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    OPTICAL SYSTEMS
    1.
    发明公开
    OPTICAL SYSTEMS 审中-公开

    公开(公告)号：EP3354040A1

    公开(公告)日：2018-08-01

    申请号：EP16770791.8

    申请日：2016-09-19

    申请人： Roadmap Systems Ltd

    发明人： YANG, Haining ,  CHU, Daping ,  ROBERTSON, Brian

    IPC分类号： H04Q11/00 ,  H04J14/02

    CPC分类号： H04Q11/0003 ,  H04J14/0212 ,  H04Q11/0005 ,  H04Q2011/0016 ,  H04Q2011/0026 ,  H04Q2011/0028 ,  H04Q2011/0039

    摘要： A wavelength division multiplexed (WDM) reconfigurable optical switch, the switch has at least one optical input port to receive a WDM input optical signal comprising a plurality of wavelength channels; a plurality of optical output ports; a reconfigurable holographic array on an optical path between the at least one optical input port and the plurality of optical output ports; and at least one diffractive element on an optical path between at least one optical input port and the reconfigurable holographic array, to demultiplex the WDM input optical signal into a plurality of demultiplexed optical input beam channels, and to disperse the demultiplexed optical input beam channels spatially along a first axis on said the reconfigurable holographic array; and the switch further comprises one or more beam profiling optical elements to modify transverse beam profiles of the demultiplexed optical input beam channels.

    WAVELENGTH SELECTIVE SWITCH AND METHOD FOR CONTROLLING SPATIAL PHASE MODULATOR IN WAVELENGTH SELECTIVE SWITCH
    2.
    发明公开
    WAVELENGTH SELECTIVE SWITCH AND METHOD FOR CONTROLLING SPATIAL PHASE MODULATOR IN WAVELENGTH SELECTIVE SWITCH 有权
    波长选择开关的波长选择开关及其控制空间相位调制器的方法

    公开(公告)号：EP3043495A1

    公开(公告)日：2016-07-13

    申请号：EP13894231.3

    申请日：2013-09-27

    申请人： Huawei Technologies Co., Ltd.

    发明人： LIU, Ning ,  ZHAO, Han

    IPC分类号： H04J14/02

    CPC分类号： H04B10/07957 ,  H04B10/548 ,  H04J14/02 ,  H04Q11/0005 ,  H04Q2011/0015 ,  H04Q2011/0016 ,  H04Q2011/0026 ,  H04Q2011/0028

    摘要： The present invention discloses a wavelength selective switch and a method for controlling a spatial phase modulator in a wavelength selective switch. The wavelength selective switch includes: a first demultiplexing/multiplexing component, configured to split, in space, an input multi-wavelength optical signal into multiple single-wavelength optical signals; a spatial phase modulator, configured to separately change a transmission direction of each single-wavelength optical signal included in the multiple single-wavelength optical signals, where the spatial phase modulator is further configured to split a first single-wavelength optical signal in the multiple single-wavelength optical signals into a first light beam and a second light beam, where the first light beam is incident on an output port of the wavelength selective switch, and the second light beam is incident on a monitoring port of the wavelength selective switch; a photoelectric detector, disposed at the monitoring port and configured to receive the second light beam; and a performance monitoring component, configured to perform performance monitoring on the received second light beam. The wavelength selective switch and the method in embodiments of the present invention can perform performance monitoring on a single-wavelength optical signal, and can reduce a system volume and system costs.

    摘要翻译： 本发明公开了一种用于控制波长选择开关中的空间相位调制器的波长选择开关和方法。 该波长选择开关包括：第一解复用/复用部件，用于将输入的多波长光信号在空间上分成多个单波长光信号; 空间相位调制器，用于分别改变所述多个单波长光信号中包含的每个单波长光信号的传输方向，所述空间相位调制器还用于将所述多个单波长光信号中的第一单波长光信号进行分裂; 将所述波长的光信号转换为第一光束和第二光束，所述第一光束入射到所述波长选择开关的输出端口，所述第二光束入射到所述波长选择开关的监测端口; 光电检测器，设置于所述监测端口处，用于接收所述第二光束; 性能监测部件，用于对接收到的第二光束进行性能监测。 本发明实施例中的波长选择开关和方法可以对单波长光信号进行性能监测，并且可以降低系统体积和系统成本。

    Optical switching fabric with an optical to electrical converter in the output plane
    3.
    发明公开
    Optical switching fabric with an optical to electrical converter in the output plane 审中-公开
    Optische Schaltungsvorrichtung mit einem opto-elektrischen Wandler in der Ausgangsebene

    公开(公告)号：EP1359446A2

    公开(公告)日：2003-11-05

    申请号：EP02023229.4

    申请日：2002-10-16

    申请人： Agilent Technologies, Inc.

    发明人： Lacey, Jonathan ,  Fouquet, Julie ,  Schroeder, Dale ,  Lemoff, Brian

    IPC分类号： G02B6/35

    CPC分类号： G02B6/35 ,  G02B6/352 ,  G02B6/3526 ,  G02B6/3556 ,  G02B6/3558 ,  G02B6/3582 ,  G02B6/3598 ,  H04Q11/0005 ,  H04Q2011/0028

    摘要： An optical switching fabric (100) with an optical to electrical converter (124) in the output plane (120). The optical switching fabric (100) has an input plane (110) with at least one input. The input plane (110) provides at least a first optical signal (e.g., a first set of optical signals). The optical switching fabric has an output plane (120). The optical switching fabric has an interconnection mechanism (130) for receiving the first set of optical signals and directing each received optical signal to a predetermined location in the output plane. The output plane (120) has at least one optical to electrical converter (124) (e.g., a plurality of optical to electrical converters) for receiving the directed optical signals and responsive thereto for generating a set of corresponding electronic output signals.

    摘要翻译： 一种在输出平面（120）中具有光电转换器（124）的光交换结构（100）。 光交换结构（100）具有至少一个输入的输入平面（110）。 输入平面（110）提供至少第一光信号（例如，第一组光信号）。 光交换结构具有输出平面（120）。 光交换结构具有用于接收第一组光信号并将每个接收的光信号引导到输出平面中的预定位置的互连机构（130）。 输出平面（120）具有用于接收定向光信号的至少一个光电转换器（124）（例如，多个光电转换器），并响应于此产生一组对应的电子输出信号。

    OPTICAL SWITCHING SYSTEMS
    4.
    发明公开
    OPTICAL SWITCHING SYSTEMS 审中-公开

    公开(公告)号：EP3354039A1

    公开(公告)日：2018-08-01

    申请号：EP16770790.0

    申请日：2016-09-19

    申请人： Roadmap Systems Ltd

    发明人： ROBERTSON, Brian ,  CHU, Daping ,  YANG, Haining ,  WILKINSON, Peter John

    IPC分类号： H04Q11/00 ,  H04J14/02

    CPC分类号： H04J14/021 ,  H04J14/0212 ,  H04Q11/0005 ,  H04Q2011/0016 ,  H04Q2011/0026 ,  H04Q2011/0028 ,  H04Q2011/0039

    摘要： A wavelength division multiplexed (WDM) reconfigurable optical switch. The switch has a set of arrays of optical beam connections, each comprising an array of optical outputs and having an optical input to receive a WDM input optical signal; a first diffractive element to demultiplexed the WDM input optical signal into a plurality of demultiplexed optical input beams, and to disperse said demultiplexed optical input beams spatially along a first axis; first relay optics between the set of arrays of optical beam connections and the first diffractive element; and a reconfigurable holographic array comprising a 2D array of reconfigurable sub-holograms defining sub-hologram rows and columns. The arrays of said set of arrays and the sub-hologram rows and columns are arranged and aligned in particular ways so that wavelength channels of the WDM input signal for each array can be steered within the device towards a selected optical output

    Optical cross-connect device
    7.
    发明公开
    Optical cross-connect device 审中-公开
    Optische Querverbindungsvorrichtung

    公开(公告)号：EP1351541A2

    公开(公告)日：2003-10-08

    申请号：EP03251905.0

    申请日：2003-03-26

    申请人： Pegasusnet Co., Ltd. ,  T.S. Photon Co., Ltd.

    发明人： Sugiyama, Teruya ,  Inoue, Mitsuteru ,  Dong-Hak, Shin ,  Masuda, Hitoshi

    IPC分类号： H04Q11/00

    CPC分类号： G02B5/32 ,  G02B6/3556 ,  G02B6/356 ,  G02F1/0338 ,  G11C13/042 ,  H04Q11/0005 ,  H04Q2011/0028 ,  H04Q2011/0035 ,  H04Q2011/0039

    摘要： An optic switch for cross-connecting input light signals incoming from inlet fiber cables to outlet fiber cables is disclosed that makes use of a holographic filter (5) having a series of preformed different speckle patterns, each in the form of a hologram (H 1 , H 2 , ....). Associated with input light signals guided past respective inlet passages (4in) of a multimode waveguide (4), different speckle patterns are formed by applying different control voltages across respective electrode pairs (10, 10a) provided thereon. These speckle patterns past a single outlet passage (4out) of the multimode waveguide (4) into which the inlet passages (4in) converge are joined together and enter the holographic filter (5) in which an input light signal is selectively switched, addressed and cross-connected to an outlet waveguide (2) through a region thereof where a formed speckle pattern coincides with a preformed speckle pattern. The multi mode waveguides (4) is formed in, e. g., a LiNbO 3 photorefractive substrate (3).

    摘要翻译： 公开了一种用于交叉连接从入口光缆到出口光缆的输入光信号的光开关，其利用具有一系列预制的不同散斑图案的全息滤光片（5），每个都具有全息图形式（H 1 ，H 2，...）。 与通过多模波导（4）的相应入口通道（4in）引导的输入光信号相关联，通过在其上提供的各个电极对（10,10a）上施加不同的控制电压来形成不同的散斑图案。 通过入口通道（4in）会聚在其中的多模波导（4）的单个出口通道（4out）上的这些斑点图案被连接在一起并进入全息滤光器（5），在该全息滤光器中输入光信号被选择性地切换，寻址， 通过其形成的斑点图案与预先形成的斑点图案重合的区域与出口波导（2）交叉连接。 多模波导（4）形成在，例如， 例如，LiNbO 3光折射基板（3）。

    OPTICAL SWITCHING
    8.
    发明授权
    OPTICAL SWITCHING 有权

    公开(公告)号：EP3036854B1

    公开(公告)日：2017-10-04

    申请号：EP13750879.2

    申请日：2013-08-21

    申请人： Telefonaktiebolaget LM Ericsson (publ)

    发明人： SCAFFARDI, Mirco ,  ANDRIOLLI, Nicola ,  BOGONI, Antonella ,  CERUTTI, Isabella ,  CASTOLDI, Piero

    IPC分类号： H04J14/04 ,  H04Q11/00 ,  H04J14/00

    CPC分类号： H04Q11/0005 ,  H04J14/00 ,  H04J14/04 ,  H04Q2011/0015 ,  H04Q2011/0016 ,  H04Q2011/0026 ,  H04Q2011/0028 ,  H04Q2011/0035

    摘要： An optical switch (10) comprising: inputs (12) to receive input optical signals at respective wavelengths and having planar wavefronts; conversion apparatus (14) to convert each input optical signal into a respective optical signal having a respective helical wavefront, each helical wavefront having a different orbital angular momentum, OAM; optical multiplexing apparatus (16) to receive each helical wavefront optical signal from the conversion apparatus and to multiplex the helical wavefront optical signals into an OAM multiplexed optical signal; and optical demultiplexing apparatus (18) comprising a plurality of outputs (20), the optical demultiplexing apparatus arranged to: receive the OAM multiplexed optical signal; demultiplex the OAM multiplexed optical signal into a plurality of wavelength multiplexed optical signals each having a different OAM; reconvert each wavelength multiplexed optical signal from its helical wavefront into a respective planar wavefront; and deliver each planar wavefront wavelength multiplexed optical signal to a respective one of the outputs according to the respective OAM it had before reconversion.

    Optical cross-connect device
    10.
    发明公开
    Optical cross-connect device 审中-公开
    光交叉连接设备

    公开(公告)号：EP1351541A3

    公开(公告)日：2007-09-26

    申请号：EP03251905.0

    申请日：2003-03-26

    申请人： Pegasusnet Co., Ltd. ,  T.S. Photon Co., Ltd.

    发明人： Sugiyama, Teruya ,  Inoue, Mitsuteru ,  Dong-Hak, Shin ,  Masuda, Hitoshi

    IPC分类号： H04Q11/00 ,  G02B5/32 ,  G02F1/31 ,  G11B7/0065 ,  G11C13/04

    CPC分类号： G02B5/32 ,  G02B6/3556 ,  G02B6/356 ,  G02F1/0338 ,  G11C13/042 ,  H04Q11/0005 ,  H04Q2011/0028 ,  H04Q2011/0035 ,  H04Q2011/0039

    摘要： An optic switch for cross-connecting input light signals incoming from inlet fiber cables to outlet fiber cables is disclosed that makes use of a holographic filter (5) having a series of preformed different speckle patterns, each in the form of a hologram (H 1 , H 2 , ....). Associated with input light signals guided past respective inlet passages (4in) of a multimode waveguide (4), different speckle patterns are formed by applying different control voltages across respective electrode pairs (10, 10a) provided thereon. These speckle patterns past a single outlet passage (4out) of the multimode waveguide (4) into which the inlet passages (4in) converge are joined together and enter the holographic filter (5) in which an input light signal is selectively switched, addressed and cross-connected to an outlet waveguide (2) through a region thereof where a formed speckle pattern coincides with a preformed speckle pattern. The multi mode waveguides (4) is formed in, e. g., a LiNbO 3 photorefractive substrate (3).