro ,  Yu Huang ,  Bulent Kose ,  Asher S. Novick ,  Kevin A. Marley ,  Brian L. Kelly

IPC分类号： H04B10/2581 ,  H04B10/61

CPC分类号： H04B10/2581 ,  H04B10/612 ,  H04B10/615

摘要： An apparatus having input and output ports using a plurality of optical connector adapters, wherein the fiber connections can follow a specific mesh pattern has a plurality of fibers inside the apparatus. The fibers pass through at least one mandrel and are designed to produce a leakage in the transmitted light from each fiber of least −30 dBm, wherein the fiber buffer of fibers around the mandrel are partially stripped in at least one section. The apparatus also has an imaging system consisting of at least a lens, camera sensor and an optical filter are placed in proximity to the fiber striped section wherein the optical filter has spectral properties tuned or partially tuned to the operational wavelength of the network and the optical filter is placed in the light path before the camera sensor.