公开(公告)号：US07130544B2

公开(公告)日：2006-10-31

申请号：US10192705

申请日：2002-07-11

申请人： Yasunori Kasahara ,  Hideki Goto ,  Takashi Mizuochi ,  Kenkichi Shimomura ,  Masatoshi Suzuki ,  Yukio Horiuchi ,  Daishi Ishii ,  Toshio Kawazawa

发明人： Yasunori Kasahara ,  Hideki Goto ,  Takashi Mizuochi ,  Kenkichi Shimomura ,  Masatoshi Suzuki ,  Yukio Horiuchi ,  Daishi Ishii ,  Toshio Kawazawa

IPC分类号： H04B10/02

CPC分类号： H04B10/2918 ,  H04B10/0777 ,  H04B2210/074

摘要： An optical repeating system includes an optical transmitter and an optical amplifying repeater. The optical transmitter transmits a supervisory command and a control command to the optical amplifying repeater as a first sub-signal. The supervisory command is a command to supervise internal circuits of the optical amplifying repeater, and the control command is a command to control the optical amplifying repeater. The optical amplifying repeater includes multiple sub-modules each for amplifying and repeating main signals on multiple sets of optical transmission lines. When receiving the supervisory command via the optical transmission line, each sub-module transmits a supervisory signal indicating the supervisory result associated with the supervisory command to an optical receiver as a second sub-signal. In addition, when receiving a predetermined control command via the optical transmission line, each sub-module initializes another sub-module of the multiple sub-modules in response to the predetermined control command. The optical amplifying repeater can restart its control program even when it has fallen into a state where it is difficult to continue to execute the normal operation in accordance with the control program because of some exception or the like.

公开(公告)号：US07088500B2

公开(公告)日：2006-08-08

申请号：US11189233

申请日：2005-07-26

申请人： Thomas D. Stephens

发明人： Thomas D. Stephens

IPC分类号： H01S3/09

CPC分类号： H04B10/2918 ,  H04B10/2525 ,  H04B10/2916

摘要： Optical systems of the present invention includes power sources that provide dedicated and shared power to a plurality of optical amplification sections. In various embodiments, multiple optical pump sources are provided the include a plurality of optical sources, which supply dedicated optical pump power and shared optical pump power to two or more optical amplification sections. In other embodiments, remote dispersion compensation is performed and Raman amplification is provided to overcome at least a portion of the loss.

摘要翻译： 本发明的光学系统包括为多个光放大部分提供专用和共享功率的电源。 在各种实施例中，提供了多个光泵浦源，其包括多个光源，其向两个或更多个光放大部分提供专用光泵功率和共享光泵功率。 在其他实施例中，执行远程色散补偿并提供拉曼放大以克服损失的至少一部分。

公开(公告)号：US07068945B2

公开(公告)日：2006-06-27

申请号：US11136707

申请日：2005-05-25

申请人： Hiroshi Ogiwara ,  Kenji Ota

发明人： Hiroshi Ogiwara ,  Kenji Ota

IPC分类号： H04B10/02

CPC分类号： G01M11/3154 ,  H04B10/071 ,  H04B10/2918

摘要： A method includes taking backscattering light of a first wavelength in a first direction of a first transmission line and coupling the same so that the light may travel in a second direction of a second transmission line; taking a second wavelength in the first direction of the first transmission line and coupling the same so that the second wavelength may travel in the first direction of the second transmission line; taking backscattering light of the first wavelength in the second direction of the second transmission line and coupling the same so that the backscattering light may travel in the first direction of the first transmission line; taking the second wavelength in the second direction of the second transmission line and coupling the same so that the second wavelength may travel in the second direction of the first transmission line.

摘要翻译： 一种方法包括：在第一传输线的第一方向上获取第一波长的反向散射光并将其耦合，使得光可以在第二传输线的第二方向上行进; 在第一传输线的第一方向上取第二波长并将其耦合，使得第二波长可以在第二传输线的第一方向上行进; 在第二传输线的第二方向上获取第一波长的反向散射光并将其耦合，使得后向散射光可沿第一传输线的第一方向行进; 在第二传输线的第二方向上取第二波长并将其耦合，使得第二波长可以在第一传输线的第二方向上行进。

公开(公告)号：US20050185258A1

公开(公告)日：2005-08-25

申请号：US10992749

申请日：2004-11-22

申请人： Ryu Yokoyama

发明人： Ryu Yokoyama

IPC分类号： G02F1/35 ,  H01S3/06 ,  H01S3/067 ,  H01S3/30 ,  H04B10/07 ,  H04B10/29 ,  H04B10/294 ,  H04B10/297 ,  H04J14/00 ,  H04J14/02 ,  H01S3/00

CPC分类号： H04B10/2918 ,  H01S3/30 ,  H04B10/2916

摘要： Flatness of a gain (optical output level) is maintained even when a wavelength division multiplex signal light (WDM signal light) is amplified in an optical amplification utilizing Raman amplification function. The optical amplifier comprises: two (first and second) pumping light sources for Raman amplification for outputting first and second pumping lights; the wavelength multiplexer for Raman amplification for allowing the first and second pumping lights to be incident on optical fiber transmission paths, where the WDM signal light propagates, in the direction opposite to the propagation direction of the signal light. The signal lights are Raman amplified by the both pumping lights. A wavelength of the first pumping light is set such that the gain of the Raman amplified signal light declines in the right direction, and, on the other side, the wavelength of the second pumping light is set such that the gain declines in the left direction. Gradients for showing a relation between the wavelength and the gain in Raman amplification by the first and second pumping lights are made to be in opposite directions from each other. Optical output levels and the wavelengths of the first and second pumping lights are set such that the gains for the signal lights included in the Raman amplified WDM signal light become substantially equal to each other.

摘要翻译： 即使当使用拉曼放大功能的光放大中放大波分复用信号光（WDM信号光）时，也保持增益的平坦度（光输出电平）。 光放大器包括：用于拉曼放大的两个（第一和第二）泵浦光源，用于输出第一和第二泵浦光; 用于拉曼放大的波长多路复用器，用于允许第一和第二泵浦光入射在WDM信号光沿与信号光的传播方向相反的方向传播的光纤传输路径上。 信号灯是由两个泵浦灯放大的拉曼。 第一泵浦光的波长被设定为使得拉曼放大信号光的增益在正确的方向上下降，另一方面设定第二泵浦光的波长，使得增益在左方向下降 。 用于示出通过第一和第二泵浦光的拉曼放大的波长和增益之间的关系的梯度被制成彼此相反的方向。 光输出电平和第一和第二泵浦光的波长被设置为使得包括在拉曼放大的WDM信号光中的信号光的增益基本上彼此相等。

公开(公告)号：US06914718B2

公开(公告)日：2005-07-05

申请号：US10192703

申请日：2002-07-11

申请人： Yasunori Kasahara ,  Hideki Goto ,  Takashi Mizuochi ,  Kenkichi Shimomura ,  Yukio Horiuchi ,  Masatoshi Suzuki ,  Toshio Kawazawa ,  Daishi Ishii

发明人： Yasunori Kasahara ,  Hideki Goto ,  Takashi Mizuochi ,  Kenkichi Shimomura ,  Yukio Horiuchi ,  Masatoshi Suzuki ,  Toshio Kawazawa ,  Daishi Ishii

IPC分类号： H04B10/07 ,  H04B10/077 ,  H04B10/29 ,  H04B10/293 ,  H04B10/297 ,  H04B10/80 ,  H04B17/40 ,  H01S3/00 ,  H04B10/08

CPC分类号： H04B10/2918 ,  H04B10/0777 ,  H04B2210/074

摘要： In an optical repeating system including an optical transmitter and optical amplifying repeaters, the optical transmitter specifies one optical amplifying repeater, and transmits to the optical amplifying repeater a supervisory command to supervise internal circuits of the optical amplifying repeater and a control command to control amplification factors of optical amplifiers of the optical amplifying repeater as a first sub-signal. Receiving the supervisory command via an optical transmission line, the optical amplifying repeater transmits a supervisory signal indicating a supervisory result corresponding to the supervisory command to optical receivers via optical transmission lines as a second sub-signal. Receiving the control command via the optical transmission line, the optical amplifying repeater is controlled to change amplification factors of the optical amplifiers in response to the control command.

摘要翻译： 在包括光发射机和光放大中继器的光学重复系统中，光发射机规定了一个光放大中继器，并向光放大中继器发送监控光放大中继器的内部电路的监控命令和控制放大系数的控制命令 的光放大中继器的光放大器作为第一子信号。 通过光传输线路接收监控命令，光放大中继器作为第二子信号通过光传输线路向光接收机发送指示与监控命令对应的监控结果的监控信号。 通过光传输线接收控制命令，控制光放大中继器，以响应于控制命令改变光放大器的放大系数。

公开(公告)号：US20050117839A1

公开(公告)日：2005-06-02

申请号：US10500036

申请日：2001-12-27

申请人： Roberto Avallone ,  Andrea Fregosi

发明人： Roberto Avallone ,  Andrea Fregosi

IPC分类号： H04B10/00 ,  H04B10/02 ,  H04B10/077 ,  H04B10/08 ,  H04B10/17 ,  H04B10/291 ,  G02B6/28

CPC分类号： H04B10/2918 ,  H04B10/0777 ,  H04B10/2916 ,  H04B2210/074

摘要： An optical transmission system having a supervisory system of devices disposed along an optical link. Co-propagating Raman amplifiers are disposed along the optical link. Low frequency supervisory signals are superimposed on the optical signals traveling on the optical link by suitable modulators in the devices disposed along the line or by the same co-propagating Raman amplifiers. Regeneration of the supervisory signal is provided in at least one device disposed along the optical link in order to counteract attenuation introduced on the supervisory signal by the co-propagating Raman amplifiers.

摘要翻译： 一种光传输系统，具有沿光链路设置的设备的监控系统。 共同传播的拉曼放大器沿光链路设置。 低频监控信号通过在沿线设置的器件中或通过相同的共同传播的拉曼放大器中的合适的调制器叠加在光链路上行进的光信号上。 在沿着光链路设置的至少一个设备中提供监控信号的再生以便抵消由共同传播的拉曼放大器引入的监控信号上的衰减。

公开(公告)号：US06868204B2

公开(公告)日：2005-03-15

申请号：US10098308

申请日：2002-03-18

申请人： Ryu Yokoyama ,  Takaaki Ogata

发明人： Ryu Yokoyama ,  Takaaki Ogata

IPC分类号： H01S3/00 ,  H01S3/10 ,  H04B10/07 ,  H04B10/077 ,  H04B10/29 ,  H04B17/40 ,  G02B6/26

CPC分类号： H04B10/2918 ,  H04B10/071 ,  H04B10/0775 ,  H04B10/0777 ,  H04B2210/077 ,  H04B2210/078

摘要： An optical amplifying and relaying system capable of easily and highly accurately monitor troubles in optical amplifiers provided in an up and a down optical fiber transmission line opposing each other is disclosed. Monitoring light signal folding-back lines including variable optical attenuators 4a and 4b and wavelength selective reflecting means 5a and 5b, respectively, are provided between optical transmission lines L1 and L2, which oppose each other and on which optical amplifiers 4a and 4b are disposed each other.

公开(公告)号：US20040212875A1

公开(公告)日：2004-10-28

申请号：US10354064

申请日：2003-01-30

发明人： Jinghui Li ,  Genzao Zhang ,  Tongqing Wang ,  Tiangong Liu

IPC分类号： H01S003/00

CPC分类号： H04B10/2918 ,  H01S3/06704

摘要： An apparatus is provided comprising a dual optical amplifier. The two optical amplifiers are integrated, in that they share at a set of optical, electrical, or opto-electrical components. The two optical amplifiers may share a pump laser. Alternatively, the optical amplifiers may share photo-detectors. Methods of controlling the signal strength of output signals are also provided. A chip-based integrated optical dual amplifier, using Erbium-Doped Waveguides, is also provided.

摘要翻译： 提供了一种包括双光放大器的装置。 这两个光放大器是集成的，因为它们共享一组光，电或光电组件。 两个光放大器可以共享泵激光器。 或者，光放大器可以共享光检测器。 还提供了控制输出信号的信号强度的方法。 还提供了使用铒掺杂波导的基于芯片的集成光学双放大器。

公开(公告)号：US20040161191A1

公开(公告)日：2004-08-19

申请号：US10779668

申请日：2004-02-18

申请人： NEC Corporation

发明人： Ryu Yokoyama ,  Takaaki Ogata

IPC分类号： G02B006/26

CPC分类号： H04B10/2918 ,  H04B10/071 ,  H04B10/0775 ,  H04B10/0777 ,  H04B2210/077 ,  H04B2210/078

摘要： An optical amplifying and relaying system capable of easily and highly accurately monitor troubles in optical amplifiers provided in an up and a down optical fiber transmission line opposing each other is disclosed. Monitoring light signal folding-back lines including variable optical attenuators 4a and 4b and wavelength selective reflecting means 5a and 5b, respectively, are provided between optical transmission lines L1 and L2, which oppose each other and on which optical amplifiers 4a and 4b are disposed each other.

摘要翻译： 公开了一种能够容易且高精度地监视设置在彼此相对的上下光纤传输线路中的光放大器中的故障的光放大和中继系统。 在彼此相对的光传输线L1和L2之间分别设置包括可变光衰减器4a和4b以及波长选择反射装置5a和5b的光信号折叠线，并且每个放置光放大器4a和4b 其他。

公开(公告)号：US20040085624A1

公开(公告)日：2004-05-06

申请号：US10384228

申请日：2003-03-07

发明人： Jian Liu ,  Zheng Wang ,  Yonglin Huang ,  Xuejun Lu

IPC分类号： H01S003/00

CPC分类号： H04B10/2918 ,  H01S3/06758 ,  H01S3/094003 ,  H01S3/094061

摘要： A dual fiber optic amplifier uses a single pump source for two or more optical power amplifiers. The dual fiber optic amplifier includes a pump source that emits light, a pump splitter, a first optical power amplifier and a second optical power amplifier. The pump splitter splits the light emitted by the pump source into two or more portions. The first optical power amplifier includes an optical fiber input, an optical fiber output, and a doped fiber portion, wherein the first portion of light from the splitter is coupled into the optical fiber input of the first optical power amplifier. The second optical power amplifier includes an optical fiber input, an optical fiber output, and a doped fiber portion, wherein the second portion of light emitted from the splitter is coupled into the optical fiber input of the second optical power amplifier.

摘要翻译： 双光纤放大器使用单个泵浦源用于两个或更多个光功率放大器。 双光纤放大器包括发射光的泵浦源，泵分离器，第一光功率放大器和第二光功率放大器。 泵分配器将由泵浦源发射的光分成两部分或更多部分。 第一光功率放大器包括光纤输入，光纤输出和掺杂光纤部分，其中来自分离器的第一部分光耦合到第一光功率放大器的光纤输入端。 第二光功率放大器包括光纤输入，光纤输出和掺杂光纤部分，其中从分路器发射的光的第二部分耦合到第二光功率放大器的光纤输入端。