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1. 发明授权

US07555061B2 Optical communication device 有权
标题翻译：光通信设备
公开(公告)号：US07555061B2
公开(公告)日：2009-06-30
申请号：US11155666
申请日：2005-06-20
申请人： Toru Katagiri , Takeshi Hoshida , Tomoo Takahara , Kentaro Nakamura , Naoki Kuwata
发明人： Toru Katagiri , Takeshi Hoshida , Tomoo Takahara , Kentaro Nakamura , Naoki Kuwata
IPC分类号： H04L27/20
CPC分类号： H04B10/5051 , H04B10/505 , H04B10/5053 , H04B10/5055 , H04B10/5561 , H04L25/03343 , H04L27/2075 , H04L27/2096
摘要： An optical sender is disclosed that operates in a Differential Quadrature Phase Shift Keying modulation scheme for high speed optical transmission and is capable of performing logical calculations at a low speed. The optical sender transmits a Differential Quadrature Phase Shift Keying (DQPSK) signal generated with modulation signals ρk and ηk so that a signal directly output from a signal receiver corresponding to the optical sender is in agreement with data signals Ik and Qk to be transmitted. The signal receiver is capable of modulation by DQPSK, and the modulation signals ρk and ηk are precoded by using the data signals Ik and Qk and the modulation signals one symbol earlier (ρk−1 and ηk−1) . The optical sender includes plural precoders that perform logical calculation simultaneously and in parallel on plural data signals one period after another period.
摘要翻译：公开了一种用于高速光传输的差分正交相移键控调制方案的光发送器，并能够以低速进行逻辑运算。光发送器发送利用调制信号rhok和etak生成的差分正交相移键控（DQPSK）信号，使得从与光发送器对应的信号接收器直接输出的信号与要发送的数据信号Ik和Qk一致。信号接收机能够通过DQPSK调制，并且通过使用数据信号Ik和Qk以及前一个符号（rhok-1和etak-1）的调制信号对调制信号rhok和etak进行预编码。光发送器包括多个预编码器，这些预编码器在一个周期之后的一个周期上同时并行并行地执行多个数据信号。

2. 发明申请

US20060193640A1 Optical signal reception device 审中-公开
标题翻译：光信号接收装置
公开(公告)号：US20060193640A1
公开(公告)日：2006-08-31
申请号：US11282886
申请日：2005-11-21
申请人： Toru Katagiri , Takeshi Hoshida , Tomoo Takahara , Kentaro Nakamura , Naoki Kuwata
发明人： Toru Katagiri , Takeshi Hoshida , Tomoo Takahara , Kentaro Nakamura , Naoki Kuwata
IPC分类号： H04B10/04
CPC分类号： H04B10/66 , H04L27/223
摘要： An optical signal reception device is disclosed that receives and demodulates an optical signal modulated by DQPSK and performs logical inversion and other controls to transit to the object reception state. The signal reception device includes a front end including a delay interferometer and an opto-electric conversion element that receive the DQPSK optical signal and convert it into an in-phase signal and an orthogonal signal, a clock regenerator that regenerates a clock signal based on the in-phase signal and the orthogonal signal, a multiplexer that multiplexes the in-phase signal and the orthogonal signal, a reception frame processing unit that detects frame synchronization based on the signal multiplexed by the multiplexer and de-maps the received frames, and a controller that, based on out-of-frame-synchronization information (LOF/OOF) from the reception frame processing unit, performs logical inversion control in the clock regenerator, multiplexing timing control in the multiplexer, and controls the delay interferometer in the front end so as to transit to the object reception state.
摘要翻译：公开了一种光信号接收装置，其接收并解调由DQPSK调制的光信号，并执行逻辑反转和其它控制以转接到对象接收状态。信号接收装置包括前端，包括延迟干涉仪和接收DQPSK光信号并将其转换为同相信号和正交信号的光电转换元件，时钟再生器基于该信号再生时钟信号同相信号和正交信号，复用多路复用同相信号和正交信号的接收帧处理单元，其基于由多路复用器复用的信号来检测帧同步并解映射接收的帧，以及控制器，其基于来自接收帧处理单元的帧外同步信息（LOF / OOF），在时钟再生器中进行逻辑反转控制，多路复用器中进行复用定时控制，并控制前端的延迟干涉仪以便转移到对象接收状态。

3. 发明授权

US07689133B2 Optical signal reception device and method of controlling optical signal reception 有权
标题翻译：光信号接收装置及控制光信号接收的方法
公开(公告)号：US07689133B2
公开(公告)日：2010-03-30
申请号：US11510729
申请日：2006-08-28
申请人： Toru Katagiri , Takeshi Hoshida , Tomoo Takahara , Kentaro Nakamura , Naoki Kuwata
发明人： Toru Katagiri , Takeshi Hoshida , Tomoo Takahara , Kentaro Nakamura , Naoki Kuwata
IPC分类号： H04B10/06
CPC分类号： H04B10/66 , H04L27/223
摘要： An optical signal reception device is disclosed that receives and demodulates an optical signal modulated by DQPSK and performs logical inversion and other controls to transit to the object reception state. The signal reception device includes a front end including a delay interferometer and an opto-electric conversion element that receive the DQPSK optical signal and convert it into an in-phase signal and a quadrature-phase signal, a clock regenerator that regenerates a clock signal based on the in-phase signal and the quadrature-phase signal, a multiplexer that multiplexes the in-phase signal and the quadrature-phase signal, a reception frame processing unit that detects frame synchronization based on the signal multiplexed by the multiplexer and de-maps the received frames, and a controller that, based on out-of-frame-synchronization information (LOF/OOF) from the reception frame processing unit, performs logical inversion control in the clock regenerator, multiplexing timing control in the multiplexer, and controls the delay interferometer in the front end so as to transit to the object reception state.
摘要翻译：公开了一种光信号接收装置，其接收并解调由DQPSK调制的光信号，并执行逻辑反转和其它控制以转接到对象接收状态。信号接收装置包括前端，其包括延迟干涉仪和光电转换元件，其接收DQPSK光信号并将其转换为同相信号和正交相位信号，时钟再生器基于时钟信号再生在同相信号和正交相位信号上，复用多路复用同相信号和正交相位信号的接收帧处理单元，其基于由多路复用器多路复用的信号和去映射来检测帧同步接收帧，以及基于来自接收帧处理单元的帧外同步信息（LOF / OOF）执行时钟再生器中的逻辑反转控制的控制器，多路复用器中的复用定时控制，并且控制延迟干涉仪在前端，以便转移到物体接收状态。

4. 发明申请

US20060193399A1 Optical communication device 有权
标题翻译：光通信设备
公开(公告)号：US20060193399A1
公开(公告)日：2006-08-31
申请号：US11155666
申请日：2005-06-20
申请人： Toru Katagiri , Takeshi Hoshida , Tomoo Takahara , Kentaro Nakamura , Naoki Kuwata
发明人： Toru Katagiri , Takeshi Hoshida , Tomoo Takahara , Kentaro Nakamura , Naoki Kuwata
IPC分类号： H04L27/22
CPC分类号： H04B10/5051 , H04B10/505 , H04B10/5053 , H04B10/5055 , H04B10/5561 , H04L25/03343 , H04L27/2075 , H04L27/2096
摘要： An optical sender is disclosed that operates in a Differential Quadrature Phase Shift Keying modulation scheme for high speed optical transmission and is capable of performing logical calculations at a low speed. The optical sender transmits a Differential Quadrature Phase Shift Keying (DQPSK) signal generated with modulation signals ρk and ηk so that a signal directly output from a signal receiver corresponding to the optical sender is in agreement with data signals Ik and Qk to be transmitted. The signal receiver is capable of modulation by DQPSK, and the modulation signals ρk and ηk are precoded by using the data signals Ik and Qk and the modulation signals one symbol earlier (ρk−1 and ηk−1) . The optical sender includes plural precoders that perform logical calculation simultaneously and in parallel on plural data signals one period after another period.
摘要翻译：公开了一种用于高速光传输的差分正交相移键控调制方案的光发送器，并能够以低速进行逻辑运算。光发送器发送使用调制信号rho和k和k进行生成的差分正交相移键控（DQPSK）信号，使得从与信号接收器对应的信号接收器直接输出的信号光发送器与要发送的数据信号I SUB和Q N k一致。该信号接收机能够通过DQPSK进行调制，并且通过使用数据信号I SUB和/或其调制信号对调制信号进行预编码并且调制信号先前有一个符号（rho-k-1和eta-k-1）。光发送器包括多个预编码器，这些预编码器在一个周期之后的一个周期上同时并行并行地执行多个数据信号。

5. 发明申请

US20070065157A1 Optical signal reception device and method of controlling optical signal reception 有权
标题翻译：光信号接收装置及控制光信号接收的方法
公开(公告)号：US20070065157A1
公开(公告)日：2007-03-22
申请号：US11510729
申请日：2006-08-28
申请人： Toru Katagiri , Takeshi Hoshida , Tomoo Takahara , Kentaro Nakamura , Naoki Kuwata
发明人： Toru Katagiri , Takeshi Hoshida , Tomoo Takahara , Kentaro Nakamura , Naoki Kuwata
IPC分类号： H04B10/00
CPC分类号： H04B10/66 , H04L27/223
摘要： An optical signal reception device is disclosed that receives and demodulates an optical signal modulated by DQPSK and performs logical inversion and other controls to transit to the object reception state. The signal reception device includes a front end including a delay interferometer and an opto-electric conversion element that receive the DQPSK optical signal and convert it into an in-phase signal and a quadrature-phase signal, a clock regenerator that regenerates a clock signal based on the in-phase signal and the quadrature-phase signal, a multiplexer that multiplexes the in-phase signal and the quadrature-phase signal, a reception frame processing unit that detects frame synchronization based on the signal multiplexed by the multiplexer and de-maps the received frames, and a controller that, based on out-of-frame-synchronization information (LOF/OOF) from the reception frame processing unit, performs logical inversion control in the clock regenerator, multiplexing timing control in the multiplexer, and controls the delay interferometer in the front end so as to transit to the object reception state.
摘要翻译：公开了一种光信号接收装置，其接收并解调由DQPSK调制的光信号，并执行逻辑反转和其它控制以转接到对象接收状态。信号接收装置包括前端，其包括延迟干涉仪和光电转换元件，其接收DQPSK光信号并将其转换为同相信号和正交相位信号，时钟再生器基于时钟信号再生在同相信号和正交相位信号上，复用多路复用同相信号和正交相位信号的接收帧处理单元，其基于由多路复用器多路复用的信号和去映射来检测帧同步接收帧，以及基于来自接收帧处理单元的帧外同步信息（LOF / OOF）执行时钟再生器中的逻辑反转控制的控制器，多路复用器中的复用定时控制，并且控制延迟干涉仪在前端，以便转移到物体接收状态。

6. 发明授权

US08867927B2 Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them 有权
标题翻译：光发送装置，光接收装置和包括它们的光通信系统
公开(公告)号：US08867927B2
公开(公告)日：2014-10-21
申请号：US12879820
申请日：2010-09-10
申请人： Yuichi Akiyama , Takeshi Hoshida , Akira Miura , Yutaka Kai , Hiroki Ooi , Jens Rasmussen , Kentaro Nakamura , Naoki Kuwata , Yoshinori Nishizawa , Tomoo Takahara , Masahiro Yuki
发明人： Yuichi Akiyama , Takeshi Hoshida , Akira Miura , Yutaka Kai , Hiroki Ooi , Jens Rasmussen , Kentaro Nakamura , Naoki Kuwata , Yoshinori Nishizawa , Tomoo Takahara , Masahiro Yuki
IPC分类号： H04B10/04
CPC分类号： G02F1/2255 , G02F1/0123 , H04B10/505 , H04B10/5051 , H04B10/5053 , H04B10/50575 , H04B10/50577 , H04B10/50595 , H04B10/5162 , H04B10/5165 , H04B10/5561 , H04B10/66 , H04B10/677
摘要： A phase shift unit provides a prescribed phase difference (π/2, for example) between a pair of optical signals transmitted via a pair of arms constituting a data modulation unit. A low-frequency signal f0 is superimposed on one of the optical signals. A signal of which phase is shifted by π/2 from the low-frequency signal f0 is superimposed on the other optical signal. A pair of the optical signals is coupled, and a part of which is converted into an electrical signal by a photodiode. 2f0 component contained in the electrical signal is extracted. Bias voltage provided to the phase shift unit is controlled by feedback control so that the 2f0 component becomes the minimum.
摘要翻译：相移单元在经由构成数据调制单元的一对臂发送的一对光信号之间提供规定的相位差（＆pgr / / 2）。低频信号f0叠加在一个光信号上。将相位从低频信号f0移位了＆pgr / / 2的信号叠加在另一个光信号上。一对光信号被耦合，其一部分由光电二极管转换成电信号。提取包含在电信号中的2f0分量。通过反馈控制来控制提供给相移单元的偏压，使得2f0分量成为最小值。

7. 发明授权

US07817923B2 Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them 有权
标题翻译：光发送装置，光接收装置和包括它们的光通信系统
公开(公告)号：US07817923B2
公开(公告)日：2010-10-19
申请号：US11275420
申请日：2005-12-30
申请人： Yuichi Akiyama , Takeshi Hoshida , Yutaka Kai , Hiroki Ooi , Kentaro Nakamura , Naoki Kuwata , Yoshinori Nishizawa , Tomoo Takahara , Masahiro Yuki
发明人： Yuichi Akiyama , Takeshi Hoshida , Yutaka Kai , Hiroki Ooi , Kentaro Nakamura , Naoki Kuwata , Yoshinori Nishizawa , Tomoo Takahara , Masahiro Yuki
IPC分类号： H04B10/04
CPC分类号： G02F1/2255 , G02F1/0123 , H04B10/505 , H04B10/5051 , H04B10/5053 , H04B10/50575 , H04B10/50577 , H04B10/50595 , H04B10/5162 , H04B10/5165 , H04B10/5561 , H04B10/66 , H04B10/677
摘要： A phase shift unit provides a prescribed phase difference (π/2, for example) between a pair of optical signals transmitted via a pair of arms constituting a data modulation unit. A low-frequency signal f0 is superimposed on one of the optical signals. A signal of which phase is shifted by π/2 from the low-frequency signal f0 is superimposed on the other optical signal. A pair of the optical signals is coupled, and a part of which is converted into an electrical signal by a photodiode. 2f0 component contained in the electrical signal is extracted. Bias voltage provided to the phase shift unit is controlled by feedback control so that the 2f0 component becomes the minimum.
摘要翻译：相移单元在经由构成数据调制单元的一对臂发送的一对光信号之间提供规定的相位差（＆pgr / / 2）。低频信号f0叠加在一个光信号上。将相位从低频信号f0移位了＆pgr / / 2的信号叠加在另一个光信号上。一对光信号被耦合，其一部分由光电二极管转换成电信号。提取包含在电信号中的2f0分量。通过反馈控制来控制提供给相移单元的偏压，使得2f0分量成为最小值。

8. 发明申请

US20060263097A1 Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them 审中-公开
标题翻译：光发送装置，光接收装置和包括它们的光通信系统
公开(公告)号：US20060263097A1
公开(公告)日：2006-11-23
申请号：US11256128
申请日：2005-10-24
申请人： Yuichi Akiyama , Takeshi Hoshida , Akira Miura , Hiroki Ooi , Jens Rasmussen , Kentaro Nakamura , Naoki Kuwata , Yoshinori Nishizawa , Tomoo Takahara
发明人： Yuichi Akiyama , Takeshi Hoshida , Akira Miura , Hiroki Ooi , Jens Rasmussen , Kentaro Nakamura , Naoki Kuwata , Yoshinori Nishizawa , Tomoo Takahara
IPC分类号： H04B10/04
CPC分类号： H04B10/5561 , H04B10/505 , H04B10/5051 , H04B10/5053 , H04B10/50575 , H04B10/50577 , H04B10/50595 , H04B10/5162 , H04B10/5165
摘要： A phase shift unit provides a prescribed phase difference (π/2, for example) between a pair of optical signals transmitted via a pair of arms constituting a data modulation unit. A low-frequency signal f0 is superimposed on one of the optical signals. A signal of which phase is shifted by π/2 from the low-frequency signal f0 is superimposed on the other optical signal. A pair of the optical signals is coupled, and a part of which is converted into an electrical signal by a photodiode. 2f0 component contained in the electrical signal is extracted. Bias voltage provided to the phase shift unit is controlled by feedback control so that the 2f0 component becomes the minimum.
摘要翻译：相移单元在经由构成数据调制单元的一对臂发送的一对光信号之间提供规定的相位差（pi / 2）。在其中一个光信号上叠加低频信号f 0 0。将相位从低频信号f 0 0 <0>移位π/ 2的信号叠加在另一个光信号上。一对光信号被耦合，其一部分由光电二极管转换成电信号。提取包含在电信号中的2f 0 0分量。通过反馈控制来控制提供给相移单元的偏压，使得2f 0 0分量成为最小。

9. 发明申请

US20120082465A1 OPTICAL TRANSMITTING APPARATUS, OPTICAL RECEIVING APPARATUS, AND OPTICAL COMMUNICATION SYSTEM COMPRISING THEM 有权
标题翻译：光传输装置，光接收装置，以及包含它们的光通信系统
公开(公告)号：US20120082465A1
公开(公告)日：2012-04-05
申请号：US12879820
申请日：2010-09-10
申请人： Yuichi Akiyama , Takeshi Hoshida , Akira Miura , Yutaka Kai , Hiroki Ooi , Jens Rasmussen , Kentaro Nakamura , Naoki Kuwata , Yoshinori Nishizawa , Tomoo Takahara , Masahiro Yuki
发明人： Yuichi Akiyama , Takeshi Hoshida , Akira Miura , Yutaka Kai , Hiroki Ooi , Jens Rasmussen , Kentaro Nakamura , Naoki Kuwata , Yoshinori Nishizawa , Tomoo Takahara , Masahiro Yuki
IPC分类号： H04B10/06 , H04B10/00
CPC分类号： G02F1/2255 , G02F1/0123 , H04B10/505 , H04B10/5051 , H04B10/5053 , H04B10/50575 , H04B10/50577 , H04B10/50595 , H04B10/5162 , H04B10/5165 , H04B10/5561 , H04B10/66 , H04B10/677
摘要： A phase shift unit provides a prescribed phase difference (π/2, for example) between a pair of optical signals transmitted via a pair of arms constituting a data modulation unit. A low-frequency signal f0 is superimposed on one of the optical signals. A signal of which phase is shifted by π/2 from the low-frequency signal f0 is superimposed on the other optical signal. A pair of the optical signals is coupled, and a part of which is converted into an electrical signal by a photodiode. 2f0 component contained in the electrical signal is extracted. Bias voltage provided to the phase shift unit is controlled by feedback control so that the 2f0 component becomes the minimum.
摘要翻译：相移单元在经由构成数据调制单元的一对臂发送的一对光信号之间提供规定的相位差（＆pgr / / 2）。低频信号f0叠加在一个光信号上。将相位从低频信号f0移位了＆pgr / / 2的信号叠加在另一个光信号上。一对光信号被耦合，其一部分由光电二极管转换成电信号。提取包含在电信号中的2f0分量。通过反馈控制来控制提供给相移单元的偏压，使得2f0分量成为最小值。

10. 发明申请

US20060263098A1 OPTICAL TRANSMITTING APPARATUS, OPTICAL RECEIVING APPARATUS, AND OPTICAL COMMUNICATION SYSTEM COMPRISING THEM 有权
标题翻译：光传输装置，光接收装置，以及包含它们的光通信系统
公开(公告)号：US20060263098A1
公开(公告)日：2006-11-23
申请号：US11275420
申请日：2005-12-30
申请人： Yuichi AKIYAMA , Takeshi Hoshida , Akira Miura , Yutaka Kai , Hiroki Ooi , Jens Rasmussen , Kentaro Nakamura , Naoki Kuwata , Yoshinori Nishizawa , Tomoo Takahara , Masahiro Yuki
发明人： Yuichi AKIYAMA , Takeshi Hoshida , Akira Miura , Yutaka Kai , Hiroki Ooi , Jens Rasmussen , Kentaro Nakamura , Naoki Kuwata , Yoshinori Nishizawa , Tomoo Takahara , Masahiro Yuki
IPC分类号： H04B10/04
CPC分类号： G02F1/2255 , G02F1/0123 , H04B10/505 , H04B10/5051 , H04B10/5053 , H04B10/50575 , H04B10/50577 , H04B10/50595 , H04B10/5162 , H04B10/5165 , H04B10/5561 , H04B10/66 , H04B10/677
摘要： A phase shift unit provides a prescribed phase difference (π/2, for example) between a pair of optical signals transmitted via a pair of arms constituting a data modulation unit. A low-frequency signal f0 is superimposed on one of the optical signals. A signal of which phase is shifted by π/2 from the low-frequency signal f0 is superimposed on the other optical signal. A pair of the optical signals is coupled, and a part of which is converted into an electrical signal by a photodiode. 2f0 component contained in the electrical signal is extracted. Bias voltage provided to the phase shift unit is controlled by feedback control so that the 2f0 component becomes the minimum.
摘要翻译：相移单元在经由构成数据调制单元的一对臂发送的一对光信号之间提供规定的相位差（pi / 2）。在其中一个光信号上叠加低频信号f 0 0。将相位从低频信号f 0 0 <0>移位π/ 2的信号叠加在另一个光信号上。一对光信号被耦合，其一部分由光电二极管转换成电信号。提取包含在电信号中的2f 0 0分量。通过反馈控制来控制提供给相移单元的偏压，使得2f 0 0分量成为最小。

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