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1. 发明申请

WO2016155843A1 AN INTEGRATED CIRCUIT OPTICAL INTERCONNECT 审中-公开
标题翻译：集成电路光学互连
公开(公告)号：WO2016155843A1
公开(公告)日：2016-10-06
申请号：PCT/EP2015/057421
申请日：2015-04-02
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： TESTA, Francesco , ROMAGNOLI, Marco , TALLONE, Luigi , ANDRIOLLI, Nicola
IPC分类号： H04B10/80 , G02B6/43 , G02B26/08
CPC分类号： G02B6/125 , G02B6/12002 , G02B6/4214 , G02B6/43 , G02B26/0816 , H04B10/803
摘要： An integrated circuit optical interconnect for connecting a first circuit part arranged to output an optical signal and a second circuit part arranged to receive an optical signal. The integrated circuit optical interconnect comprises a body comprising a glass material. The glass material has embedded therein an optical waveguide arrangement having an input, located at a surface of the body, for coupling to the first circuit part, and an output, located at a surface of the body, for coupling to the second circuit part. The optical waveguide arrangement comprises at least two optical waveguide segments extending in different directions through the glass material and at least one reflecting part arranged between the two optical waveguide segments, for directing an optical signal from one of the optical waveguide segments to the other of the optical waveguide segments. The optical waveguide arrangement is arranged to optically couple the input and the output, whereby an optical signal can pass from the input to the output through the optical waveguide arrangement. There is also provided an integrated circuit module comprising the integrated circuit optical interconnect, and a telecommunications switch comprising the integrated circuit module. There is further provided a method for manufacturing an integrated circuit optical interconnect.
摘要翻译：一种用于连接布置成输出光信号的第一电路部分和布置成接收光信号的第二电路部分的集成电路光互连。集成电路光学互连包括包括玻璃材料的主体。玻璃材料中嵌有一个光波导装置，该光波导装置具有位于主体表面处的输入，用于耦合到第一电路部分，以及位于主体表面处的输出端，用于耦合到第二电路部分。光波导装置包括至少两个沿不同方向延伸穿过玻璃材料的光波导段和布置在两个光波导段之间的至少一个反射部分，用于将光信号从一个光波导段引导到另一个光波导段。光波导装置被布置成光耦合输入和输出，由此光信号可以通过光波导装置从输入端传递到输出端。还提供了包括集成电路光互连的集成电路模块和包括集成电路模块的电信开关。还提供了一种用于制造集成电路光互连的方法。

2. 发明申请

WO2016124224A1 OPTICAL COUPLING ELEMENT 审中-公开
标题翻译：光耦合元件
公开(公告)号：WO2016124224A1
公开(公告)日：2016-08-11
申请号：PCT/EP2015/052166
申请日：2015-02-03
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： TESTA, Francesco , ROMAGNOLI, Marco , TALLONE, Luigi
IPC分类号： G02B6/30 , G02B6/13 , G02B6/42
CPC分类号： G02B6/30 , G02B6/124 , G02B6/13 , G02B6/34 , G02B6/4206 , G02B6/421 , G02B6/4214 , G02B6/4292 , G02B2006/12061 , G02B2006/12104 , G02B2006/12147
摘要： A method of manufacturing (130) a coupling element (1) configured to couple light between an optical device (20) and one or more optical fiber (30) comprises forming (132) one or more waveguide (15) in the silica. The one or more waveguide (15) having a refractive index configured to guide the light between the optical device (20) and the optical fiber (30). The forming (132) of the one or more waveguide (15) comprises photo-inducing a refractive index variation of the silica material.
摘要翻译：一种制造（130）配置成在光学装置（20）和一个或多个光纤（30）之间耦合光的耦合元件（1）的方法包括在二氧化硅中形成（132）一个或多个波导（15）。一个或多个具有折射率的波导（15）被配置为在光学装置（20）和光纤（30）之间引导光。一个或多个波导（15）的形成（132）包括感光二氧化硅材料的折射率变化。

3. 发明申请

WO2018052345A1 OPTICAL TRANSCEIVER AND METHOD OF CONTROLLING OPTICAL POWERS OF OPTICAL CHANNELS 审中-公开
标题翻译：光学收发器和控制光学通道光学功率的方法
公开(公告)号：WO2018052345A1
公开(公告)日：2018-03-22
申请号：PCT/SE2016/050853
申请日：2016-09-13
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： HUANG, Wei-Ping , TESTA, Francesco , VALL-LLOSERA, Gemma
IPC分类号： H04J14/02
摘要： An optical transceiver (70) comprising: an optical waveguide (12); a first and second add-drop ports (72, 74); an optical transmitter (80) coupled to a reconfigurable optical channel-add apparatus (84) comprising a first add path (86), a second add path (90), an add micro-ring resonator (100) and first and second optical attenuators (88, 92), reconfigurable to selectively block an optical channel from the optical transmitter in one of the first add path and the second add path, and wherein the add micro-ring resonator is reconfigurable selectively to add an optical channel from the first add path to the optical waveguide to travel towards the first add-drop port or to add an optical channel from the second add path to the optical waveguide to travel towards the second add-drop port; and an optical receiver (110) coupled to a reconfigurable optical channel-drop apparatus (112) comprising a drop micro-ring resonator (130), a first drop path (114), and a second drop path (118), wherein the drop micro-ring resonator is reconfigurable selectively to drop an optical channel travelling from the first add-drop port from the optical waveguide to the first drop path or to drop an optical channel travelling from the second add-drop port from the optical waveguide to the second drop path.
摘要翻译：一种光学收发器（70），包括：光学波导（12）;光学波导第一和第二分插端口（72,74）; 耦合到包括第一加法路径（86），第二加法路径（90），加微环谐振器（100）和第一和第二光衰减器（100）的可重新配置的光学信道添加设备（84）的光发射器（80）（88,92）可重新配置为选择性地阻挡来自所述第一添加路径和所述第二添加路径之一中的所述光学发射器的光学信道，并且其中所述添加微环形谐振器可选择性地重新配置以添加来自所述第一添加器通向所述光波导的路径朝向所述第一分插端口行进或者将从所述第二附加路径向所述光波导的光信道添加以朝向所述第二分插端口行进; 以及耦合到包括下降微环谐振器（130），第一下降路径（114）和第二下降路径（118）的可重新配置光学信道降设备（112）的光接收器（110），其中，所述下降路径微环谐振器可选择性地重新配置，以将从第一分插端口从光波导行进到第一分出路径的光学信道或从第二分插端口从光波导行进到第二分支放下路径。

4. 发明申请

WO2017028873A1 INTERCONNECTION NETWORK AND METHOD OF ROUTING OPTICAL SIGNALS 审中-公开
标题翻译：互连网络和路由光信号的方法
公开(公告)号：WO2017028873A1
公开(公告)日：2017-02-23
申请号：PCT/EP2015/068743
申请日：2015-08-14
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： D'ERRICO, Antonio , GIORGI, Luca , TESTA, Francesco
IPC分类号： H04J14/02 , H04Q11/00
CPC分类号： H04J14/0265 , H04J14/0267 , H04Q11/0005 , H04Q11/0062 , H04Q2011/0032 , H04Q2011/0056 , H04Q2011/0064
摘要： An interconnection network 40 comprising: an ingress stage 10 comprising M switch cards 12 each comprising an ingress electrical switch matrix and electrical-to-optical, E-O, conversion apparatus to convert a plurality of electrical signals from the switch matrix into respective optical signals each having a respective one of N wavelengths and to deliver the plurality of optical signals to an optical output 14; an egress stage 30 comprising M switch cards 32 each comprising an optical input 34, an egress electrical switch matrix and optical-to-electrical, O-E, conversion apparatus to convert optical signals each having a respective one of the N wavelengths into respective electrical signals and to deliver the electrical signals to the switch matrix; and an optical shuffle 42 comprising a passive fixed wavelength optical router having a cyclic wavelength response and having M input ports and M output ports, and configured to receive a plurality of optical signals at one of the input ports and to route each of said optical signals from the input port to a respective one of the output ports according to the wavelength of each optical signal, the plurality of wavelengths, N, is greater than the plurality, M, of input ports or output ports and the router is configured to route optical signals having each M th one of the wavelengths from the selected optical shuffle input port to a same one of the output ports.
摘要翻译：一种互连网络40，包括：入口级10，其包括M个开关卡12，每个开关卡12包括入口电开关矩阵和电 - 光EO转换装置，用于将来自开关矩阵的多个电信号转换成各自具有 N个波长中的相应一个并将多个光信号传送到光输出14; 包括M个开关卡32的出口台30，每个开关卡32包括光输入34，出口电开关矩阵和光电到OE转换装置，以将每个具有相应的一个N个波长的光信号转换成相应的电信号，将电信号传送到开关矩阵; 以及包括具有循环波长响应并具有M个输入端口和M个输出端口的无源固定波长光路由器的光学混洗42，并且被配置为在一个输入端口处接收多个光信号并且将每个所述光信号根据每个光信号的波长从输入端口到相应的一个输出端口，多个波长N大于输入端口或输出端口的多个M，并且路由器被配置为路由光学具有从所选择的光学混洗输入端口到相同输出端口的波长的每一个第一波长的信号。

5. 发明申请

WO2020125946A1 OPTICAL INTERCONNECT AND METHOD OF MANUFACTURE THEREOF 审中-公开
公开(公告)号：WO2020125946A1
公开(公告)日：2020-06-25
申请号：PCT/EP2018/085475
申请日：2018-12-18
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： TESTA, Francesco , ROMAGNOLI, Marco , TALLONE, Luigi
IPC分类号： G02B6/42 , G02B6/43 , G02B6/12 , G02B6/122 , G02B6/124 , G02B6/136
摘要： An optical interconnect for optically coupling at least a first optical integrated circuit and a second optical integrated circuit. The optical interconnect comprises at least two layers of optically transparent material. There is a first optical waveguide arranged along a surface of a first one of the at least two layers of optically transparent material. There is further a first non-guided optical path extending from the first optical waveguide through the at least two layers of optically transparent material. A first reflective element is arranged to receive light from at least one of the first non-guided optical path and the first optical waveguide and direct the light to the other of the first non-guided optical path and the first optical waveguide. At least one lens is arranged at a boundary between two of the at least two layers of optically transparent material. The at least one lens is arranged to receive and focus light travelling along the first non-guided optical path.

6. 发明申请

WO2018130285A1 APPARATUS AND METHOD FOR COUPLING LIGHT 审中-公开
公开(公告)号：WO2018130285A1
公开(公告)日：2018-07-19
申请号：PCT/EP2017/050580
申请日：2017-01-12
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： TESTA, Francesco , ROMAGNOLI, Marco , CASSESE, Tommaso , TALLONE, Luigi
IPC分类号： G02B6/122 , G02B6/12 , G02B6/30 , G02B6/42 , G02B6/14 , H01L21/8249 , H01L21/84 , H01S5/02
摘要： An optical coupler (40; 50) comprises a substrate (41). A first waveguide element (45) is provided in a first layer with respect to the substrate, wherein the first waveguide element (45) comprises a first end (45a) and a second end (45b), and wherein the first end (45a) of the first waveguide element (45) is coupled to input/output light to/from a first end of the optical coupler. A second waveguide element (43) is provided in a second layer, the second layer arranged adjacent to the first layer, wherein the second waveguide element (43) comprises a first end (43a) and a second end (43b), and wherein the first end (43a) of the second waveguide element (43) is coupled to input/output light to/from a second end of the optical coupler. The first waveguide element (45) is configured to extend from the first end of the optical coupler towards the second end of the optical coupler, and the second waveguide element (43) is configured to extend from the second end of the optical coupler towards the first end of the optical coupler, such that the first waveguide element (45) partly overlaps with the second waveguide element (43) to adapt light passing between the first end (45a) of the first waveguide element (45) and first end (43a) of the second waveguide element (43).

7. 发明申请

WO2018024347A1 AN OPTICAL BEAM SPOT SIZE CONVERTOR 审中-公开
标题翻译：一个光束光点尺寸转换器
公开(公告)号：WO2018024347A1
公开(公告)日：2018-02-08
申请号：PCT/EP2016/070660
申请日：2016-09-01
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： TESTA, Francesco , ROMAGNOLI, Marco , TALLONE, Luigi , CASSESE, Tommaso
IPC分类号： G02B6/122 , G02B6/14 , G02B6/12 , G02B6/124
摘要： An optical beam spot size convertor is provided having a body. The body comprises a first optical waveguide having a first refractive index and a plurality of second optical waveguides each having a second refractive index higher than the first refractive index. The first optical waveguide is arranged to receive an input optical beam. The first optical waveguide is further arranged such that light from the input optical beam is coupled from the first optical waveguide into the plurality of second optical waveguides. The body further comprises an output optical waveguide and a reflective part coupled to the plurality of second optical waveguides and to the output optical waveguide. The reflective part is arranged to focus optical beams received from the plurality of second optical waveguides into a single optical beam which is directed to the output optical waveguide.
摘要翻译：提供具有主体的光束点尺寸转换器。主体包括具有第一折射率的第一光波导和具有高于第一折射率的第二折射率的多个第二光波导。第一光波导布置成接收输入光束。第一光波导还被布置为使得来自输入光束的光从第一光波导耦合到多个第二光波导中。主体还包括输出光波导和耦合到多个第二光波导和输出光波导的反射部分。该反射部分被布置成将从多个第二光学波导接收的光束聚焦为被引导到输出光学波导的单个光束。

8. 发明申请

WO2010086019A1 OPTICAL COMMUNICATIONS NETWORK NODE AND METHOD OF CONTROLLING DATA TRANSMISSION BETWEEN OPTICAL COMMUNICATIONS NETWORK NODES 审中-公开
标题翻译：光通信网络节点和控制光通信网络数据传输的方法
公开(公告)号：WO2010086019A1
公开(公告)日：2010-08-05
申请号：PCT/EP2009/051034
申请日：2009-01-29
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (publ) , TESTA, Francesco , PULERI, Marco , TESTA, Patrizia , SABELLA, Roberto
发明人： TESTA, Francesco , PULERI, Marco , TESTA, Patrizia , SABELLA, Roberto
IPC分类号： H04J14/02
CPC分类号： H04J14/0227 , H04J14/0204 , H04J14/0205 , H04J14/021 , H04J14/0212 , H04J14/0213 , H04J14/0246 , H04J14/0257 , H04J14/0267 , H04J14/0279 , H04Q11/0005 , H04Q11/0066 , H04Q11/0071
摘要： An optical communications network node (10) comprising an optical transmitter module (16), an optical receiver module (12), an electrical cross-point switch (20) and control apparatus (24, 26). The optical transmitter module (16) comprises optical sources (18) each having a different operating wavelength and each being selectively assignable as an optical circuit switching channel source or an optical burst switching channel source. The optical receiver module (12) comprises a said plurality of optical detectors each operable at one of said operating wavelengths. The electrical cross-point switch (20) comprises switch paths (22) and is configurable to allocate a first set of switch paths for optical circuit switching and a second set of switch paths for optical burst switching. The control apparatus (24, 26) configures the switch paths (22), separates data traffic to be dropped from transit data traffic, and schedules data traffic for transmission on optical burst switching channels to the respective sources (18).
摘要翻译：一种光通信网络节点（10），包括光发射机模块（16），光接收模块（12），电交叉点交换机（20）和控制装置（24,26）。光发射机模块（16）包括光源（18），每个光源具有不同的工作波长，并且每个可选择性地分配为光电路切换信道源或光突发交换信道源。光接收器模块（12）包括所述多个光学检测器，每个光检测器可在所述工作波长之一处操作。电交叉点开关（20）包括开关路径（22），并且可配置为分配用于光电路切换的第一组开关路径和用于光突发交换的第二组开关路径。控制装置（24,26）配置交换路径（22），将数据流量从传输数据业务中分离出来，并且调度用于在光脉冲串切换信道上传输的数据业务到各个源（18）。

9. 发明申请

WO2021180303A1 OPTICAL CONNECTOR FOR PHOTONIC CIRCUITS 审中-公开
公开(公告)号：WO2021180303A1
公开(公告)日：2021-09-16
申请号：PCT/EP2020/056214
申请日：2020-03-09
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： TESTA, Francesco , BIGONGIARI, Alessandra , ROMAGNOLI, Marco , TALLONE, Luigi , DE ANGELIS, Gabriele
IPC分类号： G02B6/42
摘要： An optical connector (100) for a photonic circuit, the optical connector comprising: a first part (110), fixable to a photonic circuit, comprising at least one slab (112) of optically transparent material, the at least one slab including a first lens (114). The optical connector comprises a second part (120), movable between a connected position adjacent the first part and a disconnected position removed from the first part. The second part comprises at least one slab (122) of optically transparent material, the at least one slab including a second lens (124) located to be in alignment with the first lens in the connected position; and one or more guiding elements (126, 130) arranged to direct light to the second lens. The second part is configured to connect the one or more guiding elements to an optical fiber (140).

10. 发明申请

WO2018133941A1 NETWORK AND METHOD FOR A DATA CENTER 审中-公开
公开(公告)号：WO2018133941A1
公开(公告)日：2018-07-26
申请号：PCT/EP2017/051115
申请日：2017-01-19
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： TESTA, Francesco , BIANCHI, Alberto , PONZINI, Filippo
IPC分类号： H04Q11/00
摘要： A network (100) for a data center is disclosed. The network comprises computing resources (120), storage resources (110), and a switching apparatus (130). The switching apparatus (130) comprises a plurality of electrical switching components (140) configured to provide packet switching for traffic between computing resources or between computing and storage resources, and an optical switching fabric (150) configured to select an electrical switching component to provide packet switching between computing resources (120) and to provide connectivity between the plurality of electrical switching components (140) and the computing and storage resources (120, 110). Also disclosed is a method (400) for configuring a Virtual Performance Optimised Data Center (vPOD) in a network. The method comprises assigning computing resources of the network to the vPOD (410), assigning storage resources of the network to the vPOD (420) and assigning at least one of a plurality of electrical switching components of the network to provide packet switching for traffic between the computing resources of the vPOD or between the computing and storage resources of the vPOD (430). The method further comprises interconnecting the assigned computing and storage resources and the assigned at least one of a plurality of electrical switching components using an optical switching fabric (440).

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