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公开(公告)号：WO2017161602A1
公开(公告)日：2017-09-28
申请号：PCT/CN2016/078466
申请日：2016-04-05
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： GOODWILL, Dominic John , CHROSTOWSKI, Lukas , MEHRVAR, Hamid
IPC: G02B6/12
Abstract: A hybrid electronic optical chip has a first photonic element with which a first diode is associated, a second photonic element with which a second diode is associated and a common electrical driver connected to the first and second diodes by a common electrical connection with opposite polarity. The electrical driver generates a common electrical drive signal divided in time into first and second drive signal components for independently driving the first and second photonic elements through the common electrical connection.
Abstract translation: 混合电子光学芯片具有与第一二极管相关联的第一光子元件，与第二二极管相关联的第二光子元件以及与第一二极管和第二二极管相连的公共电驱动器， 一个具有相反极性的公共电连接。 电驱动器产生共时的电驱动信号以及时间分成第一和第二驱动信号分量，用于通过公共电连接独立地驱动第一和第二光子元件。
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公开(公告)号：WO2017080297A1
公开(公告)日：2017-05-18
申请号：PCT/CN2016/098461
申请日：2016-09-08
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： MANSOURI RAD, Mohammad Mehdi , MEHRVAR, Hamid
IPC: H04B10/25
CPC classification number: H04B10/07953 , H04B10/0793 , H04B10/27 , H04J14/0271
Abstract: Routing of optical paths through an optical network may account for both linear and non-linear effects of the physical layer when determining the route. The non-linear effects may be determined only as necessary, allowing the non-linear effects to be included in the routing determination for larger optical networks.
Abstract translation: 在确定路由时，光路径通过光网络的路由可以考虑物理层的线性和非线性影响。 非线性效应可以仅在必要时确定，从而允许非线性效应被包括在用于较大光网络的路由确定中。
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公开(公告)号：WO2016206111A1
公开(公告)日：2016-12-29
申请号：PCT/CN2015/082534
申请日：2015-06-26
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： MEHRVAR, Hamid , QIAN, Yi
IPC: H04J14/00
CPC classification number: H04Q11/0066 , H04B10/07953 , H04L45/62 , H04L47/70 , H04L49/357 , H04Q2011/0049
Abstract: A method and apparatus for routing signals through a photonic switch are provided. Optical Signal-to-Noise Ratio (OSNR) requirements for signals to be concurrently routed through the switch are determined, and incoming signal routing requests are blocked when routing same would violate OSNR requirements. Blocking may occur when a maximum allowed number M of lightpaths of same wavelength would be exceeded by admitting the request. Otherwise, signals are routed along a lightpath which satisfies the OSNR requirements. Cell Extinction Ratio in conjunction with OSNR requirements can be used to determine M. Switching cells can potentially accommodate multiple lightpaths of different wavelengths, but regular switching cells may be inhibited from accommodating multiple lightpaths of same wavelength. Routing solutions which maximize both cell sharing and cell packing may be sought. Routes that violate crosstalk limitation conditions are inhibited.
Abstract translation: 提供了一种通过光子开关路由信号的方法和装置。 确定通过交换机同时路由的信号的光信噪比（OSNR）要求，当路由相同时，传入信号路由请求将被阻止，这将违反OSNR要求。 通过接受请求可以超过相同波长的光路的最大允许数量M时，可能会发生阻塞。 否则，信号沿满足OSNR要求的光路路由。 细胞消光比结合OSNR要求可以用于确定M.切换单元可能潜在地适应不同波长的多个光路，但是可以抑制规则的开关单元容纳相同波长的多个光路。 可以寻求使细胞共享和细胞包装最大化的路由解决方案。 违反串扰限制条件的路由被禁止。
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公开(公告)号：WO2014177053A3
公开(公告)日：2014-11-06
申请号：PCT/CN2014/076534
申请日：2014-04-30
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： MEHRVAR, Hamid , QIAN, Yi , DUMAIS, Patrick , GOODWILL, Dominic , BERNIER, Eric
Abstract: Crosstalk can be suppressed in photonic switching fabrics by activating unused photonic elements in a manner that manipulates the inactive connections and inhibits the propagation of cross-talk over the switching fabric. For example, unused photonic elements can be set to a cross or bar configuration to block first and second order crosstalk from propagating to the output ports, thereby reducing noise in the output signals. All of the unused elements can be activated in order to maximize crosstalk suppression. Alternatively, fewer than all of the unused elements may be activated to achieve a balance between crosstalk suppression and power conservation. Photonic switch architectures can be configured to use pre-determined cross-talk suppression maps (e.g., patterns of activated unused cells) for the various switching configurations, which may be computed using a recursive algorithm.
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公开(公告)号：WO2021004514A1
公开(公告)日：2021-01-14
申请号：PCT/CN2020/101209
申请日：2020-07-10
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： MEHRVAR, Hamid , ZHANG, Chunshu
Abstract: A system and method for a tunable optical delay line. The tunable optical delay line comprises a coarse delay portion that provides a coarse delay amount, the coarse delay portion including a coarse delay selection element in conjunction with a coarse delay element (102), the coarse delay selection element incorporated on-chip into a photonic integrated circuit (IC) component (203), the coarse delay element (102) being disposed off-chip of the photonic IC component (203) and interconnected with the coarse delay selection element; and a fine delay element (101) that provides a fine delay amount, the fine delay element (101) interconnected in series with the coarse delay selection element, the optical delay line being tunable to a target delay amount by agglomerating the coarse and fine delay amounts.
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Patent Agency Ranking
公开(公告)号：WO2018001174A1
公开(公告)日：2018-01-04
申请号：PCT/CN2017/089634
申请日：2017-06-22
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
IPC: H04B10/25
Abstract: Transmitter, receiver, system and method for secure data communications are provided. The transmitter encodes data as a spatial symbol in accordance with a codebook to transmit spatially encoded data through the optical channel. The receiver detects a spatial symbol from spatially encoded data received through the optical channel, and generates a data value based on a codebook and the spatial symbol.
Abstract translation: 提供了用于安全数据通信的发射机，接收机，系统和方法。 发射机根据码本将数据编码为空间符号以通过光学信道发送经空间编码的数据。 接收机从通过光通道接收的空间编码数据中检测空间符号，并且基于码本和空间符号生成数据值。
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公开(公告)号：WO2017075938A1
公开(公告)日：2017-05-11
申请号：PCT/CN2016/078469
申请日：2016-04-05
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： KIAEI, Mohammad , MEHRVAR, Hamid
IPC: H04L12/869
CPC classification number: H04Q11/0005 , H04Q11/0003 , H04Q2011/0039 , H04Q2011/0049 , H04Q2011/005 , H04Q2011/0056
Abstract: Routing connections evenly through each plane of a multi-plane switch can reduce crosstalk in a switch. The routing of the connections can be parallelized in order to provide high speed routing of the connections.
Abstract translation: 均匀地通过多平面交换机的每个平面路由连接可以减少交换机中的串扰。 连接的路由可以并行化，以提供连接的高速路由。
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8.发明申请
公开(公告)号：WO2017028650A1
公开(公告)日：2017-02-23
申请号：PCT/CN2016/090518
申请日：2016-07-19
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： KIAEI, Mohammad , MEHRVAR, Hamid
IPC: H04Q11/00
CPC classification number: H04Q11/0003 , H04L49/1523 , H04Q11/0005 , H04Q11/0062 , H04Q2011/0037
Abstract: A method and apparatus for routing received connection demands through a photonic switch having multiple parallel instances of a switching plane is provided. Routing respects the constraint that each cell of the switch accommodates a maximum of one lightpath. Connection demands are routed one at a time via switching plane instances where it is possible without violating the constraint. When a demand cannot be routed, a re-arrangement step is performed. A previously routed demand that conflicts with the blocked demand is identified and de-allocated. The blocked demand is then routed in place of this de-allocated demand, which is now considered blocked. The process repeats until no blocked demands remain. Attempts to route additional demands of lower priority can also be made by checking whether each lower priority demand can be routed given the configuration of the switch to route existing demands.
Abstract translation: 提供了一种用于通过具有开关平面的多个平行实例的光子开关来路由所接收的连接需求的方法和装置。 路由方面遵循交换机的每个单元最多容纳一个光路的约束。 连接需求通过可能的切换平面实例一次一个路由，而不违反约束。 当需求不能路由时，执行重新排列步骤。 与被阻止的需求冲突的先前路由的需求被识别和解除分配。 阻塞的需求然后被路由替代现在被认为被阻止的这种去分配的需求。 该过程重复，直到没有阻止需求为止。 通过检查每个较低优先权要求是否可以通过交换机的配置路由现有需求，也可以尝试路由更低优先级的附加需求。
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公开(公告)号：WO2016023468A1
公开(公告)日：2016-02-18
申请号：PCT/CN2015/086654
申请日：2015-08-11
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： MEHRVAR, Hamid
CPC classification number: H04Q11/0005 , H04Q2011/0039 , H04Q2011/005 , H04Q2011/0056
Abstract: An optical switch comprises a first stage comprising N optical inputs, wherein N is an integer power of 2 and is 16 or greater, and N first sub-switches, wherein each first sub-switch comprises 1 of the optical inputs and 4 first outputs, and a second stage coupled to the first stage and comprising 16 second sub-switches, wherein each second sub-switch comprises M second inputs and M second outputs, and wherein M is equal to N/4.
Abstract translation: 一种光学开关包括：第一级，包括N个光学输入，其中N是2并且为16或更大的整数幂，以及N个第一子开关，其中每个第一子开关包括1个光输入和4个第一输出， 以及耦合到所述第一级并且包括16个第二子开关的第二级，其中每个第二子开关包括M个第二输入和M个第二输出，并且其中M等于N / 4。
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公开(公告)号：WO2018166330A1
公开(公告)日：2018-09-20
申请号：PCT/CN2018/076824
申请日：2018-02-14
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： MANSOURI RAD, Mohammad Mehdi , MEHRVAR, Hamid
IPC: H04J14/02
Abstract: A wavelength selective switch (WSS), reconfigurable optical add-drop multiplexer (ROADM) and methods of determining a condition of a domain network section are provided. The WSS and ROADM include a light source for sending an optical signal having a characteristic. The method comprises instructing a light source to send an optical signal across an optical link, obtaining measurements of characteristic values of the optical signal received at and sent by components along the domain network section, comparing the characteristic values to pre-defined limits, and determining the condition of the domain network section based on the characteristic values.
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