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81. 发明公开

EP2086132A1 Optical amplification apparatus, optical communication apparatus, and optical communication method 有权
标题翻译： OptischeVerstärkungsvorrichtung，optische Kommunikationsvorrichtung und optisches Kommunikationsverfahren
公开(公告)号：EP2086132A1
公开(公告)日：2009-08-05
申请号：EP08165364.4
申请日：2008-09-29
申请人： Fujitsu Limited
发明人： Onaka, Miki , Sugaya, Yasushi , Fukushi, Togo , Kondoh, Masanori , Noheji, Kiyotoshi , Hayasaka, Takashi
IPC分类号： H04B10/17 , H04B10/08
CPC分类号： H04B10/2931 , H04B10/07953
摘要： A Raman amplifier (111) inputs pump light into an optical fiber (transmission path (101)) through which an optical signal passes, to amplify the optical signal. An optical receiving unit (114) is provided downstream of the Raman amplifier (111) and monitors the power of the optical signal amplified by the Raman amplifier (111). A calculating unit (116) determines Raman amplification gain based on the power of the optical signal monitored by the optical receiving unit (114), and calculates the power of a noise component included in the optical signal based on the gain. The calculating unit (116), 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. The power of the noise component is substracted from the power of the received optical signal in order to calculate the power of the signal component. Power control of the amplifier is carried out based on the power calculated for the signal component.
摘要翻译：拉曼放大器（111）将泵浦光输入到光信号通过的光纤（传输路径（101））中，以放大光信号。光接收单元（114）设置在拉曼放大器（111）的下游，并监视由拉曼放大器（111）放大的光信号的功率。计算单元（116）基于由光接收单元（114）监视的光信号的功率来确定拉曼放大增益，并且基于增益来计算包括在光信号中的噪声分量的功率。计算单元（116）实时地计算根据条件以复杂的方式变化的功率，并以与毫秒数量级的频率相关的功率输出到另一设备。噪声分量的功率从接收的光信号的功率减去，以便计算信号分量的功率。基于对信号分量计算出的功率来执行放大器的功率控制。

82. 发明公开

EP2051415A1 A remotely pumping type multi-wavelength light transmission system 失效
标题翻译： Ein ferngepumptesMehrwellenlängenlichtÜbertragungssystem
公开(公告)号：EP2051415A1
公开(公告)日：2009-04-22
申请号：EP09152355.5
申请日：1997-10-24
申请人： Fujitsu Limited
发明人： Sugaya, Yasushi , Chikama, Terumi
IPC分类号： H04B10/17
CPC分类号： H04B10/2942 , H04B10/077 , H04B10/07955 , H04B10/291 , H04B10/2912 , H04B10/2931 , H04B10/2935 , H04B10/296 , H04J14/0221
摘要： Multi-wavelength light is transmitted from a sending station to a receiving station. An erbium-doped optical fiber is installed on the transmission path that connects the sending station and the receiving station. Pump light is supplied from a light source installed in the receiving station to the erbium-doped optical fiber. In the receiving station, the multi-wavelength light is decomposed into the component wavelength signals. The light level of each component wavelength signal is detected, and the power of the light emitted by the light source is controlled so as to equalize those light levels.
摘要翻译：多波长光从发送站传送到接收站。掺铒光纤安装在连接发送站和接收站的传输路径上。泵浦光从安装在接收站中的光源供给到掺铒光纤。在接收站中，多波长光分解为分量波长信号。检测每个分量波长信号的光级，并且控制由光源发射的光的功率，以便使这些光水平相等。

83. 发明授权

EP1578047B1 Apparatus and method for amplifying an optical signal and optical transmission system 失效
标题翻译：装置和方法，用于放大光信号;以及光传输系统
公开(公告)号：EP1578047B1
公开(公告)日：2008-09-24
申请号：EP04025192.8
申请日：1997-04-30
申请人： FUJITSU LIMITED
发明人： Sugaya, Yasushi , Kinoshita, Susumu
IPC分类号： H04J14/02 , H04B10/17 , H04B10/18 , H01S3/06
CPC分类号： H01S3/06758 , H01S3/10015 , H01S3/1003 , H01S3/1301 , H01S2301/04 , H04B10/291 , H04B10/2912 , H04B10/2931 , H04B10/2942 , H04B10/296 , H04B2210/003 , H04J14/0221

84. 发明授权

EP0844750B1 Optical amplifier unit control methods, optical amplifier systems and systems which use the methods and amplifier systems 失效
标题翻译：光放大器单元的控制方法，光放大装置，和使用该方法和放大系统的系统
公开(公告)号：EP0844750B1
公开(公告)日：2008-01-02
申请号：EP97120559.6
申请日：1997-11-24
申请人： Hitachi, Ltd.
发明人： Kosaka, Junya , Sakano, Shinji
IPC分类号： H04B10/17
CPC分类号： H04B10/2912 , H01S3/10015 , H01S3/1301 , H04B10/291 , H04B10/2931

85. 发明授权

EP0902566B1 Method for changing a number of channels in an optical communication network 失效
标题翻译：一种用于改变在光通信网络的信道数目的方法
公开(公告)号：EP0902566B1
公开(公告)日：2007-01-03
申请号：EP98123443.8
申请日：1997-04-30
申请人： FUJITSU LIMITED
发明人： Sugaya, Yasushi, Fujitsu Limited , Kinoshita, Susumu, Fujitsu Limited
IPC分类号： H04J14/02 , H04B10/17 , H04B10/18 , H01S3/06
CPC分类号： H01S3/06758 , H01S3/10015 , H01S3/1003 , H01S3/1301 , H01S2301/04 , H04B10/291 , H04B10/2912 , H04B10/2931 , H04B10/2942 , H04B10/296 , H04B2210/003 , H04J14/0221

86. 发明公开

EP1679809A3 A remotely pumping type multi-wavelength light transmission system 失效
标题翻译：甲远程泵浦多波长光传输系统
公开(公告)号：EP1679809A3
公开(公告)日：2006-09-06
申请号：EP06007193.3
申请日：1997-10-24
申请人： FUJITSU LIMITED
发明人： Sugaya, Yasushi , Chikama, Terumi
IPC分类号： H04B10/17 , H04B10/08
CPC分类号： H04B10/2942 , H04B10/077 , H04B10/07955 , H04B10/291 , H04B10/2912 , H04B10/2931 , H04B10/2935 , H04B10/296 , H04J14/0221
摘要： Multi-wavelength light is transmitted from a sending station to a receiving station. An erbium-doped optical fiber is installed on the transmission path that connects the sending station and the receiving station. Pump light is supplied from a light source installed in the receiving station to the erbium-doped optical fiber. In the receiving station, the multi-wavelength light is decomposed into the component wavelength signals. The light level of each component wavelength signal is detected, and the power of the light emitted by the light source is controlled so as to equalize those light levels.

87. 发明公开

EP1695467A1 VERFAHREN ZUR REGELUNG DER PUMPLEISTUNG EINES OPTISCHEN VERSTÄRKERS 有权转让
标题翻译：方法用于调节光放大器的泵浦功率
公开(公告)号：EP1695467A1
公开(公告)日：2006-08-30
申请号：EP04804860.7
申请日：2004-12-15
申请人： SIEMENS AKTIENGESELLSCHAFT
发明人： RAPP, Lutz
IPC分类号： H04B10/17 , H01S3/131
CPC分类号： H04B10/2931 , H01S3/06754 , H01S3/10007 , H04B10/296
摘要： The invention relates to a method for regulating a pump power of an optical amplifier, according to which a multiplexed broadband optical signal comprising several channels is amplified at a certain gain value while a change in power is detected at the input or output of the amplifier. A new pump power is calculated and adjusted based on a previously provided stable gain state of the optical amplifier after detecting the change in power such that deviations of the gain value remain minimal as planned temporary interference transients during a specific interval. The new pump power is thus calculated very accurately and quickly according to a model that takes into account the actual gain value, the wavelength dependence of active channels, aging effects, and non-linear amplification effects.

88. 发明公开

EP1210782A4 OPTICAL POWER MANAGEMENT IN AN OPTICAL NETWORK 审中-公开
标题翻译：在光网络管理的光学性能
公开(公告)号：EP1210782A4
公开(公告)日：2006-04-19
申请号：EP00968331
申请日：2000-09-01
申请人： ONI SYSTEMS CORP
发明人： BEINE TODD , MITALAS PAUL , PHEIFFER BRIAN , ZACCARIN DENIS , DURLING MICHAEL E , CHIN HON WAH
IPC分类号： H04B10/20 , H04B10/08 , H04B10/17 , H04J14/02 , H04L12/437
CPC分类号： H04B10/2931 , H04B10/077 , H04B10/07955 , H04B10/27 , H04J14/0201 , H04J14/0206 , H04J14/0209 , H04J14/0212 , H04J14/0213 , H04J14/0221 , H04J14/0227 , H04J14/0241 , H04J14/0245 , H04J14/0249 , H04J14/0257 , H04J14/0268 , H04J14/0269 , H04J14/0275 , H04J14/0283 , H04J14/0289 , H04J14/0291 , H04J14/0293 , H04J14/0295 , H04J14/0297
摘要： A system for managing signal power levels in an optical network. The optical network comprises a plurality of nodes having logic to receive and transmit optical signals over a plurality of network interconnections. The system includes a method wherein each of the nodes is provided configuration parameters, each of the nodes is configured based on the configuration parameters, power parameter information is exchanged between the nodes, at least some of the nodes are re-configured based on the power parameter information and the steps of exchanging power parameter information and re-configuring at least some of the nodes are repeated until the optical network is fully configured so that the optical signals have selected signal power levels.

89. 发明授权

EP0865173B1 A remotely pumping type multi-wavelength light transmission system 失效
标题翻译：远程泵浦光传输系统，具有多波长
公开(公告)号：EP0865173B1
公开(公告)日：2006-04-19
申请号：EP97118531.9
申请日：1997-10-24
申请人： FUJITSU LIMITED
发明人： Sugaya, Yasushi , Chikama, Terumi
IPC分类号： H04B10/17
CPC分类号： H04B10/2942 , H04B10/077 , H04B10/07955 , H04B10/291 , H04B10/2912 , H04B10/2931 , H04B10/2935 , H04B10/296 , H04J14/0221

90. 发明授权

EP1017192B1 Automatic protection system for an optical transmission system 有权
标题翻译：用于光传输系统的自动保护系统
公开(公告)号：EP1017192B1
公开(公告)日：2006-02-22
申请号：EP99204428.9
申请日：1999-12-20
申请人： Cisco Systems International B.V.
发明人： Casanova, Mauro Rudi , Centenari, Pietro , Nava, Adriano
IPC分类号： H04B10/08 , H04B10/17
CPC分类号： H04B10/2931 , H04B10/077 , H04B10/07955

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