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公开(公告)号：US20230362083A1
公开(公告)日：2023-11-09
申请号：US17735501
申请日：2022-05-03
Applicant: Microsoft Technology Licensing, LLC
Inventor： Denizcan BILLOR , Tristan Naoki STRUTHERS , Yang ZHENG , Jamie GAUDETTE
IPC: H04L43/0888 , H04L12/46
CPC classification number: H04L43/0888 , H04L12/4633
Abstract: Systems, methods, and software are disclosed herein for discovering inconsistent latencies in data center environments. In an implementation, a method for detecting inconsistent latency in a network comprises generating test traffic comprising encapsulated packets to transmit along a route from a source device to a destination device and supplying the test traffic to a bundle of interfaces of the source device to transmit to the destination device over multiple physical paths. The method continues with identifying latencies of the encapsulated packets along the route, and identifying an occurrence of inconsistent latency with respect to the bundle of interfaces based at least on the latencies of the encapsulated packets.
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公开(公告)号：US20250110280A1
公开(公告)日：2025-04-03
申请号：US18478422
申请日：2023-09-29
Applicant: Microsoft Technology Licensing, LLC
Inventor： Binbin GUAN , Jamie GAUDETTE , Yawei YIN , Denizcan BILLOR
Abstract: A high-power multiplexer/demultiplexer (“mux/demux”) and a three-dimensional (“3D”) printed phase mask are provided for hollow-core optical fiber applications. The high-power mux/demux includes hollow core optical fiber interfaces configured to couple with free-space optical fiber cables, a diffraction grating, a 3D printed phase mask, and a set of lenses. The diffraction grating is configured, based on different wavelengths, either to at least diffract each optical signal of a plurality of optical signals having different wavelengths into two or more optical signals or to at least diffract a single optical signal having multiple wavelengths into a plurality of optical signals. The phase mask includes reflective features configured to reflect optical signals at different optical path lengths to provide reflected optical signals with different phases. The set of lenses is configured to collimate optical signals onto or from the diffraction grating or to focus optical signals onto or from the phase mask.
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公开(公告)号：US20250080263A1
公开(公告)日：2025-03-06
申请号：US18460892
申请日：2023-09-05
Applicant: Microsoft Technology Licensing, LLC
Inventor： Denizcan BILLOR , Jamie GAUDETTE
IPC: H04J14/02
Abstract: Systems and methods are provided for implementing an ultra-scalable high-performance computing (“HPC”) network using dense wavelength-division multiplexing (“DWDM”). The HPC system includes an interconnection of GPU devices, multiplexer/demultiplexer (“mux/demux”) devices, amplifiers, wavelength selective switches (“WSSs”), and optical circuit switches (“OCSs”). Each OCS includes a plurality of micro-electromechanical systems (“MEMS”) mirrors and a plurality of input/output (“I/O”) ports each communicatively coupled to one WSS mux/demux device one WSS. Each WSS mux/demux device is either communicatively coupled to one of the I/O ports of an OCS or one of a plurality of GPU mux/demux devices via an amplifier. Each GPU mux/demux device is communicatively coupled to a number of GPU devices, each including another number GPUs and one or more optoelectronic devices. Selectively controlling the MEMS mirrors of the OCSs and the WSS mux/demux devices of the WSSs allows connecting the GPUs in a network topology for computing a series of computations.
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公开(公告)号：US20250110281A1
公开(公告)日：2025-04-03
申请号：US18374681
申请日：2023-09-29
Applicant: Microsoft Technology Licensing, LLC
Inventor： Binbin GUAN , Denizcan BILLOR , Jamie Dorea GAUDETTE , Yawei YIN
Abstract: A device for transmitting data from a plurality of solid core optical fibers to a hollow core fiber comprises a multiplexer; a first 4F optical system that is operative to receive the light output from the multiplexer; an amplifier disposed downstream of the first 4F optical system and upstream of a second 4F optical system, where the second 4F optical system is operative to receive amplified light output from the amplifier and output the amplified light to the hollow core fiber in a form that is compatible with the hollow core fiber.
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公开(公告)号：US20240405881A1
公开(公告)日：2024-12-05
申请号：US18325684
申请日：2023-05-30
Applicant: Microsoft Technology Licensing, LLC
Inventor： Binbin GUAN , Yawei YIN , Jamie Dorea GAUDETTE , Denizcan BILLOR
IPC: H04B10/532 , H04B10/25 , H04B10/556
Abstract: A system for monitoring coherent optical service channel includes a transmitter configured to generate a multiple polarization signal based on an input signal, a hollow core fiber (HCF) configured to transmit the multiple polarization signal, a receiver configured to receive the multiple polarization signal, and a digital signal processor (DSP) configured to monitor one or more operating parameters of the received multiple polarization signal. The multiple polarization signal may use both the phase and the frequency polarization to multiplex the optical signal.
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Patent Agency Ranking
公开(公告)号：US20250164721A1
公开(公告)日：2025-05-22
申请号：US18518119
申请日：2023-11-22
Applicant: Microsoft Technology Licensing, LLC
Inventor： Denizcan BILLOR , Binbin GUAN , Yawei YIN , Jamie GAUDETTE
Abstract: Examples of the present disclosure describe an interlock mechanism for optical fibers. A protective enclosure for selectively covering a manual release mechanism of an optical fiber connector is described. In some examples, an optical system includes the protective enclosure, a mechanical actuator, and an optical device, among other components. A user interacts with the mechanical actuator to move the protective enclosure to a covered position or an uncovered position, disallowing or allowing, respectively, physical access to the manual release mechanism. The user's interaction with the mechanical actuator also concurrently turns the optical device on, off, or to a different power level, which provides, stops, or reduces the power of, respectively, optical signals provided to the optical fibers via the optical connector.
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公开(公告)号：US20240275703A1
公开(公告)日：2024-08-15
申请号：US18569920
申请日：2022-06-13
Applicant: Microsoft Technology Licensing, LLC
Inventor： Yang ZHENG , Denizcan BILLOR , Tristan Naoki STRUTHERS , Jamie D. GAUDETTE , Surinder HARI
IPC: H04L43/0829 , H04L41/0631
CPC classification number: H04L43/0841 , H04L41/0631
Abstract: A method, implemented at a computer system in a network, for localizing network failure in the network includes enumerating at least one path between the computer system and a path destination node in the network through one or more intermediary nodes. The method further includes enumerating a plurality of sub-paths between the computer system and the path destination node. Each sub-path has either the path destination node, or one or more intermediary nodes of the corresponding path as a corresponding sub-path destination node. For each of the plurality of sub-paths, determining a probability that a data packet can successfully traverse the round trip of the corresponding sub-path and identifying a node in the network where network failure have occurred.
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公开(公告)号：US20220329507A1
公开(公告)日：2022-10-13
申请号：US17850279
申请日：2022-06-27
Applicant: Microsoft Technology Licensing, LLC
Inventor： Jamie Dorea GAUDETTE , Denizcan BILLOR , Tristan Naoki STRUTHERS
IPC: H04L43/0823 , H04L43/50
Abstract: Increasing a resolution of an error rate detectable on a link between two network nodes includes transmitting an IP-in-IP encapsulated test packet back and forth between the two network nodes. The test packet includes a series of nested data packets having alternating destinations between the two network nodes. The test packet is transmitted on the data plane of the network, thereby increasing the resolution of the detectable error rate.
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公开(公告)号：US20250110302A1
公开(公告)日：2025-04-03
申请号：US18374680
申请日：2023-09-29
Applicant: Microsoft Technology Licensing, LLC
Inventor： Denizcan BILLOR , Jamie Dorea GAUDETTE , Yawei YIN , Binbin GUAN
Abstract: A system for transmitting a light signal between a first solid core optical fiber network and a hollow core fiber network includes a plurality of transponder-amplifiers, where each transponder-amplifier of the plurality of transponder-amplifiers comprises a transponder in optical communication with one of a power amplifier and a pre-amplifier. The plurality of transponder-amplifiers is in optical communication with the first solid core optical fiber network and is operative to receive a plurality of first light signals from the plurality of transponder amplifiers. A multiplexer located downstream of the plurality of transponder-amplifiers is operative to receive the plurality of first light signals. The multiplexer is operative to select between a plurality of first light signals and transmits at least one light signal of the plurality of first light signals to the hollow core fiber network.
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公开(公告)号：US20240421902A1
公开(公告)日：2024-12-19
申请号：US18335646
申请日：2023-06-15
Applicant: Microsoft Technology Licensing, LLC
Inventor： Yawei YIN , Binbin GUAN , Jamie GAUDETTE , Denizcan BILLOR
Abstract: Systems and methods are provided for implementing a free space optical backplane structure including a body and a plurality of mirrors. The body includes a chamber, a front panel, and a plurality of apertures disposed in the front panel, the plurality of apertures including a first set of apertures and a second set of apertures. The plurality of mirrors includes first and second arrays of mirrors mounted at first and second sets of heights, respectively, within the chamber, and is aligned with the first and second sets of apertures located in the front panel. The first and second arrays of mirrors are arranged to direct laser signals travelling through free space that are transmitted from or to a first device through the first set of apertures, between the first and second arrays of mirrors, and to or from a corresponding second device through the second set of apertures.
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