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1. 发明申请

US20110038636A1 Optical Add/Drop Multiplexer 有权
标题翻译：光分插复用器
公开(公告)号：US20110038636A1
公开(公告)日：2011-02-17
申请号：US12910497
申请日：2010-10-22
申请人： Yuichi AKIYAMA , Takafumi TERAHARA , Hiroki OOI , Jens C. RASMUSSEN , Akira MIURA , Akihiko ISOMURA
发明人： Yuichi AKIYAMA , Takafumi TERAHARA , Hiroki OOI , Jens C. RASMUSSEN , Akira MIURA , Akihiko ISOMURA
IPC分类号： H04J14/02
CPC分类号： H04Q11/0005 , H04J14/0204 , H04J14/0205 , H04J14/0206 , H04J14/0208 , H04J14/0209 , H04J14/0212 , H04J14/0213 , H04J14/0217 , H04J14/0219 , H04J14/022 , H04J14/0221 , H04Q2011/0009 , H04Q2011/0016 , H04Q2011/0032 , H04Q2011/0039 , H04Q2011/0075 , H04Q2011/0083
摘要： An optical add/drop multiplexer includes a first optical coupler receiving an optical signal including a plurality of multiplexed wavelengths, a wavelength blocker receiving the optical signal from the first optical coupler, and blocking at least one wavelength of the plurality of multiplexed wavelengths, a first wavelength selective switch, having one input port receiving the outputted optical signal from the first optical coupler and a plurality of output ports, demultiplexing a plurality of arbitrarily selected multiplexed wavelengths from the received optical signal, a second wavelength selective switch, having a plurality of input ports, each input port receiving a different optical signal and one output port, multiplexing a plurality of arbitrarily selected wavelength signals on the plurality of input ports, and a second optical coupler receiving the optical signal output from the wavelength blocker and multiplexed wavelength signal from the second wavelength selective switch.
摘要翻译：光分插复用器包括接收包括多个复用波长的光信号的第一光耦合器，接收来自第一光耦合器的光信号的波长阻挡器，以及阻挡多个复用波长的至少一个波长;第一波长选择开关，具有从所述第一光耦合器接收输出的光信号的一个输入端口和多个输出端口，从所接收的光信号中解复用多个任意选择的复用波长;第二波长选择开关，具有多个输入端口，每个输入端口接收不同的光信号和一个输出端口，在多个输入端口上复用多个任意选择的波长信号，以及接收从波长阻挡器输出的光信号的第二光耦合器和来自第二波长选择开关。

2. 发明申请

US20090047028A1 QUADRATURE PHASE-SHIFT KEYING MODULATOR AND PHASE SHIFT AMOUNT CONTROLLING METHOD FOR THE SAME 有权
标题翻译：相位相移键控调制器及其相位移量控制方法
公开(公告)号：US20090047028A1
公开(公告)日：2009-02-19
申请号：US12234931
申请日：2008-09-22
申请人： Takafumi TERAHARA , Takeshi Hoshida , Kentaro Nakamura , Yuichi Akiyama , Hiroki Ooi , Jens C. Rasmussen , Akira Miura
发明人： Takafumi TERAHARA , Takeshi Hoshida , Kentaro Nakamura , Yuichi Akiyama , Hiroki Ooi , Jens C. Rasmussen , Akira Miura
IPC分类号： H04B10/04
CPC分类号： H04B10/5053 , G02F1/0121 , G02F2001/212 , G02F2201/58 , G02F2203/21 , H04B10/505 , H04B10/50577 , H04B10/5561
摘要： The improved quadrature phase shift keying modulator has a structure such that the average light output power of phase-shift keying modulation light output from the combining unit is changed according to the phase difference between the first and the second optical signal after being combined by means of applying driving signals different in eye crossing percentage by the first modulator and the second modulator, respectively, and has a power monitor monitoring the average light output power of quadrature phase-shift keying modulated light and a phase shift controlling unit which performs feedback control of the phase shift amount in the phase shifting unit based on the average light output power monitored by the power monitor.
摘要翻译：改进的正交相移键控调制器具有这样的结构，使得从组合单元输出的相移键控调制光的平均光输出功率根据第一和第二光信号之间的相位差在通过通过第一调制器和第二调制器分别施加与眼睛交叉百分比不同的驱动信号，并且具有监视正交相移键控调制光的平均光输出功率的功率监视器和执行正交相移键控调制光的相位偏移控制单元的反相控制基于由功率监视器监视的平均光输出功率，移相单元中的相移量。

3. 发明授权

US07030973B2 Polarization mode dispersion compensator based on degree of polarization 有权
标题翻译：基于极化度的极化模式色散补偿器
公开(公告)号：US07030973B2
公开(公告)日：2006-04-18
申请号：US10736514
申请日：2003-12-17
申请人： Jens C. Rasmussen , George Ishikawa , Takafumi Terahara , Hiroki Ooi
发明人： Jens C. Rasmussen , George Ishikawa , Takafumi Terahara , Hiroki Ooi
IPC分类号： G01N21/00
CPC分类号： G01J4/00 , G01J4/04 , H04B10/2569
摘要： The degree of polarization of an optical signal is measured by a polarimeter and used for providing a feedback signal to adjust adaptive optics of a polarization mode dispersion compensator. The polarization properties of the polarimeter are determined with high accuracy to match the polarimeter through calibration and used to produce the feedback signal.
摘要翻译：光信号的偏振度由偏振计测量，用于提供反馈信号以调整偏振模色散补偿器的自适应光学元件。以高精度确定偏光仪的偏振特性，以通过校准匹配偏光计，并用于产生反馈信号。

4. 发明申请

US20100278528A1 Coherent optical receiver 审中-公开
标题翻译：相干光接收机
公开(公告)号：US20100278528A1
公开(公告)日：2010-11-04
申请号：US12662660
申请日：2010-04-27
申请人： Akihiko Isomura , Jens C. Rasmussen
发明人： Akihiko Isomura , Jens C. Rasmussen
IPC分类号： H04B10/08
CPC分类号： H04B10/6165 , H04B10/61 , H04B10/611 , H04L25/03038 , H04L27/223 , H04L2025/03477
摘要： A coherent optical receiver includes; a multiplexing section that multiplexes local oscillation light and received signal light, and outputs two pairs of lights with optical phases different to each other, a photoelectric converting section that executes differential photoelectric converting to convert the output lights from the multiplexing section into electric signals, an AD converting section that converts the respective electric signals output from the photoelectric converting section into digital signals, a digital signal processing section that compensates wavelength dispersion by subjecting the digital signals converted by the AD converting section to arithmetic processing using a digital filter, and then executes reception processing of data included in the received signal light, a monitoring section that monitors an intensity component in a predetermined band of the electric signals output from the photoelectric converting section, and a tap coefficient adjusting section that determines a tap coefficient of the digital filter according to a monitoring result obtained by the monitoring section.
摘要翻译：相干光接收机包括：多路复用局部振荡光和接收信号光，并输出具有彼此不同的光学相位的两对光;光电转换部，执行差分光电转换，将来自复用部的输出光转换为电信号; AD转换部分，其将从光电转换部分输出的各个电信号转换为数字信号;数字信号处理部分，其通过使用数字滤波器对由AD转换部分转换的数字信号进行算术处理来补偿波长色散，然后执行接收处理包含在接收信号光中的数据的监视部分，监视从光电转换部分输出的电信号的预定频带中的强度分量的监视部分和确定d的抽头系数的抽头系数调整部分根据监测部分得到的监测结果，进行数字滤波。

5. 发明授权

US07792428B2 Optical add/drop multiplexer 有权
标题翻译：光分插复用器
公开(公告)号：US07792428B2
公开(公告)日：2010-09-07
申请号：US11204184
申请日：2005-08-16
申请人： Yuichi Akiyama , Takafumi Terahara , Hiroki Ooi , Jens C. Rasmussen , Akira Miura , Akihiko Isomura
发明人： Yuichi Akiyama , Takafumi Terahara , Hiroki Ooi , Jens C. Rasmussen , Akira Miura , Akihiko Isomura
IPC分类号： H04B10/00
CPC分类号： H04Q11/0005 , H04J14/0204 , H04J14/0205 , H04J14/0206 , H04J14/0208 , H04J14/0209 , H04J14/0212 , H04J14/0213 , H04J14/0217 , H04J14/0219 , H04J14/022 , H04J14/0221 , H04Q2011/0009 , H04Q2011/0016 , H04Q2011/0032 , H04Q2011/0039 , H04Q2011/0075 , H04Q2011/0083
摘要： A core unit arranged in a transmission path includes a through path for causing an input signal to an input port to pass through to an output port, a drop-side port 25a that drops the input signal having a predetermined wavelength, and an add-side port 25b that adds channel having a predetermined wavelength to the input light.
摘要翻译：布置在传输路径中的核心单元包括用于使输入信号到输入端口通过输出端口的通路，将具有预定波长的输入信号丢弃的下降侧端口25a和相加侧端口25b，其向输入光添加具有预定波长的信道。

6. 发明授权

US07676162B2 Phase monitor used in optical receiver 失效
标题翻译：相位监视器用于光接收机
公开(公告)号：US07676162B2
公开(公告)日：2010-03-09
申请号：US11605370
申请日：2006-11-29
申请人： Akihiko Isomura , Jens C. Rasmussen , Zhenning Tao , Noriaki Mizuguchi , Kenichi Kaburagi
发明人： Akihiko Isomura , Jens C. Rasmussen , Zhenning Tao , Noriaki Mizuguchi , Kenichi Kaburagi
IPC分类号： H04B10/06 , H04B10/12
CPC分类号： H04B10/677
摘要： Branches are grouped into a group 1 including first and second branches, and a group 2 including third and fourth branches. The signal after being passed through a dual pin photodiode in one branch included in the group 1 and being at the earlier stage of a CDR circuit is obtained. Also, from the later stage of the CDR circuit in the other branch in the group 1 is obtained. The obtained signals are passed through low pass filters, and an average value over a plurality of symbols is obtained. The signal from the earlier stage of the CDR circuit is multiplied by the signal from the later stage, and they are averaged. The obtained value reflects the phase difference of the two delay interferometers in the group 1. The group 2 is monitored by using the same method.
摘要翻译：分支被分组成包括第一和第二分支的组1，以及包括第三和第四分支的组2。获得包含在组1中并处于CDR电路的较早阶段的一个分支中的双引脚光电二极管的信号。此外，从组1中的另一个分支中的CDR电路的后期获得。所获得的信号通过低通滤波器，并获得多个符号的平均值。来自CDR电路的较早阶段的信号乘以来自后期的信号，并将它们进行平均。所获得的值反映了组1中的两个延迟干涉仪的相位差。通过使用相同的方法来监视组2。

7. 发明授权

US07613366B2 Polarization mode dispersion compensator and polarization mode dispersion compensating method 失效
标题翻译：偏振模色散补偿器和偏振模色散补偿方法
公开(公告)号：US07613366B2
公开(公告)日：2009-11-03
申请号：US10581853
申请日：2004-03-25
申请人： Jens C. Rasmussen , Akihiko Isomura , George Ishikawa
发明人： Jens C. Rasmussen , Akihiko Isomura , George Ishikawa
IPC分类号： G02F1/01 , H04B10/13 , G02B6/00
CPC分类号： H04B10/2569
摘要： An amount of change of a control signal applied to a polarization controller in a polarization mode dispersion compensator is determined for each feedback loop by evaluating degree of polarization response in past feedback loops.
摘要翻译：通过评估过去反馈回路中的偏振响应程度，为每个反馈回路确定施加到偏振模色散补偿器中的偏振控制器的控制信号的变化量。

8. 发明申请

US20090034967A1 PHASE MONITOR APPARATUS, PHASE CONTROL APPARATUS AND METHODS THEREOF FOR OPTICAL DQPSK RECEIVER 有权
标题翻译：相位监视器装置，相位控制装置及其用于光学DQPSK接收器的方法
公开(公告)号：US20090034967A1
公开(公告)日：2009-02-05
申请号：US11994649
申请日：2006-07-07
申请人： Zhenning Tao , Jens C. Rasmussen , Akihiko Isomura
发明人： Zhenning Tao , Jens C. Rasmussen , Akihiko Isomura
IPC分类号： H04B10/08
CPC分类号： H04B10/69 , H04B10/677
摘要： I branch is provided with a first interferometer, a first balanced optical detector, and a first data recovery circuit. Q branch is provided with a second interferometer, a second balanced optical detector and a second data recovery circuit. In I branch, a mixer multiples input signal of the first data recovery circuit with output signal of the second recovery circuit. An averaging circuit averages output signal of the mixer. In Q branch, a mixer multiples input signal of the second data recovery circuit with output signal of the first recovery circuit. An averaging circuit averages output signal of the mixer. A first phase control apparatus controls the phase of a phase shifter comprised in the first interferometer based on the output signal of the averaging circuit. A second phase control apparatus, in the same manner, controls the phase of a phase shifter comprised in the second interferometer.
摘要翻译： I分支设置有第一干涉仪，第一平衡光学检测器和第一数据恢复电路。 Q分支设置有第二干涉仪，第二平衡光学检测器和第二数据恢复电路。在I分支中，混频器将第一数据恢复电路的输入信号与第二恢复电路的输出信号相乘。平均电路对混频器的输出信号进行平均。在Q分支中，混频器将第二数据恢复电路的输入信号与第一恢复电路的输出信号相乘。平均电路对混频器的输出信号进行平均。第一相位控制装置基于平均电路的输出信号来控制包括在第一干涉仪中的移相器的相位。以相同的方式，第二相位控制装置控制包括在第二干涉仪中的移相器的相位。

9. 发明授权

US07218856B2 System for compensating for chromatic dispersion and polarization mode dispersion 失效
标题翻译：用于补偿色散和偏振模色散的系统
公开(公告)号：US07218856B2
公开(公告)日：2007-05-15
申请号：US10949889
申请日：2004-09-27
申请人： Tomoo Takahara , Jens C. Rasmussen , Hiroki Ooi , George Ishikawa
发明人： Tomoo Takahara , Jens C. Rasmussen , Hiroki Ooi , George Ishikawa
IPC分类号： H04J14/02 , H04B10/18
CPC分类号： H04B10/25133 , H04B10/2569
摘要： A transmitted optical signal is first subjected to polarization mode dispersion compensation by a polarization mode dispersion compensator (PMDC), and then, its chromatic dispersion is compensated by a variable chromatic dispersion compensator (VDC) after the polarization mode dispersion compensation. How much the optical transmission signal suffers from polarization mode dispersion, which is needed to perform the polarization mode dispersion is measured using a Stokes parameter that is not affected by chromatic dispersion.
摘要翻译：传输的光信号首先通过偏振模色散补偿器（PMDC）进行偏振模色散补偿，然后在偏振模色散补偿之后，其色散由可变色散补偿器（VDC）补偿。使用不受色散影响的斯托克斯参数来测量执行偏振模色散所需的偏振模色散的光传输信号的多少。

10. 发明授权

US08131152B2 Optical add/drop multiplexer 有权
标题翻译：光分插复用器
公开(公告)号：US08131152B2
公开(公告)日：2012-03-06
申请号：US12910497
申请日：2010-10-22
申请人： Yuichi Akiyama , Takafumi Terahara , Hiroki Ooi , Jens C. Rasmussen , Akira Miura , Akihiko Isomura
发明人： Yuichi Akiyama , Takafumi Terahara , Hiroki Ooi , Jens C. Rasmussen , Akira Miura , Akihiko Isomura
IPC分类号： H04B10/00
CPC分类号： H04Q11/0005 , H04J14/0204 , H04J14/0205 , H04J14/0206 , H04J14/0208 , H04J14/0209 , H04J14/0212 , H04J14/0213 , H04J14/0217 , H04J14/0219 , H04J14/022 , H04J14/0221 , H04Q2011/0009 , H04Q2011/0016 , H04Q2011/0032 , H04Q2011/0039 , H04Q2011/0075 , H04Q2011/0083
摘要： An optical add/drop multiplexer includes a first optical coupler receiving an optical signal including a plurality of multiplexed wavelengths, a wavelength blocker receiving the optical signal from the first optical coupler, and blocking at least one wavelength of the plurality of multiplexed wavelengths, a first wavelength selective switch, having one input port receiving the outputted optical signal from the first optical coupler and a plurality of output ports, demultiplexing a plurality of arbitrarily selected multiplexed wavelengths from the received optical signal, a second wavelength selective switch, having a plurality of input ports, each input port receiving a different optical signal and one output port, multiplexing a plurality of arbitrarily selected wavelength signals on the plurality of input ports, and a second optical coupler receiving the optical signal output from the wavelength blocker and multiplexed wavelength signal from the second wavelength selective switch.
摘要翻译：光分插复用器包括接收包括多个复用波长的光信号的第一光耦合器，接收来自第一光耦合器的光信号的波长阻挡器，以及阻挡多个复用波长的至少一个波长;第一波长选择开关，具有从所述第一光耦合器接收输出的光信号的一个输入端口和多个输出端口，从所接收的光信号中解复用多个任意选择的复用波长;第二波长选择开关，具有多个输入端口，每个输入端口接收不同的光信号和一个输出端口，在多个输入端口上复用多个任意选择的波长信号，以及接收从波长阻挡器输出的光信号的第二光耦合器和来自第二波长选择开关。

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