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公开(公告)号：US20090324229A1
公开(公告)日：2009-12-31
申请号：US12465956
申请日：2009-05-14
申请人： Tetsuya UDA , Kenta NODA , Yasuhiro UCHIYAMA , Hiroshi MASUDA , Hiroyuki NAKANO
发明人： Tetsuya UDA , Kenta NODA , Yasuhiro UCHIYAMA , Hiroshi MASUDA , Hiroyuki NAKANO
IPC分类号： H04J14/02
CPC分类号： H04B10/00
摘要： An optical transmission apparatus comprising a first detector for detecting the power of the supervisory signal light separated from received wavelength-division multiplexed signal lights; a second detector for detecting the power of the wavelength-division multiplexed signal lights after the separation of the supervisory signal light; a gain-controlled type optical amplifier for amplifying the wavelength-division multiplexed signal lights; an optical attenuator coupled to the amplifier; and a control unit for controlling the optical amplifier and the optical attenuator so as to keep the output level of the wavelength-division multiplexed signal lights to a predetermined target value, wherein the control unit restrains automatic output level control by the optical attenuator when the supervisory signal light power fluctuates within its permissible range and fluctuations in the signal light power have deviated from its permissible range.
摘要翻译： 一种光传输装置，包括：第一检测器，用于检测从接收的波分复用信号光分离的监控信号光的功率; 第二检测器，用于在分离监控信号光之后检测波分复用信号光的功率; 用于放大波分复用信号光的增益控制型光放大器; 耦合到所述放大器的光衰减器; 以及控制单元，用于控制光放大器和光衰减器，以便将波分复用信号光的输出电平保持在预定目标值，其中当监视器控制单元抑制光衰减器的自动输出电平控制 信号光功率在允许范围内波动，信号光功率的波动偏离其允许范围。
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公开(公告)号：US20090087185A1
公开(公告)日：2009-04-02
申请号：US12323038
申请日：2008-11-25
申请人： Tetsuya UDA , Kenta NODA , Yasuhiro UCHIYAMA , Hiroshi MASUDA , Hiroyuki NAKANO
发明人： Tetsuya UDA , Kenta NODA , Yasuhiro UCHIYAMA , Hiroshi MASUDA , Hiroyuki NAKANO
IPC分类号： H04J14/02
CPC分类号： H04B10/00
摘要： An optical transmission apparatus comprising a first detector for detecting the power of the supervisory signal light separated from received wavelength-division multiplexed signal lights; a second detector for detecting the power of the wavelength-division multiplexed signal lights after the separation of the supervisory signal light; a gain-controlled type optical amplifier for amplifying the wavelength-division multiplexed signal lights; an optical attenuator coupled to the amplifier; and a control unit for controlling the optical amplifier and the optical attenuator so as to keep the output level of the wavelength-division multiplexed signal lights to a predetermined target value, wherein the control unit restrains automatic output level control by the optical attenuator when the supervisory signal light power fluctuates within its permissible range and fluctuations in the signal light power have deviated from its permissible range.
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公开(公告)号：US20050213968A1
公开(公告)日：2005-09-29
申请号：US11019736
申请日：2004-12-23
申请人： Tetsuya UDA , Kenta Noda , Yasuhiro Uchiyama , Hiroshi Masuda , Hiroyuki Nakano
发明人： Tetsuya UDA , Kenta Noda , Yasuhiro Uchiyama , Hiroshi Masuda , Hiroyuki Nakano
IPC分类号： H04B10/07 , H04B10/03 , H04B10/077 , H04B10/079 , H04B10/29 , H04B10/294 , H04J14/00 , H04J14/02 , H04B10/08
CPC分类号： H04B10/00
摘要： An optical transmission apparatus comprising a first detector for detecting the power of the supervisory signal light separated from received wavelength-division multiplexed signal lights; a second detector for detecting the power of the wavelength-division multiplexed signal lights after the separation of the supervisory signal light; a gain-controlled type optical amplifier for amplifying the wavelength-division multiplexed signal lights; an optical attenuator coupled to the amplifier; and a control unit for controlling the optical amplifier and the optical attenuator so as to keep the output level of the wavelength-division multiplexed signal lights to a predetermined target value, wherein the control unit restrains automatic output level control by the optical attenuator when the supervisory signal light power fluctuates within its permissible range and fluctuations in the signal light power have deviated from its permissible range.
摘要翻译： 一种光传输装置，包括：第一检测器，用于检测从接收的波分复用信号光分离的监控信号光的功率; 第二检测器，用于在分离监控信号光之后检测波分复用信号光的功率; 用于放大波分复用信号光的增益控制型光放大器; 耦合到所述放大器的光衰减器; 以及控制单元，用于控制光放大器和光衰减器，以便将波分复用信号光的输出电平保持在预定目标值，其中当监视器控制单元抑制光衰减器的自动输出电平控制 信号光功率在允许范围内波动，信号光功率的波动偏离其允许范围。
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公开(公告)号：US20090317078A1
公开(公告)日：2009-12-24
申请号：US12487816
申请日：2009-06-19
申请人： Tetsuya UDA , Hiroyuki NAKANO , Yasuyuki FUKASHIRO
发明人： Tetsuya UDA , Hiroyuki NAKANO , Yasuyuki FUKASHIRO
CPC分类号： H04B10/0775 , H04B10/25133 , H04B10/67 , H04B2210/252 , H04J14/0213 , H04J14/0221 , H04J14/0283 , H04J14/0284 , H04J14/0286 , H04J14/06
摘要： The signal quality of ultra high-speed signals such as 40 Gbit/s and 100 Gbit/s are significantly degraded due to wavelength dispersion and nonlinear effects in an optical fiber. Thus, there is provided a transponder unit in which a light source is polarization multiplexed in a direction mutually orthogonal to a signal direction, in order to reduce the nonlinear effects in the optical fiber and improve the signal quality. At the same time, it is possible to monitor an amount of the wavelength dispersion in the optical fiber, allowing for more precise dispersion compensation design.
摘要翻译： 由于光纤中的波长色散和非线性效应，40Gbit / s和100Gbit / s等超高速信号的信号质量显着降低。 因此，提供了一种应答器单元，其中光源在与信号方向相互正交的方向上被偏振复用，以便减少光纤中的非线性效应并提高信号质量。 同时，可以监视光纤中的波长色散的量，从而允许更精确的色散补偿设计。
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公开(公告)号：US20120099871A1
公开(公告)日：2012-04-26
申请号：US13243982
申请日：2011-09-23
CPC分类号： H04B10/40 , H04B10/516
摘要： There arises a problem that power consumption increases along with an increasing throughout of an FEC function effective in speeding up of a transmission speed. FEC function information necessary for a system is prepared, and multiple FEC functions are properly used according to a selected transmission line, etc.
摘要翻译： 出现功率消耗随着整个FEC功能的增加而有效增加传输速度的问题。 准备系统所需的FEC功能信息，根据选定的传输线等适当使用多个FEC功能。
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公开(公告)号：US20120224168A1
公开(公告)日：2012-09-06
申请号：US13363883
申请日：2012-02-01
申请人： Riu HIRAI , Nobuhiko KIKUCHI , Tetsuya UDA , Shinya SASAKI
发明人： Riu HIRAI , Nobuhiko KIKUCHI , Tetsuya UDA , Shinya SASAKI
IPC分类号： G01J3/44
CPC分类号： H04B10/0791 , H04B10/071
摘要： Bending of an optical fiber where a heat may be generated by a high output power can be detected without using a dedicated light source. An optical communication module that outputs a continuous wave light generated by at least one light source to an optical fiber transmission line, includes: (1) a loss measurement unit that measures a loss of an amplified spontaneous emission generated by allowing the continuous wave light output from the light source to create stimulated Raman scattering in the optical fiber transmission line; (2) a fiber abnormality analyzer that detects the abnormal state of the optical fiber transmission line on the basis of loss information on the ASE measured by the loss measurement unit; and (3) a light source controller that controls a supply state of the continuous wave light from the light source on the basis of the detection of the fiber abnormality analyzer.
摘要翻译： 可以在不使用专用光源的情况下检测可以通过高输出功率产生热量的光纤的弯曲。 将由至少一个光源产生的连续波光输出到光纤传输线的光通信模块包括：（1）损耗测量单元，其测量通过允许连续波光输出产生的放大的自发发射的损耗 从光源到光纤传输线中产生受激拉曼散射; （2）光纤异常分析装置，根据由损失测量部测得的ASE的损失信息，检测光纤传输线的异常状态; 以及（3）光源控制器，其基于光纤异常分析仪的检测来控制来自光源的连续波光的供给状态。
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公开(公告)号：US20110176812A1
公开(公告)日：2011-07-21
申请号：US12987745
申请日：2011-01-10
IPC分类号： H04B10/00
摘要： Multiplexing-technology based large-capacity transmission requires the installation of many types of interface card. In addition, supporting a redundant configuration for preventing data communication from being interrupted requires the devices and cards more than double those required for the production system. An optical communication card includes multiple optical signal transmission/reception units, main signal processing units corresponding to the optical signal transmission/reception units and required for a multiplexed system, and a connection selection unit that can switch among multiple optical transmission lines, and each of the main signal processing units includes multiple function units and a function selection unit.
摘要翻译： 基于复用技术的大容量传输需要安装多种类型的接口卡。 此外，支持冗余配置以防止数据通信中断，这些设备和卡的数量要比生产系统要求的要高一倍以上。 光通信卡包括多个光信号发送/接收单元，对应于光信号发送/接收单元并且被复用的系统所需的主信号处理单元，以及可以在多个光传输线之间切换的连接选择单元， 主信号处理单元包括多个功能单元和功能选择单元。
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