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1.发明授权公开(公告)号：US09142937B2
公开(公告)日：2015-09-22
申请号：US14640534
申请日：2015-03-06
发明人： Eberhard Löcklin , Georg Rudolph , Jörg Stooss
IPC分类号： H01S5/068 , G01J3/28 , H01S5/00 , H01S5/125 , H01S5/32 , G01K7/01 , G01J3/10 , H01S5/0683 , H01S5/0687
CPC分类号： H01S5/06808 , G01J3/10 , G01J3/28 , G01J2003/2866 , G01K7/01 , H01S5/0014 , H01S5/06804 , H01S5/0683 , H01S5/0687 , H01S5/125 , H01S5/32
摘要： A lasing wavelength of a laser diode is determined by applying a forward current to the p-n junction of the laser diode and measuring a voltage across the p-n junction. The lasing wavelength can be determined by performing a simple wavelength calibration of the laser diode. This allows one to stabilize the lasing wavelength, and also to use the laser diode as a reference wavelength source.
摘要翻译： 通过向激光二极管的p-n结施加正向电流并测量p-n结上的电压来确定激光二极管的激光波长。 激光波长可以通过执行激光二极管的简单波长校准来确定。 这样可以使激光波长稳定，也可以使用激光二极管作为参考波长源。
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公开(公告)号：US09106353B2
公开(公告)日：2015-08-11
申请号：US13714174
申请日：2012-12-13
发明人： Canning Hsueh , Michael Stevens , Bob Samway
CPC分类号： H04J3/0667 , H04J3/0635 , H04J3/0682 , H04L7/0012 , H04L12/4633 , H04L63/04 , H04L63/0428
摘要： The invention relates to time synchronization between network testing elements in distributed network monitoring and testing systems, and provides a condensed PTP process wherein the number of timing messages exchanged between master and slave in one iteration of the time synchronization process is reduced. Furthermore, timing messages are encrypted to provide for a more secure synchronization process. One aspect of the method provides for an automatic detection and adaptive handling of protocol stacks of received timing packets.
摘要翻译： 本发明涉及分布式网络监控和测试系统中的网络测试元件之间的时间同步，并且提供了一种精简的PTP过程，其中在时间同步过程的一次迭代中在主从设备之间交换的定时消息的数量减少。 此外，定时消息被加密以提供更安全的同步过程。 该方法的一个方面提供了对接收的定时分组的协议栈的自动检测和自适应处理。
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3.发明授权High-brightness spatial-multiplexed multi-emitter pump with tilted collimated beam 有权具有倾斜准直光束的高亮度空间复用多发射器泵公开(公告)号：US09065237B2
公开(公告)日：2015-06-23
申请号：US13313490
申请日：2011-12-07
申请人： James Yonghong Guo , Jay A. Skidmore , Lei Xu , Jane Cheng
发明人： James Yonghong Guo , Jay A. Skidmore , Lei Xu , Jane Cheng
CPC分类号： H01S5/02252 , H01S5/005 , H01S5/4012 , H01S5/4043
摘要： Multi-mode diode emitters are stacked in a staircase formation to provide a spatially-multiplexed output. Improved coupling efficiency is achieved by providing tilted collimated output beams that determine an effective step height of the stepped structure. Since the effective step height is dependent on the tilt angle, a variable number of emitters can be used inside packages having a same physical step height, while still attaining high coupling efficiency.
摘要翻译： 多模二极管发射器堆叠在阶梯形式中以提供空间复用输出。 通过提供确定阶梯式结构的有效步长的倾斜的准直输出光束来实现改进的耦合效率。 由于有效步高取决于倾斜角度，所以在具有相同物理台阶高度的包装内可以使用可变数量的发射器，同时仍然获得高耦合效率。
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4.发明授权公开(公告)号：US08995048B2
公开(公告)日：2015-03-31
申请号：US13113059
申请日：2011-05-22
申请人： Maxim Bolshtyansky , Gregory Cowle
发明人： Maxim Bolshtyansky , Gregory Cowle
CPC分类号： H01S3/1301 , H01S3/06754 , H01S3/10015 , H01S3/2375 , H01S3/302 , H01S2301/04 , H04B10/296
摘要： A change in loading conditions of fiber amplifiers in an optical communications network causes rapid variations in the gain profile of the amplifiers due to spectral hole burning and stimulated Raman scattering. An apparatus for reducing such gain profile variations is described which monitors optical signal perturbations and reacts by adjusting pump powers of the amplifiers and, or fast variable optical attenuator according to a pre-determined function stored in the form of constants in controller's memory. The optical signal is monitored as total power, and the power of light after passing through one or more optical filters. The light detection is relatively fast, whereby the gain profile variations are compensated by fast controlled variable optical attenuator and pump power adjustment upon the change in loading conditions.
摘要翻译： 光通信网络中的光纤放大器的负载条件的变化由于光谱空穴燃烧和受激拉曼散射而导致放大器的增益曲线的快速变化。 描述了一种用于减小这种增益分布变化的装置，其监视光信号扰动并通过根据在控制器存储器中的常数形式存储的预定函数来调整放大器的泵浦功率和快速可变光衰减器来进行反应。 光信号作为总功率被监测，并且通过一个或多个滤光器后的光功率。 光检测相对较快，从而通过快速控制的可变光衰减器和负载条件变化时的泵浦功率调整来补偿增益曲线变化。
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公开(公告)号：US08988669B2
公开(公告)日：2015-03-24
申请号：US13868819
申请日：2013-04-23
发明人： Kai-Hsiu Liao
CPC分类号： G01J1/4257 , G01J1/0214 , G01J1/0271 , G01J1/0295 , G01J1/0407 , G01J1/0425 , G01J1/1626 , G02B6/4286 , G02B6/4291
摘要： An optical power monitoring device includes a photodetector disposed in close proximity to the cladding of an optical fiber for measuring Rayleigh scattered light from the core of the optical fiber. To ensure only Rayleigh scattered light is measured, a cladding stripper is provided to remove any cladding light prior taking a reading with the photodetector.
摘要翻译： 光功率监测装置包括光电检测器，其设置在光纤包层附近，用于测量来自光纤芯的瑞利散射光。 为了确保仅测量瑞利散射光，提供包层剥离器以在用光电检测器进行读取之前去除任何包层光。
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公开(公告)号：US08908264B2
公开(公告)日：2014-12-09
申请号：US13220369
申请日：2011-08-29
申请人： Roman Länge
发明人： Roman Länge
IPC分类号： H04B10/296
CPC分类号： H04B10/296
摘要： A controller for reducing a transient variation of gain of an optical amplifier is disclosed. The controller includes a control circuit adapted to generate an electrical signal mimicking optical gain transient variation upon an abrupt change in input loading conditions. The electrical signal is applied to a variable optical attenuator disposed downstream of the active optical fiber of the optical amplifier. The control circuit can be realized in a variety of ways, but preferably it includes a logarithmic amplifier and a high-pass filter sequentially connected. The logarithmic amplifier is connected to an input tap/photodetector, and the high-pass filter is connected to the variable optical attenuator.
摘要翻译： 公开了一种用于减小光放大器的增益的瞬时变化的控制器。 控制器包括控制电路，其适于在输入负载条件的突然变化时产生模拟光增益瞬态变化的电信号。 电信号被施加到设置在光放大器的有源光纤下游的可变光衰减器。 控制电路可以以各种方式实现，但优选地包括依次连接的对数放大器和高通滤波器。 对数放大器连接到输入抽头/光电检测器，高通滤波器连接到可变光衰减器。
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公开(公告)号：US20140344874A1
公开(公告)日：2014-11-20
申请号：US14280407
申请日：2014-05-16
发明人： Eric OLSEN
IPC分类号： H04N17/00
CPC分类号： H04N17/004 , H04N7/10
摘要： The invention relates to a method of determining maintenance priority for different portions of a CATV network. By calculating a health score for each node of the network based on a plurality of measurements performed downstream from the nodes, the nodes and the downstream segments of the network may be ranked according to their health score values, and the maintenance of the network segments may be prioritized based on the health ranking of the corresponding nodes. The health score for a node may be computed based on a plurality of tilt- and modulation-normalized frequency scans of the network signal.
摘要翻译： 本发明涉及一种确定CATV网络的不同部分的维护优先级的方法。 通过基于从节点下游执行的多个测量来计算网络的每个节点的健康得分，网络的节点和下游段可以根据其健康得分值进行排名，并且网段的维护可以 根据相应节点的健康排名优先考虑。 可以基于网络信号的多个倾斜和调制归一化频率扫描来计算节点的健康得分。
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公开(公告)号：US20140339428A1
公开(公告)日：2014-11-20
申请号：US14280468
申请日：2014-05-16
CPC分类号： G06F19/3462 , A61J7/0076 , A61J7/04 , G01J3/2803 , G04C21/16 , G06F19/00
摘要： A medication assurance system for verification of both the medication and the patient is disclosed. A portable spectrometer is used to obtain a light spectrum of the medication. A subject identification or biometric device is used to identify the patient. A controller coupled to the portable spectrometer and the subject identification device identifies the medication by performing a chemometric analysis of the light spectrum. Based on the medication identified and the patient identified, the controller can determine if the medication is to be taken by the patient.
摘要翻译： 公开了用于验证药物和患者的药物保证系统。 便携式光谱仪用于获得药物的光谱。 使用主体识别或生物识别装置来识别患者。 耦合到便携式光谱仪和对象识别装置的控制器通过执行光谱的化学计量分析来识别药物。 基于确定的药物和鉴定的患者，控制器可以确定药物是否由患者服用。
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9.发明授权Dual polarization optical modulator using dual broadband multi-electrode weighted direct analog phase modulators 有权双偏振光学调制器采用双宽带多电极加权直接模拟相位调制器公开(公告)号：US08873896B1
公开(公告)日：2014-10-28
申请号：US13901433
申请日：2013-05-23
发明人： Karl Kissa
CPC分类号： G02F1/0316 , G02F1/0327 , G02F1/225 , G02F2201/122 , H04B10/50
摘要： An electro-optical phase modulator, dual polarization modulator applying that modulator and a phase modulation method are disclosed. A waveguide in an electro-optical substrate has at least two electrodes for modulating the waveguide. Each electrode receives a sequential bit of a precoded digital input and forms a shifting line from a first input end through interaction lengths near the waveguide causing modulation, shifted lengths distal from the waveguide for avoiding modulating the waveguide and transitions between these lengths by shifting the electrode away from or towards the waveguide. At least one electrode has a shorter interaction length closer to the input than a longer interaction length of the same electrode. Each electrode's modulation strength is proportional to its total interaction length, which doubles for each electrode, producing well matched S21 electro-optical responses from 10 kHz to 50 GHz, when shifted to account for the doubling.
摘要翻译： 公开了一种电光相位调制器，应用该调制器的双偏振调制器和相位调制方法。 电光基板中的波导具有用于调制波导的至少两个电极。 每个电极接收预编码数字输入的顺序位，并且通过波导附近的相互作用长度从第一输入端形成移位线，导致调制，远离波导的偏移长度，以避免通过移动电极来调制波导和这些长度之间的转换 远离或朝向波导。 至少一个电极具有比相同电极的较长相互作用长度更靠近输入的较短的相互作用长度。 每个电极的调制强度与其总相互作用长度成比例，每个电极加倍，产生了从10 kHz到50 GHz的良好匹配的S21电光响应，当转换到两倍时。
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公开(公告)号：US08849071B2
公开(公告)日：2014-09-30
申请号：US12981307
申请日：2010-12-29
申请人： Karl Kissa , Gregory J. McBrien
发明人： Karl Kissa , Gregory J. McBrien
IPC分类号： G02F1/035
CPC分类号： G02F1/225 , G02F2203/19
摘要： The invention relates to waveguide optical modulators wherein two or more waveguides are modulated with specific modulation strengths using a single straight signal electrode or a single multi-segment signal electrode. Modulation strengths for each of a plurality of waveguides modulated by a single multi-segment electrode are matched over a wide modulation frequency range. Linearized output characteristics with respect to second and third order distortions arc achieved in one aspect of the invention.
摘要翻译： 本发明涉及使用单个直线信号电极或单个多段信号电极以特定调制强度调制两个或多个波导的波导光学调制器。 由单个多段电极调制的多个波导中的每一个的调制强度在宽调制频率范围内匹配。 在本发明的一个方面，实现了相对于二阶和三阶失真的线性输出特性。
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