公开(公告)号：US09002211B2

公开(公告)日：2015-04-07

申请号：US13363773

申请日：2012-02-01

Applicant: Hiroshi Nakamoto

Inventor： Hiroshi Nakamoto

IPC: H04B10/12 ,  H04B10/2513 ,  H04B10/00

CPC classification number: H04B10/2513 ,  H04B2210/252 ,  H04B2210/254

Abstract: A communication system includes a transmission path through which an optical signal is propagated; and dispersion slope imparting sections provided on a transmitting side and a receiving side of the transmission path, the dispersion slope imparting sections imparting different dispersion and dispersion slope characteristics in accordance with a wavelength band of the optical signal, wherein the dispersion and dispersion slope characteristics imparted by the dispersion slope imparting section on the transmitting side is different from those on the receiving side.

Abstract translation: 通信系统包括传播光信号的传输路径; 以及设置在传输路径的发送侧和接收侧的色散斜率赋予部分，使色散斜率赋予部分根据光信号的波长带赋予不同的色散斜率特性，其中所赋予的色散和色散斜率特性 通过发送侧的色散斜率赋予部与接收侧不同。

公开(公告)号：US08995828B2

公开(公告)日：2015-03-31

申请号：US13281127

申请日：2011-10-25

Applicant: Yuichi Suzuki ,  Toshihiro Ohtani

Inventor： Yuichi Suzuki ,  Toshihiro Ohtani

IPC: H04B10/08 ,  H04B17/00 ,  H04B10/04 ,  H04B10/12 ,  H04B10/079 ,  H04J14/02

CPC classification number: H04B10/07957 ,  H04J14/0221 ,  H04J14/0275

Abstract: An optical transmission device includes an extractor that extracts respective optical signals from optical signals multiplexed from a plurality of optical signals of different wavelengths, a detector that detects wavelengths of the extracted respective optical signals, a storage that stores the wavelengths of the detected respective optical signals, and a processor that is operative to derive trends in wavelength variation of the respective optical signals based on the detected respective optical signals and the respective optical signals stored in the storage, and determines that either one or both of the extractor and the detector cause the wavelengths to be varied when the trends in wavelength variation of two or more wavelengths are the same.

Abstract translation: 一种光传输装置，包括从多个不同波长的光信号复用的光信号中提取相应的光信号的提取器，检测所提取的各个光信号的波长的检测器，存储所检测的各个光信号的波长的存储器 以及处理器，其可操作以基于检测到的各个光信号和存储在存储器中的相应光信号来导出相应光信号的波长变化趋势，并且确定提取器和检测器中的任何一个或两者导致 当两个或更多个波长的波长变化趋势相同时，波长将变化。

公开(公告)号：US08971722B2

公开(公告)日：2015-03-03

申请号：US12800236

申请日：2010-05-11

Applicant: Alistair K. Chan ,  Roderick A. Hyde ,  Muriel Y. Ishikawa ,  Jordin T. Kare ,  Lowell L. Wood, Jr.

Inventor： Alistair K. Chan ,  Roderick A. Hyde ,  Muriel Y. Ishikawa ,  Jordin T. Kare ,  Lowell L. Wood, Jr.

IPC: H04B10/80 ,  H04B10/12 ,  H04J14/02

CPC classification number: H04B10/807 ,  H04J14/02

Abstract: A network for delivering optical power over an optical conduit includes at least one optical power source delivering optical power to multiple outlet power subsystems the subsystem managing demands for power from the multiple outlet sinks.

Abstract translation: 用于通过光导管传送光功率的网络包括至少一个光功率源，该光功率源向多个出口电力子系统提供光功率，子系统管理来自多个出口汇的功率需求。

公开(公告)号：US08942567B2

公开(公告)日：2015-01-27

申请号：US13324578

申请日：2011-12-13

Applicant: Goji Nakagawa ,  Susumu Kinoshita

Inventor： Goji Nakagawa ,  Susumu Kinoshita

IPC: H04B10/06 ,  H04B10/12 ,  H01S3/10 ,  H04B10/67 ,  H04B10/291 ,  G02B6/42 ,  H01S5/022 ,  H01S5/40

CPC classification number: H04B10/673 ,  G02B6/4206 ,  G02B6/421 ,  H01S5/02216 ,  H01S5/4031 ,  H04B10/2914

Abstract: An optical receiving device includes multiple input ports to which light is input; multiple amplifiers that are arrayed and provided corresponding to the input ports, respectively, each of the amplifiers amplifying and outputting light input from a corresponding input port among of the input ports; a photo diode that converts light into an electrical signal; and a lens that inputs to the photo diode light output from the amplifiers.

Abstract translation: 光接收装置包括输入光的多个输入端口; 分别对应于输入端口排列并提供的多个放大器，每个放大器放大并输出从输入端口中的相应输入端口输入的光; 将光转换成电信号的光电二极管; 以及输入到从放大器输出的光电二极管光的透镜。

公开(公告)号：US08903238B2

公开(公告)日：2014-12-02

申请号：US13608531

申请日：2012-09-10

Applicant: Timo J. Pfau ,  Noriaki Kaneda ,  Young-Kai Chen

Inventor： Timo J. Pfau ,  Noriaki Kaneda ,  Young-Kai Chen

IPC: H04J14/06 ,  H04J4/00 ,  H04B10/00 ,  H04B10/12

CPC classification number: H04J14/06 ,  H04B10/516 ,  H04J14/026 ,  H04J14/0298 ,  H04L27/2096 ,  H04L27/2697 ,  H04L27/34

Abstract: A system, e.g. for optical communication, includes an I-Q modulator and a transmission signal processor. The I-Q modulator is configured to modulate a first light source in response to first I and Q modulation signals. The transmission signal processor is configured to receive a data stream including data corresponding to a first data subchannel. The processor maps the data subchannel to an optical transmission subchannel and outputs the first I and Q modulation signals. The I and Q modulation signals modulate the light source to produce an optical transmission signal that includes wavelength components corresponding to the optical transmission subchannel.

Abstract translation: 系统，例如 对于光通信，包括I-Q调制器和传输信号处理器。 I-Q调制器被配置为响应于第一I和Q调制信号来调制第一光源。 发送信号处理器被配置为接收包括对应于第一数据子信道的数据的数据流。 处理器将数据子信道映射到光传输子信道，并输出第一I和Q调制信号。 I和Q调制信号调制光源以产生包括对应于光传输子信道的波长分量的光传输信号。

公开(公告)号：US08897652B2

公开(公告)日：2014-11-25

申请号：US13782514

申请日：2013-03-01

Applicant: Kabushiki Kaisha Toshiba

Inventor： Hiroshi Uemura

IPC: H04B10/04 ,  H04B10/12 ,  H04B10/00 ,  H01S3/00 ,  H04B10/50 ,  H01S5/042

CPC classification number: H04B10/50 ,  H01S5/0427

Abstract: An optical transmission circuit comprises a light emitting element and a differential amplifier circuit to which differential input signals are input to modulate an optical output of the light emitting element. The differential amplifier circuit includes a first current source, a first transistor, a second transistor, a third transistor, and a fourth transistor. The first current source is connected to a first potential source and the sources of the third and the fourth transistor are connected to a second potential source. The differential amplifier circuit includes a second current source having one end that is connected to a third potential and another end that is connected to a drain of the second transistor, and a fifth transistor having a gate that is connected to the gate of the fourth transistor, a source that is connected to the second potential, and a drain that is connected to the light emitting element.

Abstract translation: 光传输电路包括发射元件和差分放大器电路，输入差分输入信号以调制发光元件的光输出。 差分放大器电路包括第一电流源，第一晶体管，第二晶体管，第三晶体管和第四晶体管。 第一电流源连接到第一电位源，第三和第四晶体管的源极连接到第二电位源。 差分放大器电路包括具有连接到第三电位的一端的第二电流源和连接到第二晶体管的漏极的另一端，以及具有连接到第四晶体管的栅极的栅极的第五晶体管 连接到第二电位的源极和连接到发光元件的漏极。

公开(公告)号：US08861959B2

公开(公告)日：2014-10-14

申请号：US13453696

申请日：2012-04-23

Applicant: Dafeng Tian ,  Zhiyu Xiao ,  Xiaogeng Xu

Inventor： Dafeng Tian ,  Zhiyu Xiao ,  Xiaogeng Xu

IPC: H04J14/08 ,  H04B10/04 ,  H04B10/12 ,  H04B10/06 ,  H04B10/077 ,  H04B10/556 ,  H04B10/69 ,  H04B10/67 ,  H04B10/532 ,  H04J14/06 ,  H04J14/02

CPC classification number: H04J14/06 ,  H04B10/0779 ,  H04B10/532 ,  H04B10/5561 ,  H04B10/671 ,  H04B10/69 ,  H04J14/0276

Abstract: The present invention discloses a receiving apparatus, a sending apparatus, a system and a method for optical polarization division multiplexing. The receiving apparatus includes: an optical splitter, configured to: split a received polarization-multiplexed optical signal into two identical polarization-multiplexed optical signals, where the two polarization-multiplexed optical signals both include a first State Of Polarization (SOP) optical signal and a second SOP optical signal, and the first SOP optical signal is an optical signal when a horizontal-SOP optical signal is transmitted to the optical splitter, and the second SOP optical signal is an optical signal when a vertical-SOP optical signal is transmitted to the optical splitter; a horizontal optical signal obtaining apparatus, connected to the optical splitter and configured to separate the horizontal-SOP optical signal; and a vertical optical signal obtaining apparatus, connected to the optical splitter and configured to separate the vertical-SOP optical signal.

Abstract translation: 本发明公开了一种用于光偏振分割复用的接收装置，发送装置，系统和方法。 接收装置包括：光分路器，被配置为：将接收到的偏振复用光信号分成两个相同的偏振复用光信号，其中两个偏振复用光信号都包括第一偏振态（SOP）光信号和 第二SOP光信号，并且第一SOP光信号是当水平SOP光信号被发送到分光器时的光信号，并且当垂直SOP光信号被发送到第二SOP光信号时，第二SOP光信号是光信号 光分路器; 水平光信号获取装置，连接到光分路器，并被配置为分离水平SOP光信号; 以及垂直光信号获取装置，连接到光分路器并且被配置为分离垂直SOP光信号。

公开(公告)号：US08849131B2

公开(公告)日：2014-09-30

申请号：US13458773

申请日：2012-04-27

Applicant: Lei Li ,  Zhenning Tao ,  Shoichiro Oda

Inventor： Lei Li ,  Zhenning Tao ,  Shoichiro Oda

IPC: H04B10/06 ,  H04B10/12 ,  H04J14/02 ,  H04B10/2519 ,  H04B10/66 ,  H04J14/06

CPC classification number: H04B10/66 ,  H04B10/2519 ,  H04J14/06

Abstract: Polarization scattering compensation device and method are disclosed. In the device, a time sequence alignment unit aligns time sequences of signals in the first and second polarization state transmitted simultaneously; a polarization scattering estimation unit estimates a scattering coefficient of a scattering by the signal in the first polarization state on the signal in the second polarization state, and a scattering coefficient of a scattering by the signal in the second polarization state on the signal in the first polarization state; and a polarization scattering removal unit removes the scattering by the signal in the first polarization state on the signal in the second polarization state, and the scattering by the signal in the second polarization state on the signal in the first polarization state, in accordance with the scattering coefficients.

Abstract translation: 公开了极化散射补偿装置和方法。 在该装置中，时间序列对准单元对准同时传输的第一和第二极化状态的信号的时间序列; 偏振散射估计单元通过第一偏振态的信号对第二偏振态的信号和第二偏振态中的信号的散射散射系数估计第一偏振态的信号的散射散射系数 极化状态; 并且偏振散射去除单元根据第二偏振状态的信号和第一偏振态的信号在第一偏振态的信号上的第一偏振态的信号的散射，根据第 散射系数。

公开(公告)号：US08849126B2

公开(公告)日：2014-09-30

申请号：US12987595

申请日：2011-01-10

Applicant: Xiang Zhou ,  Guifang Li ,  Eduardo F. Mateo

Inventor： Xiang Zhou ,  Guifang Li ,  Eduardo F. Mateo

IPC: H04B10/00 ,  H04B10/12 ,  H04B10/2569 ,  H04B10/2543 ,  H04B10/2507 ,  H04B10/2513 ,  H04B10/2537

CPC classification number: H04B10/2513 ,  H04B10/2537 ,  H04B10/2543 ,  H04B10/2569 ,  H04B10/2572

Abstract: Exemplary embodiments include a method and systems for impairment compensation in a communication system. The systems can include an electronic phase conjugation system that receives an incoming optical signal from a first section of a fiber optic link, converts the incoming optical signal to an in-phase electric signal and a quadrature electrical signal, and generates a phase conjugated outgoing optical signal from the in-phase and quadrature electrical signals. The phase conjugated outgoing optical signal compensates for impairment of the fiber in the communication system.

Abstract translation: 示例性实施例包括用于通信系统中的损伤补偿的方法和系统。 该系统可以包括电子相位共轭系统，其接收来自光纤链路的第一部分的输入光信号，将输入光信号转换为同相电信号和正交电信号，并产生相位共轭输出光 来自同相和正交电信号的信号。 相位共轭输出光信号补偿通信系统中光纤的损伤。

公开(公告)号：US08831438B2

公开(公告)日：2014-09-09

申请号：US12569296

申请日：2009-09-29

Applicant: Sung-Bum Park ,  Yun-Je Oh ,  Dae-Kwang Jung

Inventor： Sung-Bum Park ,  Yun-Je Oh ,  Dae-Kwang Jung

IPC: H04B10/00 ,  H04B10/04 ,  H04B10/12 ,  H04B10/116 ,  H04B10/114 ,  H04J14/02

CPC classification number: H04B10/116 ,  H04B10/1141 ,  H04J14/02 ,  H04J14/0279

Abstract: An apparatus for transmitting visible light communication data is provided, the apparatus including a common modulation unit generating a modulated signal for transmitting a first visible light communication data, a plurality of individual modulation units generating modulated signals for transmitting a plurality of second visible light communication data, and a plurality of light emitting units receiving the modulated signals from the plurality of individual modulation units, respectively, and outputting visible light signals, wherein an output of the common modulation unit is the input as an output control signal of the individual modulation units.

Abstract translation: 提供一种用于发送可见光通信数据的装置，该装置包括产生用于发送第一可见光通信数据的调制信号的公共调制单元，产生用于发送多个第二可见光通信数据的调制信号的多个单独调制单元 以及多个发光单元，分别从所述多个单独调制单元接收所述调制信号，并输出可见光信号，其中所述公共调制单元的输出是作为所述各个调制单元的输出控制信号的输入。