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1. 发明授权

US08139285B2 Raman amplifying device and control method 有权
标题翻译：拉曼放大器及其控制方法
公开(公告)号：US08139285B2
公开(公告)日：2012-03-20
申请号：US12360906
申请日：2009-01-28
申请人： Miki Onaka , Kiyotoshi Noheji , Togo Fukushi , Masanori Kondoh
发明人： Miki Onaka , Kiyotoshi Noheji , Togo Fukushi , Masanori Kondoh
IPC分类号： H04B10/17 , H01S3/30 , H04B10/12
CPC分类号： H01S3/302 , H01S3/094003 , H01S3/094096 , H01S3/0941 , H01S3/1301 , H01S2301/04 , H04B10/2916
摘要： A light amplifying device including a Raman amplifier to Raman-amplify a signal light by inputting excitation lights of a plurality of wavelengths to a transmission path through which the signal light propagates, a plurality of measuring units measuring powers of light output from the Raman amplifier in a plurality of wavelength bands included in an amplification band of the Raman amplifier, a calculating unit calculating a ratio of the respective powers measured by at least two of the plurality of measuring units, and a control unit controlling a power ratio of the respective excitation lights input to the transmission path by the Raman amplifier based on the ratio calculated by the calculating unit.
摘要翻译：一种光放大装置，包括拉曼放大器，用于通过将多个波长的激发光输入到信号光传播的传输路径来对信号光进行拉曼放大;多个测量单元，测量从拉曼放大器输出的光的功率包括在拉曼放大器的放大频带中的多个波长带，计算单元，其计算由所述多个测量单元中的至少两个测量的各个功率的比率;以及控制单元，其控制各个激励光的功率比基于由计算单元计算的比率，由拉曼放大器输入到传输路径。

2. 发明授权

US08248689B2 Distributed Raman amplifying system, start-up method thereof, and optical device 有权
标题翻译：分布式拉曼放大系统，其启动方法和光学器件
公开(公告)号：US08248689B2
公开(公告)日：2012-08-21
申请号：US12254326
申请日：2008-10-20
申请人： Masanori Kondoh , Yasushi Sugaya , Togo Fukushi , Miki Onaka , Kiyotoshi Noheji
发明人： Masanori Kondoh , Yasushi Sugaya , Togo Fukushi , Miki Onaka , Kiyotoshi Noheji
IPC分类号： H01S3/30 , H04B10/17 , H04B10/12
CPC分类号： H01S3/302 , H01S3/06758 , H01S3/1305 , H01S3/2316
摘要： To obtain automatic gain control with high accuracy by including first and second light monitors, a reference light supplying unit supplying reference light of which wavelength is set within a gain band of a distributed Raman amplification and out of a wavelength band of main signal light to the optical transmission path, a first reference light monitor monitoring a power of the reference light input to the optical transmission path from one end side thereof, a second reference light monitor monitoring the power of the reference light output from the other end side of the optical transmission path, and a controlling unit controlling supply of pump light in a pump light supplying unit as well as supervising a state of the optical transmission path, based on monitor results from the first and second light monitor and the monitor results in the first and second reference light monitors.
摘要翻译：为了通过包括第一和第二光监测器来高精度地获得自动增益控制，参考光供给单元将波长设定在分布的拉曼放大的增益带内并将主信号光的波长带之外的参考光提供给光传输路径，第一参考光监视器，监视从其一端侧输入到光传输路径的参考光的功率;第二参考光监视器，监视从光传输的另一端输出的参考光的功率路径，以及控制单元，其基于来自第一和第二光监视器的监视结果控制泵光供给单元中的泵浦光的供给以及监视光传输路径的状态，并且监视器得到第一和第二参考光显示器。

3. 发明申请

US20090190204A1 Wavelength division multiplexing optical transmission system utilizing distributed raman amplification 有权
标题翻译：波分复用光传输系统利用分布式拉曼放大
公开(公告)号：US20090190204A1
公开(公告)日：2009-07-30
申请号：US12232900
申请日：2008-09-25
申请人： Miki Onaka , Kiyotoshi Noheji , Togo Fukushi , Masanori Kondoh
发明人： Miki Onaka , Kiyotoshi Noheji , Togo Fukushi , Masanori Kondoh
IPC分类号： H01S3/30
CPC分类号： H01S3/302 , H01S3/06725 , H01S3/06758 , H01S3/06766 , H01S3/094096 , H01S3/10015 , H01S3/10069 , H01S3/1305 , H04B10/2916
摘要： The WDM optical transmission system using distributed Raman amplification, before starting operation of main signal light, transfers a plurality of lights having different wavelengths to that of the main signal light (for example Raman amplification pump lights or the like) between first and second optical transmission devices connected to opposite ends of a transmission line, monitors transmission line input and output power for each light, calculates a transmission line loss in each wavelength using the monitor results, and specifies a type of the transmission line based on a loss wavelength characteristic that can be estimated from the calculation result. Then the power of pump light provided to the transmission light is optimized in accordance with the type of transmission line.
摘要翻译：在主信号光开始运行之前，使用分布式拉曼放大的WDM光传输系统将具有不同波长的多个光传输到第一和第二光传输之间的主信号光（例如拉曼放大泵浦光等）连接到传输线的相对端的装置监测每个光的传输线输入和输出功率，使用监视结果计算每个波长的传输线损耗，并且基于可以根据监视结果的损耗波长特性来指定传输线的类型根据计算结果估算。然后根据传输线的类型优化提供给传输光的泵浦光的功率。

4. 发明申请

US20090213454A1 RAMAN AMPLIFICATION APPARATUS AND DISTRIBUTED RAMAN AMPLIFICATION SYSTEM AS WELL AS STARTING UP METHOD FOR DISTRIBUTED RAMAN AMPLIFICATION SYSTEM 有权
标题翻译：拉曼放大装置和分布式拉曼放大系统以及分布式拉曼放大系统的启动方法
公开(公告)号：US20090213454A1
公开(公告)日：2009-08-27
申请号：US12365212
申请日：2009-02-04
申请人： Kiyotoshi Noheji , Masanori Kondoh , Miki Onaka , Togo Fukushi
发明人： Kiyotoshi Noheji , Masanori Kondoh , Miki Onaka , Togo Fukushi
IPC分类号： H01S3/30
CPC分类号： H04B10/2916 , H01S3/302
摘要： A Raman amplification apparatus includes a pumping light supplying section, a main signal wavelength light level acquisition section, a monitoring signal wavelength light level acquisition section, a function information storage section for storing, as function information, information regarding functions for deriving a noise amount and a gain by Raman amplification with regard to a monitoring signal wavelength light with respect to pumping light power supplied from the pumping light supplying section, and a transmission characteristic derivation section for deriving a transmission characteristic on an optical transmission line based on information acquired by the main signal wavelength light level acquisition section and the monitoring signal wavelength light level acquisition section and the function information stored in the function information storage section, and Raman gain is derived with high accuracy in comparison with the conventional technique.
摘要翻译：拉曼放大装置包括：泵浦光供给部，主信号波长光级获取部，监视信号波长光级获取部，功能信息存储部，作为功能信息存储关于导出噪声量的功能的信息; 关于从泵浦光供给部提供的泵浦光功率的监视信号波长光的拉曼放大的增益，以及用于基于由主体获取的信息导出光传输线上的传输特性的传输特性导出部信号波长光级获取部和监视信号波长光级获取部以及存储在功能信息存储部中的功能信息，并且与传统技术相比高精度地导出拉曼增益。

5. 发明授权

US08054538B2 Raman amplification apparatus and distributed raman amplification system as well as starting up method for distributed raman amplification system 有权
标题翻译：拉曼放大装置和分布式拉曼放大系统以及分布式拉曼放大系统的启动方法
公开(公告)号：US08054538B2
公开(公告)日：2011-11-08
申请号：US12365212
申请日：2009-02-04
申请人： Kiyotoshi Noheji , Masanori Kondoh , Miki Onaka , Togo Fukushi
发明人： Kiyotoshi Noheji , Masanori Kondoh , Miki Onaka , Togo Fukushi
IPC分类号： H01S3/30 , H04B10/17 , H04B10/12
CPC分类号： H04B10/2916 , H01S3/302
摘要： A Raman amplification apparatus includes a pumping light supplying section, a main signal wavelength light level acquisition section, a monitoring signal wavelength light level acquisition section, a function information storage section for storing, as function information, information regarding functions for deriving a noise amount and a gain by Raman amplification with regard to a monitoring signal wavelength light with respect to pumping light power supplied from the pumping light supplying section, and a transmission characteristic derivation section for deriving a transmission characteristic on an optical transmission line based on information acquired by the main signal wavelength light level acquisition section and the monitoring signal wavelength light level acquisition section and the function information stored in the function information storage section, and Raman gain is derived with high accuracy in comparison with the conventional technique.
摘要翻译：拉曼放大装置包括：泵浦光供给部，主信号波长光级获取部，监视信号波长光级获取部，功能信息存储部，作为功能信息存储关于导出噪声量的功能的信息; 关于从泵浦光供给部提供的泵浦光功率的监视信号波长光的拉曼放大的增益，以及用于基于由主体获取的信息导出光传输线上的传输特性的传输特性导出部信号波长光级获取部和监视信号波长光级获取部以及存储在功能信息存储部中的功能信息，并且与传统技术相比高精度地导出拉曼增益。

6. 发明授权

US08049955B2 Optical amplification apparatus, optical communication apparatus, and optical communication method 有权
标题翻译：光放大装置，光通信装置和光通信方法
公开(公告)号：US08049955B2
公开(公告)日：2011-11-01
申请号：US12285229
申请日：2008-09-30
申请人： Miki Onaka , Yasushi Sugaya , Togo Fukushi , Masanori Kondoh , Kiyotoshi Noheji , Takashi Hayasaka
发明人： Miki Onaka , Yasushi Sugaya , Togo Fukushi , Masanori Kondoh , Kiyotoshi Noheji , Takashi Hayasaka
IPC分类号： H04B10/17 , H04B10/12
CPC分类号： H04B10/2931 , H04B10/07953
摘要： A Raman amplifier inputs pump light into an optical fiber (transmission path) through which an optical signal passes, to amplify the optical signal. An optical receiving unit is provided downstream of the Raman amplifier and monitors the power of the optical signal amplified by the Raman amplifier. A calculating unit determines Raman amplification gain based on the power of the optical signal monitored by the optical receiving unit, and calculates the power of a noise component included in the optical signal based on the gain. The calculating unit, in real-time, calculates the power, which varies in complicated manners depending on conditions, and outputs information concerning to the power to another apparatus at a frequency on the order of milliseconds.
摘要翻译：拉曼放大器将泵浦光输入到光信号通过的光纤（传输路径）中，以放大光信号。光接收单元设置在拉曼放大器的下游，并监视由拉曼放大器放大的光信号的功率。计算单元基于由光接收单元监视的光信号的功率来确定拉曼放大增益，并且基于增益计算包括在光信号中的噪声分量的功率。计算单元实时地计算根据条件以复杂的方式变化的功率，并且以与毫秒数量级的频率将关于功率的信息输出到另一设备。

7. 发明授权

US08004751B2 Wavelength division multiplexing optical transmission system utilizing distributed raman amplification 有权
标题翻译：波分复用光传输系统利用分布式拉曼放大
公开(公告)号：US08004751B2
公开(公告)日：2011-08-23
申请号：US12232900
申请日：2008-09-25
申请人： Miki Onaka , Kiyotoshi Noheji , Togo Fukushi , Masanori Kondoh
发明人： Miki Onaka , Kiyotoshi Noheji , Togo Fukushi , Masanori Kondoh
IPC分类号： H04B10/17 , H04B10/08 , H04B10/12
CPC分类号： H01S3/302 , H01S3/06725 , H01S3/06758 , H01S3/06766 , H01S3/094096 , H01S3/10015 , H01S3/10069 , H01S3/1305 , H04B10/2916
摘要： The WDM optical transmission system using distributed Raman amplification, before starting operation of main signal light, transfers a plurality of lights having different wavelengths to that of the main signal light (for example Raman amplification pump lights or the like) between first and second optical transmission devices connected to opposite ends of a transmission line, monitors transmission line input and output power for each light, calculates a transmission line loss in each wavelength using the monitor results, and specifies a type of the transmission line based on a loss wavelength characteristic that can be estimated from the calculation result. Then the power of pump light provided to the transmission light is optimized in accordance with the type of transmission line.
摘要翻译：在主信号光开始运行之前，使用分布式拉曼放大的WDM光传输系统将具有不同波长的多个光传输到第一和第二光传输之间的主信号光（例如拉曼放大泵浦光等）连接到传输线的相对端的装置监测每个光的传输线输入和输出功率，使用监视结果计算每个波长的传输线损耗，并且基于可以根据监视结果的损耗波长特性来指定传输线的类型根据计算结果估算。然后根据传输线的类型优化提供给传输光的泵浦光的功率。

8. 发明申请

US20090195863A1 Optical amplification apparatus, optical communication apparatus, and optical communication method 有权
标题翻译：光放大装置，光通信装置和光通信方法
公开(公告)号：US20090195863A1
公开(公告)日：2009-08-06
申请号：US12285229
申请日：2008-09-30
申请人： Miki Onaka , Yasushi Sugaya , Togo Fukushi , Masanori Kondoh , Kiyotoshi Noheji , Takashi Hayasaka
发明人： Miki Onaka , Yasushi Sugaya , Togo Fukushi , Masanori Kondoh , Kiyotoshi Noheji , Takashi Hayasaka
IPC分类号： H01S3/00
CPC分类号： H04B10/2931 , H04B10/07953
摘要： A Raman amplifier inputs pump light into an optical fiber (transmission path) through which an optical signal passes, to amplify the optical signal. An optical receiving unit is provided downstream of the Raman amplifier and monitors the power of the optical signal amplified by the Raman amplifier. A calculating unit determines Raman amplification gain based on the power of the optical signal monitored by the optical receiving unit, and calculates the power of a noise component included in the optical signal based on the gain. The calculating unit, in real-time, calculates the power, which varies in complicated manners depending on conditions, and outputs information concerning to the power to another apparatus at a frequency on the order of milliseconds.
摘要翻译：拉曼放大器将泵浦光输入到光信号通过的光纤（传输路径）中，以放大光信号。光接收单元设置在拉曼放大器的下游，并监视由拉曼放大器放大的光信号的功率。计算单元基于由光接收单元监视的光信号的功率来确定拉曼放大增益，并且基于增益计算包括在光信号中的噪声分量的功率。计算单元实时地计算根据条件以复杂的方式变化的功率，并且以与毫秒数量级的频率将关于功率的信息输出到另一设备。

9. 发明授权

US08451532B2 Control apparatus of optical amplifier 有权
标题翻译：光放大器控制装置
公开(公告)号：US08451532B2
公开(公告)日：2013-05-28
申请号：US12573461
申请日：2009-10-05
申请人： Taichi Ueki , Miki Onaka
发明人： Taichi Ueki , Miki Onaka
IPC分类号： H04B10/17 , H04B10/12
CPC分类号： H04B10/296
摘要： A control apparatus of an optical amplifier includes a monitoring section that measures power of light inputted to the optical amplifier, a power-wavelength characteristics variable section that is operable to change a wavelength characteristic of power of the light inputted, a wavelength number decrease recognition section that compares the value of the power of light measured by the monitoring section with a predetermined threshold, and a control section that controls the power-wavelength characteristics variable section when the wavelength number decrease recognition section judges that the value of the power of light falls below the threshold.
摘要翻译：光放大器的控制装置包括测量输入到光放大器的光的功率的监视部分，可操作以改变输入的光的功率的波长特性的功率波长特性可变部分，波长数减少识别部分其将由监视部测量的光的功率值与预定阈值进行比较;以及控制部，当所述波长数减少识别部判断出所述光功率值低于所述阈值时，控制所述功率波长特性变量部门槛。

10. 发明授权

US07725032B2 Optical transmission apparatus 有权
标题翻译：光传输装置
公开(公告)号：US07725032B2
公开(公告)日：2010-05-25
申请号：US11319371
申请日：2005-12-29
申请人： Miki Onaka , Yasushi Sugaya , Hiroki Ooi
发明人： Miki Onaka , Yasushi Sugaya , Hiroki Ooi
IPC分类号： H04B10/12 , H04B10/08 , H04J14/02
CPC分类号： H04J14/0221 , H04B10/296 , H04B2210/003 , H04B2210/256 , H04J14/0201 , H04J14/0212
摘要： An optical transmission apparatus includes an optical add drop multiplexer (OADM) that adds/drops an optical signal to/from a transmission path. The optical transmission apparatus further includes a pump light multiplexer and a dispersion compensation fiber that are located downstream of the OADM on the transmission path. The optical transmission apparatus is configured to house a pump light source connectable to the pump light multiplexer to Raman amplify an optical signal in the dispersion compensation fiber.
摘要翻译：一种光传输装置包括一个光传输分路复用器（OADM），用于将光信号与传输路径相加/放出。光传输装置还包括位于传输路径上的OADM下游的泵浦光多路复用器和色散补偿光纤。光传输装置被配置为容纳可连接到泵浦光多路复用器的泵浦光源，以拉曼扩散色散补偿光纤中的光信号。

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