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1. 发明申请

US20040213585A1 Clock recovery for strongly distorted eyes 有权
标题翻译：时钟恢复强烈扭曲的眼睛
公开(公告)号：US20040213585A1
公开(公告)日：2004-10-28
申请号：US10816939
申请日：2004-04-05
申请人： ALCATEL
发明人： Fred Buchali
IPC分类号： H04B010/06
CPC分类号： H04B10/66 , H04L7/027
摘要： A receiver device for optical data signals, in particular optical data signals in the Gb/s range, comprising an opto-electrical conversion unit, a frequency multiplicator unit (24) for frequency-multiplying the converted electrical data signal, and a clock recovery unit is characterized in that the frequency multiplicator unit (24) performs a frequency multiplication by a factor of n, with n being a natural number larger than 2. The receiver device has an improved tolerance on dispersion as far as generating a clock line is concerned.
摘要翻译：用于光学数据信号的接收机设备，特别是Gb / s范围内的光学数据信号，包括光电转换单元，用于对转换后的电气数据信号进行倍频的倍频器单元（24）和时钟恢复单元其特征在于，倍频器单元（24）以n为倍数进行乘法运算，其中n为大于2的自然数。对于生成时钟线，接收机装置具有改进的色散容限。

2. 发明申请

US20030185578A1 Receiving device for disturbed optical signals with generation of a feedback signal by correlation, and method of generating such a feedback signal 审中-公开
标题翻译：通过相关产生反馈信号的干扰光信号的接收装置，以及产生这种反馈信号的方法
公开(公告)号：US20030185578A1
公开(公告)日：2003-10-02
申请号：US10397415
申请日：2003-03-27
申请人： ALCATEL
发明人： Fred Buchali
IPC分类号： H04B010/06
CPC分类号： H04B10/2572 , H04B10/66 , H04B10/67
摘要： A receiving device for an optical signal that is impaired by disturbances, wherein the receiving device has an adaptive filter device that serves to compensate at least partly for disturbances in the optical signal and that is controlled by a feedback signal is characterized in that the feedback signal is generated by correlating the optical signal with a further signal that is formed with respect to the optical signal in such a way that, in the absence of disturbances in the optical signal, at most a slight correlation is present.
摘要翻译：一种用于受到干扰的光信号的接收装置，其中接收装置具有用于至少部分地补偿光信号中的干扰并由反馈信号控制的自适应滤波器装置，其特征在于反馈信号通过将光信号与相对于光信号形成的另一信号相关联而产生，使得在没有光信号中的干扰的情况下，存在至多微小的相关性。

3. 发明申请

US20020060820A1 Receiver with feedback filter, and eye monitor for the feedback filter 审中-公开
标题翻译：带反馈滤波器的接收器，反馈滤波器的眼睛监护器
公开(公告)号：US20020060820A1
公开(公告)日：2002-05-23
申请号：US09977297
申请日：2001-10-16
申请人： ALCATEL
发明人： Fred Buchali
IPC分类号： G02F001/00
CPC分类号： H04B10/07953 , H04B10/0799
摘要： An optical receiver with an electronic filter is described, the parameters of the filter being set by means of high-speed eye monitors. Also described is a high-speed eye monitor with threshold-value decision elements which are set close to the vertices of the eye of an eye diagram, the eye monitor being optimized through connection of a pseudo-error generator and comparison with setpoint values and outputting the eye opening and the Q-factor.
摘要翻译：描述了具有电子滤波器的光学接收器，通过高速眼睛监视器设置滤波器的参数。还描述了一种具有阈值判定元件的高速眼睛监护器，其被设置为接近于眼图眼睛的顶点，通过连接伪误差发生器并与设定点值进行比较来优化眼睛监测器，并输出眼睛开放和Q因子。

4. 发明申请

US20040105683A1 Polarization mode dispersion controller device and method for its operation 有权
标题翻译：极化模式色散控制器及其操作方法
公开(公告)号：US20040105683A1
公开(公告)日：2004-06-03
申请号：US10715557
申请日：2003-11-19
申请人： ALCATEL
发明人： Henning Bulow , Fred Buchali
IPC分类号： H04B010/12
CPC分类号： H04B10/2569
摘要： A polarization mode dispersion (PMD) controller device for controlling the state of polarization of an optical light wave comprising a dispersion compensation unit (2; 25; 40) and an adaptation control unit (6; 28; 44), wherein the dispersion compensation unit (2; 25; 40) comprises a multitude of compensation stages processing the optical light wave, and wherein the adaptation control unit (6; 28; 44) controls the dispersion compensation unit (2; 25; 40) is characterized in that at least one feed-forward signal tap (4; 26a-26c, 73a-73c) is provided tapping the optical light wave inserted into one of the compensation stages, that the feed-forward signal(s) is(are) fed into a distortion analyzer unit (5; 27; 66) and that the distortion analyzer unit (5; 27; 66) provides the adaptation control unit (6; 28; 44) with information about the incoming optical light wave. It accelerates the adaptation speed and lowers the costs of a high-speed PMD controller device.
摘要翻译：一种用于控制包括色散补偿单元（2; 25; 40）和自适应控制单元（6; 28; 44）的光波的偏振状态的偏振模色散（PMD）控制器装置，其中色散补偿单元（2; 25; 40）包括处理所述光波的多个补偿级，并且其中所述自适应控制单元（6; 28; 44）控制所述色散补偿单元（2; 25; 40）的特征在于至少提供一个前馈信号抽头（4; 26a-26c，73a-73c），其中分别插入到一个补偿级中的光波，将前馈信号馈送到失真分析器单元（5; 27; 66），并且失真分析器单元（5; 27; 66）向自适应控制单元（6; 28; 44）提供有关入射光波的信息。它加快了适应速度，降低了高速PMD控制器设备的成本。

5. 发明申请

US20040081235A1 Electrical signal equaliser with a transversal filter, an optical receiver, and a method for equalising an electrical signal 审中-公开
标题翻译：具有横向滤波器的电信号均衡器，光接收器和用于均衡电信号的方法
公开(公告)号：US20040081235A1
公开(公告)日：2004-04-29
申请号：US10687615
申请日：2003-10-20
申请人： ALCATEL
发明人： Fred Buchali
IPC分类号： H03H007/30 , H03K005/159
CPC分类号： H03H17/06 , H04L25/03044 , H04L2025/03477 , H04L2025/03509
摘要： The invention relates to an electrical signal equaliser (SE) comprising a first transversal filter part (F1) with a chain of delay elements (D12-D14), individually adjustable signal weighting devices and a signal adding device (SU1), wherein the inputs of the weighting devices are each connected to one of said delay elements and the outputs are each connected to said adding device, wherein a signal splitting device (SP) is comprised connecting the first output to said first transversal filter part (F1) and connecting the other output to a second transversal filter part (F2), that a signal combining device (AD) is comprised connected to the outputs of the adding devices (SU1, SU2) of the two filter parts (F1, F2) and that signal inverting means are comprised for inverting the polarity of the output signals of one of said filter parts, an optical receiver and a method therefor.
摘要翻译：本发明涉及一种电信号均衡器（SE），其包括具有延迟元件链（D12-D14）的第一横向滤波器部分（F1），单独可调节信号加权装置和信号添加装置（SU1），其中输入所述加权装置各自连接到所述延迟元件之一，并且所述输出各自连接到所述添加装置，其中，信号分离装置（SP）包括将所述第一输出连接到所述第一横向滤波器部分（F1）并将另一个输出到第二横向滤波器部分（F2），信号组合装置（AD）包括连接到两个滤波器部分（F1，F2）的相加装置（SU1，SU2）的输出，并且信号反相装置包括用于反转所述滤波器部件之一的输出信号的极性，光接收器及其方法。

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