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    Redundant and reconfigurable optical transceiver
    31.
    发明授权
    Redundant and reconfigurable optical transceiver 有权

    公开(公告)号：US09692511B1

    公开(公告)日：2017-06-27

    申请号：US15082313

    申请日：2016-03-28

    Applicant: MELLANOX TECHNOLOGIES, LTD

    Inventor： Alon Webman ,  Evelyn Landman ,  Eyal Waldman ,  Elad Mentovich ,  Sylvie Rockman ,  Itshak Kalifa ,  Yaakov Gridish

    IPC: H04B10/40 ,  H04B10/25

    CPC classification number: H04B10/2504 ,  H04B10/0795 ,  H04B10/40

    Abstract: A reconfigurable and redundant electro-optical connector and corresponding method are provided. The connector may include a first plurality of transducers in communication with a first port and a second plurality of transducers in communication with a second port, the first port and the first transducers defining a first channel and the second port and the second transducers defining a second channel. The connector may include a selective combiner to combine the first optical signals and the second optical signals, and a controller in communication with each of the transducers. The controller may transmit at least a first portion of a first datalink on at least the first channel in a first configuration. The controller may redistribute the first portion of the first datalink onto at least the second channel in a second configuration.

    HIGH-BANDWIDTH LASER HAVING OPTIMIZED PARASITIC TRANSFER FUNCTION
    32.
    发明申请
    HIGH-BANDWIDTH LASER HAVING OPTIMIZED PARASITIC TRANSFER FUNCTION 有权

    公开(公告)号：US20240388053A1

    公开(公告)日：2024-11-21

    申请号：US18198407

    申请日：2023-05-17

    Applicant: Mellanox Technologies, Ltd.

    Inventor： Itshak Kalifa ,  Elad Mentovich ,  Matan Galanty

    IPC: H01S3/0941 ,  H01S3/08 ,  H01S5/30

    Abstract: High-bandwidth lasers having minimized parasitic responses are described herein. In some embodiments, the present invention may be directed to a laser having a minimized parasitic response that is achieved by decreasing the active resistance of the laser's active region and decreasing the active capacitance of the laser. For example, the laser may include an active region having an active resistance as well as mirror regions, where the mirror regions have average dopant densities that decrease the active resistance of the active region and decrease the active capacitance of the laser. By decreasing the active resistance and the active capacitance, the −3 dB frequency of the parasitic response is increased. By increasing the −3 dB frequency of the parasitic response, a total response of the laser (e.g., a combination of an intrinsic response and the parasitic response) has a higher −3 dB frequency, thereby allowing the laser to operate at higher bandwidths.

    QUANTUM DEVICES AND MEMORY STRUCTURES FOR QUANTUM METROLOGY
    33.
    发明公开
    QUANTUM DEVICES AND MEMORY STRUCTURES FOR QUANTUM METROLOGY 审中-公开

    公开(公告)号：US20240354617A1

    公开(公告)日：2024-10-24

    申请号：US18137755

    申请日：2023-04-21

    Applicant: Mellanox Technologies, Ltd.

    Inventor： Elad Mentovich ,  Itshak Kalifa

    IPC: G06N10/40 ,  G06N10/20

    CPC classification number: G06N10/40 ,  G06N10/20

    Abstract: Quantum systems, devices, and methods are described herein that enable quantum metrology. An example quantum device includes a first quantum measurement module operably coupled with a first quantum system. The first quantum measurement module applies one or more measurements to the first quantum system and obtains first information associated with the first quantum system based on the one or more measurements. The quantum device further includes a first quantum memory structure operably coupled with the first quantum measurement module. A coherence time window associated with the first quantum memory structure is greater than a coherence time window time associated with the first quantum system. The quantum devices and associated memory structures provide a new methodology for a quantum metrology system.

    High speed high bandwidth vertical-cavity surface-emitting laser with controlled overshoot
    36.
    发明授权
    High speed high bandwidth vertical-cavity surface-emitting laser with controlled overshoot 有权

    公开(公告)号：US11362486B2

    公开(公告)日：2022-06-14

    申请号：US16589534

    申请日：2019-10-01

    Applicant: Mellanox Technologies, Ltd.

    Inventor： Itshak Kalifa ,  Elad Mentovich

    IPC: H01S5/183

    Abstract: A vertical-cavity surface-emitting laser (VCSEL) is provided. The VCSEL includes a mesa structure disposed on a substrate. The mesa structure includes a first reflector, a second reflector, and an active cavity material structure disposed between the first and second reflectors. The second reflector has an opening extending from a second surface of the second reflector into the second reflector by a predetermined depth. Etching into the second reflector to the predetermined depth reduces the photon lifetime and the threshold gain of the VCSEL, while increasing the modulation bandwidth and maintaining the high reflectivity of the second reflector. Thus, etching the second reflector to the predetermined depth provides an improvement in overshoot control, broader modulation bandwidth, and faster pulsing of the VCSEL such that the VCSEL may provide a high speed, high bandwidth signal with controlled overshoot.

    HYBRID QUANTUM KEY DISTRIBUTION LINK FOR AN OPTICAL TRANSCEIVER
    37.
    发明申请
    HYBRID QUANTUM KEY DISTRIBUTION LINK FOR AN OPTICAL TRANSCEIVER 有权

    公开(公告)号：US20220094535A1

    公开(公告)日：2022-03-24

    申请号：US17122140

    申请日：2020-12-15

    Applicant: Mellanox Technologies, Ltd.

    Inventor： Elad Mentovich ,  Itshak Kalifa ,  Ioannis (Giannis) Patronas ,  Paraskevas Bakopoulos ,  Eyal Waldman

    IPC: H04L9/08 ,  H04B10/70

    Abstract: Embodiments are disclosed for a quantum key distribution enabled intra-datacenter network. An example system includes a first vertical cavity surface emitting laser (VCSEL), a second VCSEL and a network interface controller. The first VCSEL is configured to emit a first optical signal associated with data. The second VCSEL is configured to emit a second optical signal associated with quantum key distribution (QKD). Furthermore, the network interface controller is configured to manage transmission of the first optical signal associated with the first VCSEL and the second optical signal associated with the second VCSEL via an optical communication channel coupled to a network interface module.

    Apparatuses and systems for improved copper connections
    39.
    发明授权
    Apparatuses and systems for improved copper connections 有权

    公开(公告)号：US10855331B1

    公开(公告)日：2020-12-01

    申请号：US16685400

    申请日：2019-11-15

    Applicant: Mellanox Technologies, Ltd.

    Inventor： Elad Mentovich ,  Anna Sandomirsky ,  Itshak Kalifa ,  Boaz Atias ,  Eyal Babish

    IPC: H04B3/00 ,  H04L25/00 ,  H04B3/02 ,  H01R13/66 ,  H01B1/02

    Abstract: Apparatuses, systems, and associated methods are described that provide signal transmission over copper media. An example module includes a number of electrical signal generators that each generate an electrical signal, and a signal modulation system that receives the electrical signals generated by the electrical signal generators. The signal modulation system further modulates each of the electrical signals such that each modulated electrical signal is distinguishable from the other modulated electrical signals. The module further includes an active copper multiplexer in electrical communication with the electrical signal generators that receives the modulated electrical signals from the signal modulation system. The active copper multiplexer further combines the multiple modulated signals into a single combined electrical signal and transmits the single combined electrical signal through a single copper cable.

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