公开(公告)号：US09781059B2

公开(公告)日：2017-10-03

申请号：US14715448

申请日：2015-05-18

Applicant: Rockley Photonics Limited

Inventor： Andrew Rickman ,  Nathan Farrington

IPC: G02B6/35 ,  H04L12/933 ,  H04J14/02 ,  H04Q11/00

CPC classification number: H04L49/10 ,  G02B6/356 ,  H04J14/0212 ,  H04J14/0256 ,  H04Q11/0005 ,  H04Q11/0071 ,  H04Q2011/0032 ,  H04Q2011/006

Abstract: An optoelectronic switch comprising: a first plurality of detector remodulators (DRMs) (C3, D1), each DRM having an integer number M of optical inputs and an integer number N of optical outputs; a second plurality of DRMs (C7, D5), each DRM having N optical inputs and M optical outputs; a passive optical switch fabric (C4+C5+C6, D2+D3+D4) connecting the N optical outputs of each of the first plurality of DRMs with the N optical inputs of each of the second plurality of DRMs, the path of an optical signal through the optical switch fabric depending upon its wavelength; wherein each DRM (C3, D1) of the first plurality of DRMs is configured to act as a tunable wavelength converter to select the desired path of an optical signal through the optical switch fabric (C4+C5+C6, D2+D3+D4); and wherein each of the first plurality of DRMs (C3, D1) includes a concentrator, the concentrator configured to aggregate optical signals received from any of the M inputs of that DRM and to buffer them according to the one of the plurality of second DRMs (C7, D5) that includes their destination port.

公开(公告)号：US09668037B2

公开(公告)日：2017-05-30

申请号：US15256321

申请日：2016-09-02

Applicant: ROCKLEY PHOTONICS LIMITED

Inventor： Haydn Frederick Jones ,  Andrew George Rickman ,  Aaron Zilkie ,  Nathan Farrington

IPC: H04J14/00 ,  H04B10/00 ,  H04J4/00 ,  H04Q11/00 ,  G02B6/12 ,  H04B10/50 ,  H04J14/02

CPC classification number: H04Q11/0071 ,  G02B6/12019 ,  G02B6/12021 ,  G02F1/025 ,  G02F1/2257 ,  G02F2001/0157 ,  G02F2001/212 ,  G02F2001/213 ,  G02F2203/15 ,  H04B10/505 ,  H04J14/02 ,  H04Q11/0005 ,  H04Q2011/0016 ,  H04Q2011/0018 ,  H04Q2011/0032 ,  H04Q2011/0039

Abstract: An optoelectronic packet switch comprising: switch input(s) for receiving optical packet signals; a passive optical router; a control unit; and a plurality of detector-remodulators (DRMs) configured to receive signals from the switch input(s) and to generate modulated optical signals for transmission to the input ports of the passive optical router. Each DRM comprising: detector(s) for converting an optical packet-signal received at the switch input(s) into an electrical packet-signal; modulator(s) for generating the modulated optical signals. Each modulator configured to: receive a wavelength-tuned input from a tunable laser; receive the electrical packet-signal from one of the detectors; and to generate a modulated optical signal at the tuned wavelength, the modulated signal containing the information of the electric packet-signal and the tuned wavelength chosen to select an output port of the passive optical router for the modulated optical signal; and an electronic circuit connecting each of the detector(s) to a corresponding modulator.

公开(公告)号：US09667026B2

公开(公告)日：2017-05-30

申请号：US14841710

申请日：2015-09-01

Applicant: Tin Komljenovic ,  Dubravko Babic ,  Zvonimir Sipus

Inventor： Tin Komljenovic ,  Dubravko Babic ,  Zvonimir Sipus

IPC: H04J14/00 ,  H01S3/10 ,  H04Q11/00 ,  G02B6/28 ,  G02B6/27 ,  G02B6/12 ,  G02B6/293 ,  H04B10/00

CPC classification number: H01S3/10092 ,  G02B6/00 ,  G02B6/12019 ,  G02B6/2766 ,  G02B6/2804 ,  G02B6/2861 ,  G02B6/2938 ,  H01S5/0656 ,  H01S5/50 ,  H04B10/506 ,  H04Q11/00 ,  H04Q11/0067 ,  H04Q2011/0032

Abstract: A connected optical waveguide structure comprises n four-port optical couplers, where n is greater than one; and n waveguide loops, each loop having a corresponding perimeter; wherein each of the n perimeters is different from each of the other n−1 perimeters. In one embodiment, for any pair of the n loops, the ratio of the larger perimeter to the smaller perimeter is greater than five halves (5/2).

公开(公告)号：US20170118545A1

公开(公告)日：2017-04-27

申请号：US15300487

申请日：2015-02-27

Applicant: National Institute of Information and Communications Technology

Inventor： Toshiaki KURI

IPC: H04Q11/00 ,  H04J14/06 ,  G02B6/293 ,  H04B10/2575

CPC classification number: H04Q11/0005 ,  G02B6/2938 ,  G02B6/29397 ,  H04B10/2575 ,  H04J14/02 ,  H04J14/06 ,  H04Q2011/002 ,  H04Q2011/0032 ,  H04Q2011/0035 ,  H04Q2213/017

Abstract: A wavelength demultiplexer is equipped with a spectroscopic means (which separates light that is input from multiple input light paths, and outputs the light to multiple output light paths) and a light path switching device (a device that switches the light paths that are input to the spectroscopic means, with the switching being performed by an external operation), and the light path switching device may be a device that distributes the input from one input port to multiple output ports. The light path switching device and the spectroscopic means are polarization-independent, with the input light paths, the output light paths, and the light paths between the light path switching device and the spectroscopic means being polarization-maintaining light paths, so the relative polarization configuration is the same for the input light and the output light.

公开(公告)号：US20170078044A1

公开(公告)日：2017-03-16

申请号：US15125259

申请日：2015-03-11

Applicant: NEC Corporation

Inventor： Tomoyuki HINO ,  Shinsuke FUJISAWA ,  Hitoshi TAKESHITA ,  Akio TAJIMA

IPC: H04J14/02 ,  H04B10/548 ,  H04Q11/00 ,  H04B10/50

CPC classification number: H04J14/0298 ,  H04B10/506 ,  H04B10/516 ,  H04B10/548 ,  H04J14/0227 ,  H04J14/0238 ,  H04Q11/0005 ,  H04Q2011/0032 ,  H04Q2011/0047 ,  H04Q2011/0058

Abstract: It is made possible to accommodate a plurality of services and transmit each of the accommodated services to a corresponding transmission device.An optical transmitter according to an exemplary aspect of the present invention includes sub-carrier adjusting means for outputting sub-carriers to a plurality of output ports according to a control signal; encoding processing means for mapping client data on a plurality of output lanes according to the control signal; a plurality of modulation means for modulating the sub-carriers inputted through the output ports by client data inputted through the output lanes and outputting modulated signals; and control means for generating and outputting the control signal based on transmission information.

Abstract translation: 根据本发明的示例性方面的光发射机包括：副载波调整装置，用于根据控制信号向多个输出端口输出子载波; 编码处理装置，用于根据控制信号在多个输出通道上映射客户端数据; 多个调制装置，用于通过由输出通道输入的客户端数据调制通过输出端口输入的副载波，并输出调制信号; 以及控制装置，用于基于传输信息产生和输出控制信号。

公开(公告)号：US09551836B2

公开(公告)日：2017-01-24

申请号：US14595241

申请日：2015-01-13

Applicant: Michael Y. Frankel ,  Michael Gazier ,  Joseph Berthold

Inventor： Michael Y. Frankel ,  Michael Gazier ,  Joseph Berthold

IPC: G02B6/35 ,  H04B10/27 ,  G02B6/26 ,  H04Q11/00 ,  H04J14/02

CPC classification number: G02B6/35 ,  G02B6/26 ,  H04B10/271 ,  H04J14/0212 ,  H04J14/0213 ,  H04J14/0257 ,  H04Q11/0001 ,  H04Q11/0005 ,  H04Q2011/003 ,  H04Q2011/0032

Abstract: An optical switch fabric includes horizontal optical waveguides including a first set and a second set, the first set is configured to receive a first plurality of wavelengths from the one or more external switches and the second set is configured to send a second plurality of wavelengths to the one or more external switches; wavelength-selective drop optical switches associated with the first set, wherein the wavelength-selective drop optical switches are each configured to drop a selected wavelength from a horizontal optical waveguide of the first set to an associated vertical optical waveguide of vertical optical waveguides; and controllable optical switches associated with the vertical optical waveguides, wherein the controllable optical switches are each configured to direct a selected wavelength from a vertical optical waveguide to a horizontal optical waveguide of the second set.

Abstract translation: 一种光交换结构包括包括第一组和第二组的水平光波导，第一组被配置为从一个或多个外部开关接收第一多个波长，并且第二组被配置为发送第二多个波长到 一个或多个外部开关; 与第一组相关联的波长选择性液滴光学开关，其中波长选择性液滴光学开关各自被配置为将所选择的波长从第一组的水平光波导下降到垂直光波导的相关联的垂直光波导; 以及与所述垂直光波导相关联的可控光开关，其中所述可控光开关各自被配置为将所选择的波长从垂直光波导引导到所述第二组的水平光波导。

公开(公告)号：US09544669B2

公开(公告)日：2017-01-10

申请号：US14647433

申请日：2012-12-04

Applicant: Telefonaktiebolaget L M Ericsson (publ)

Inventor： Patryk Urban ,  Jiajia Chen

IPC: H04B10/00 ,  H04Q11/00 ,  H04J14/02 ,  H04B10/071 ,  G01M11/00

CPC classification number: H04Q11/0067 ,  G01M11/3127 ,  G01M11/3136 ,  H04B10/071 ,  H04J14/0204 ,  H04J14/0238 ,  H04J14/0275 ,  H04J14/0282 ,  H04Q2011/0032

Abstract: It is disclosed a remote node connectable to multiple feeder fibers from one or more central offices, COs, of a wavelength division multiplexing-based passive optical network, WDM-based PON. The remote node comprises one or more splitters each configured to receive a monitoring signal on a connected feeder fiber and to split the monitoring signal into split monitoring signals, wherein the monitoring signal uses one wavelength at a time out of a group of different wavelengths, and an arrayed waveguide grating, AWG, with output ports connectable to drop fibers. The AWG is configured to route the split monitoring signals to output ports of said AWG based on a currently used wavelength of said group of different wavelengths, for supervising drop fibers connected to the output ports. Also, a method for a remote node in the WDM-based PON, of routing a monitoring signal, is disclosed.

Abstract translation: 公开了一种可连接到来自一个或多个基于波分复用的无源光网络WDM PON的中心局CO的多个馈线光纤的远程节点。 远程节点包括一个或多个分离器，每个分配器被配置为在连接的馈电光纤上接收监测信号，并将监测信号分离成分割监视信号，其中监测信号一​​次使用一组不同波长的波长，以及 阵列波导光栅，AWG，输出端口可连接到光纤。 AWG被配置为基于所述不同波长组的当前使用的波长将分离监视信号路由到所述AWG的输出端口，以监视连接到输出端口的丢弃光纤。 另外，公开了一种用于基于WDM的PON中的远程节点的路由监视信号的方法。

公开(公告)号：US20160261364A1

公开(公告)日：2016-09-08

申请号：US14877280

申请日：2015-10-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhiping Jiang ,  Chen Chen ,  Zhuhong Zhang ,  Chuandong Li

IPC: H04J14/02

CPC classification number: H04Q11/0005 ,  H04B10/25 ,  H04B10/503 ,  H04B10/572 ,  H04J14/021 ,  H04J14/0275 ,  H04J14/0282 ,  H04Q2011/0015 ,  H04Q2011/0016 ,  H04Q2011/0018 ,  H04Q2011/0032 ,  H04Q2011/0033 ,  H04Q2011/0039 ,  H04Q2011/0041 ,  H04Q2011/005 ,  H04Q2011/0058

Abstract: An optical circuit switching matrix includes a plurality of optical ports, each optical port being optically coupled to a respective one of a plurality of user nodes and an optical coupler having at least one input port optically coupled to the plurality of optical ports, and an output port. The optical circuit switching matrix also includes a wavelength demultiplexer having an input optically coupled to the output port of the optical coupler, and a plurality of output ports, each output port being optically coupled to a respective one of the plurality of optical ports.

公开(公告)号：US20160057516A1

公开(公告)日：2016-02-25

申请号：US14832377

申请日：2015-08-21

Applicant: Coriant Advanced Technology, LLC

Inventor： Michael J. Hochberg ,  Ran Ding ,  Ari Novack ,  Peter D. Magill ,  Richard C. Younce

IPC: H04Q11/00 ,  H04J14/06 ,  H04B10/40

CPC classification number: H04Q11/0005 ,  H04J14/06 ,  H04Q2011/0016 ,  H04Q2011/0018 ,  H04Q2011/0022 ,  H04Q2011/0032 ,  H04Q2011/0035

Abstract: An architecture for a fiber optic communication system that uses only two levels of switches, Tier 1 and Tier 3, is described. The architecture allows one to omit the conventional Top of Rack switch level and the conventional Tier 2 switch level while maintaining performance and throughput. The cost to construct and install the improved switch architecture is lower than the cost of the conventional architecture. There are also described a number of transceivers that are suitable for use in the architecture disclosed. The transceivers employ silicon PIC chips that include high contrast silicon waveguides ion the chip and that connect to various configurations of optical fibers. The transceivers provide enhanced switching capacity with fewer devices.

Abstract translation: 描述了仅使用两个级别的交换机（Tier 1和Tier 3）的光纤通信系统的架构。 该架构允许在保持性能和吞吐量的同时省略常规的顶部机架开关级别和常规Tier 2开关级别。 构建和安装改进的交换机架构的成本低于常规架构的成本。 还描述了适用于所公开的架构的多个收发器。 收发器采用包括高对比度硅波导的硅PIC芯片，并将其连接到各种配置的光纤上。 收发器通过更少的设备提供增强的交换容量。

公开(公告)号：US20160044393A1

公开(公告)日：2016-02-11

申请号：US14455034

申请日：2014-08-08

Applicant: Futurewei Technologies, Inc.

Inventor： Alan Frank Graves

IPC: H04Q11/00

CPC classification number: H04Q11/0005 ,  H04L45/02 ,  H04L45/62 ,  H04L45/74 ,  H04L47/125 ,  H04L47/32 ,  H04L49/1515 ,  H04L49/357 ,  H04L49/70 ,  H04L49/9042 ,  H04Q11/0003 ,  H04Q2011/0018 ,  H04Q2011/0022 ,  H04Q2011/0032 ,  H04Q2011/0039 ,  H04Q2011/005

Abstract: In one embodiment, a photonic switching fabric includes a first stage including a plurality of first switches and a second stage including a plurality of second switches, where the second stage is optically coupled to the first stage. The photonic switching fabric also includes a third stage including a plurality of third switches, where the third stage is optically coupled to the second stage, where the photonic switching fabric is configured to receive a packet having a destination address, where the destination address includes a group destination address, and where the second stage is configured to be connected in accordance with the group destination address.

Abstract translation: 在一个实施例中，光子交换结构包括包括多个第一开关的第一级和包括多个第二开关的第二级，其中第二级光耦合到第一级。 光子交换结构还包括第三级，其包括多个第三开关，其中第三级光耦合到第二级，其中光子交换结构被配置为接收具有目的地地址的分组，其中目的地址包括 组目的地址，以及根据组目的地地址将第二级配置为连接的位置。