公开(公告)号：US08169683B2

公开(公告)日：2012-05-01

申请号：US12568767

申请日：2009-09-29

Applicant: Junqiang Hu ,  Yutaka Yano ,  Ting Wang

Inventor： Junqiang Hu ,  Yutaka Yano ,  Ting Wang

IPC: G02F1/03

CPC classification number: H04B10/508 ,  H04B10/548 ,  Y10S359/90

Abstract: An apparatus includes an optical train pulse generator for generating continuous optical pulses each having a narrow width; a clock source having a high frequency for triggering the generator and operable as a sampling clock; a digital-to-analog converter DAC for converting an input signal from a digital signal processor, the DAC responsive to the sampling clock; a data modulator responsive to an amplified output from the DAC to modulate the continuous optical pulses from the train pulse generator; and a filter for removing higher frequency harmonics from the modulated continuous optical pulses out of the data modulator.

Abstract translation: 一种装置包括用于产生每个具有窄宽度的连续光脉冲的光列脉冲发生器; 具有用于触发发生器并可操作为采样时钟的高频的时钟源; 数模转换器DAC，用于转换来自数字信号处理器的输入信号，DAC响应采样时钟; 响应于来自DAC的放大输出的数据调制器来调制来自列车脉冲发生器的连续光脉冲; 以及用于从数据调制器中调制的连续光脉冲中去除更高频率谐波的滤波器。

公开(公告)号：US20120081780A1

公开(公告)日：2012-04-05

申请号：US13081707

申请日：2011-04-07

Applicant: Dayou Qian ,  Ting Wang

Inventor： Dayou Qian ,  Ting Wang

IPC: H01S3/067 ,  G02B6/00

CPC classification number: H04B10/2543

Abstract: Systems and methods are disclosed to process an optical signal using a pre-processor to populate a non-linearity compensation data structure based on a set of predetermined rules in a non-real-time off-line mode; and an amplifier applying said predetermined rules in real-time to one or more channel input data using the data structure to determine a non-linearity compensation output.

Abstract translation: 公开了系统和方法，以使用预处理器处理光信号，以基于非实时离线模式中的一组预定规则来填充非线性补偿数据结构; 以及使用所述数据结构将所述预定规则实时地应用于一个或多个信道输入数据以确定非线性补偿输出的放大器。

公开(公告)号：US08099000B2

公开(公告)日：2012-01-17

申请号：US12398510

申请日：2009-03-05

Applicant: Dayou Qian ,  Ting Wang

Inventor： Dayou Qian ,  Ting Wang

IPC: H04B10/06

CPC classification number: H04J14/06 ,  H04B10/676 ,  H04L27/06

Abstract: A differential delay detection system and method includes an optical splitter to split an incoming optical signal between a first path and a second path. The first path includes a cross-polarization interferometer configured to separately generate polarization independent outputs using split paths and to generate cross-polarization interference outputs, balanced photodetectors to aid in removing cross-polarization beating noise, and a polarization demultiplexer configured to combine the polarization independent outputs and the cross-polarization interference outputs from the cross-polarization interferometer with updated coefficients received from the second path to remove the cross-polarization mixed signals. The second path includes a training signal receiver configured to compute the updated coefficients and output the updated coefficients to the polarization demultiplexer.

Abstract translation: 差分延迟检测系统和方法包括：光分路器，用于在第一路径和第二路径之间分离输入光信号。 第一路径包括交叉偏振干涉仪，该交叉偏振干涉仪被配置为使用分离路径分开产生与偏振无关的输出并产生交叉极化干扰输出，平衡光电探测器以帮助去除交叉极化跳动噪声;以及偏振解复用器，其被配置为组合偏振独立 输出和来自交叉偏振干涉仪的交叉极化干扰输出，其具有从第二路径接收的更新系数以去除交叉极化混合信号。 第二路径包括被配置为计算更新的系数并将更新的系数输出到偏振解复用器的训练信号接收器。

公开(公告)号：US08090271B2

公开(公告)日：2012-01-03

申请号：US12236694

申请日：2008-09-24

Applicant: Dayou Qian ,  Ting Wang ,  Lei Xu ,  Philip Nan Ji

Inventor： Dayou Qian ,  Ting Wang ,  Lei Xu ,  Philip Nan Ji

IPC: H04B10/06

CPC classification number: H04J14/06

Abstract: A differential delay detection system and method includes an optical splitter to split an incoming optical signal between a first path and a second path. The first path includes a cross-polarization interferometer configured to separately generate polarization independent outputs using split paths and to generate cross-polarization interference outputs, and a polarization demultiplexer configured to combine the polarization independent outputs and the cross-polarization interference outputs from the cross-polarization interferometer with updated coefficients received from the second path to remove the cross-polarization mixed signals. The second path includes a training signal receiver configured to compute the updated coefficients and output the updated coefficients to the polarization demultiplexer.

Abstract translation: 差分延迟检测系统和方法包括：光分路器，用于在第一路径和第二路径之间分离输入光信号。 第一路径包括交叉偏振干涉仪，其被配置为使用分离路径分开产生偏振无关的输出并产生交叉极化干扰输出;以及偏振解复用器，被配置为组合来自交叉偏振干涉输出的偏振无关输出和交叉极化干扰输出， 偏振干涉仪具有从第二路径接收的更新的系数以去除交叉极化混合信号。 第二路径包括被配置为计算更新的系数并将更新的系数输出到偏振解复用器的训练信号接收器。

公开(公告)号：US08064774B2

公开(公告)日：2011-11-22

申请号：US12117347

申请日：2008-05-08

Applicant: Jianjun Yu ,  Dayou Qian ,  Lei Xu ,  Ting Wang

Inventor： Jianjun Yu ,  Dayou Qian ,  Lei Xu ,  Ting Wang

IPC: H04B10/00

CPC classification number: H04B10/25758

Abstract: A method includes generating an optical millimeter wave signal for modulation of a first data signal, and deriving from the generated optical millimeter wave signal a subsequent light source for modulation of a second data signal. More specifically the generating includes modulating a light wave to a multiple of a frequency of an oscillating signal. Alternatively, the generating includes modulating a data signal mixed with an oscillating signal to a multiple of a frequency of the oscillating signal. The deriving includes modulating a frequency component filtered from a data modulation of the generated optical millimeter wave signal.

Abstract translation: 一种方法包括产生用于调制第一数据信号的光学毫米波信号，以及从所生成的光学毫米波信号中导出用于调制第二数据信号的后续光源。 更具体地，生成包括将光波调制到振荡信号的频率的倍数。 或者，生成包括将与振荡信号混合的数据信号调制为振荡信号的频率的倍数。 导出包括调制从产生的光学毫米波信号的数据调制滤波的频率分量。

公开(公告)号：US08064768B2

公开(公告)日：2011-11-22

申请号：US12128748

申请日：2008-05-29

Applicant: Philip Nan Ji ,  Lei Xu ,  Ting Wang ,  Shuji Murakami ,  Tsutomu Tajima ,  Yutaka Yano

Inventor： Philip Nan Ji ,  Lei Xu ,  Ting Wang ,  Shuji Murakami ,  Tsutomu Tajima ,  Yutaka Yano

IPC: H04J14/02

CPC classification number: G02B6/29386 ,  G02B6/29335 ,  G02B6/2935 ,  G02B6/29358 ,  H04B10/25073 ,  H04J14/02

Abstract: An apparatus includes an interleaver configuration for at least one of combining or separating odd and even channel groups to achieve channel density doubling; and an optical equalizer for suppressing inter symbol interference within the channels to provide intra-channel equalizing in the optical path, the equalizer being integrated into the interleaver. Preferably, optical equalizer and interleaver are integrated together as a single monolithic device, the optical equalizer includes a passband that has a dip in the channel center to achieve a raised-cosine filtering profile in the optical signal path to achieve inter-symbol interference ISI suppression, and the equalizer includes integration into the optical path of the interleaver to realize a monolithic device combining or separating odd and even channel groups to achieve channel density doubling. Preferably, also, the optical equalizer includes a first equalizer with half the depth of required ripple dips at both a first output port and an input port and a second equalizer with half the depth of required ripple dips at a second output port.

Abstract translation: 一种装置包括用于组合或分离奇数和偶数信道组中的至少一个的交织器配置，以实现信道密度倍增; 以及光学均衡器，用于抑制信道内的符号间干扰，以在光路中提供信道间均衡，均衡器被集成到交织器中。 优选地，光学均衡器和交织器作为单个单片器件集成在一起，光学均衡器包括通道，该通带在信道中心具有下降以在光信号路径中实现升余弦滤波曲线，以实现符号间干扰ISI抑制 并且均衡器包括集成到交织器的光路中，以实现组合或分离奇数和偶数信道组的单片设备，以实现信道密度加倍。 优选地，光学均衡器还包括第一均衡器，其具有在第一输出端口和输入端口处的所需波纹下降的一半深度，以及在第二输出端口处具有所需纹波下降的一半深度的第二均衡器。

公开(公告)号：US20110081151A1

公开(公告)日：2011-04-07

申请号：US12894508

申请日：2010-09-30

Applicant: Jianjun Yu ,  Ming-Fang Huang ,  Ting Wang

Inventor： Jianjun Yu ,  Ming-Fang Huang ,  Ting Wang

IPC: H04J14/02

CPC classification number: H04J14/02 ,  H04B10/532 ,  H04J14/0298 ,  H04J14/06

Abstract: A high speed orthogonal dense wavelength division multiplexing DWDM signal generator includes a multi-peak continuous wave signal generator responsive to a light source, an optical filter for separating multi-peaks of lightwaves from the generator; and a polarization multiplexing stage responsive to the multi-peaks of lightwaves from the optical filter for providing a polarization multiplexing optical signal. The generator includes a cascaded phase modulator and intensity modulator driven by a repetitive frequency (I) to generate multiple spectral peaks, each peak being modulated by an optical modulator driven by a respective baud rate (f baud/s) electrical signal.

Abstract translation: 高速正交密集波分复用DWDM信号发生器包括响应于光源的多峰连续波信号发生器，用于从发生器分离光波的多峰的滤光器; 以及响应于来自滤光器的光波的多峰响应偏振复用光信号的偏振复用级。 发生器包括由重复频率（I）驱动以产生多个频谱峰值的级联相位调制器和强度调制器，每个峰值由由相应波特率（f baud / s）电信号驱动的光学调制器调制。

公开(公告)号：US20110069954A1

公开(公告)日：2011-03-24

申请号：US12566317

申请日：2009-09-24

Applicant: Junqiang Hu ,  Ting Wang ,  Dayou Qian ,  Philip Nan Ji

Inventor： Junqiang Hu ,  Ting Wang ,  Dayou Qian ,  Philip Nan Ji

IPC: H04J14/00

CPC classification number: H04Q11/0067 ,  H04Q2011/0081

Abstract: There is provided an optical network apparatus having interconnected processing gigabit passive optical network G-PON blades, a protection blade, and controller blade, the regular blades and protecting blade having a higher layer processing and switching interface to a G-PON media access control MAC coupled to PHY including serializer and de-serializer modules that are connected to respective interface modules, the improvement including a protecting 1:N signal drive and a protecting N:1 signal select driver coupled between the interface module and serializer and de-serializer modules of the protecting blade, respectively, for protecting connection to the interface module of the protecting blade. The improvement further includes a processing 1:N signal driver and a processing N:1 signal select driver coupled between the interface module and serializer and de-serializer modules of the processing G-PON blade, respectively, for protecting connection to the interface module of the processing G-PON blade and a 1:2 signal driver and 2:1 signal select driver in the interface module for providing an alternative connection to the protection blade.

Abstract translation: 提供了具有互连处理千兆无源光网络G-PON刀片，保护刀片和控制器刀片的光网络设备，正常刀片和保护刀片具有到G-PON媒体访问控制MAC的更高层处理和交换接口 耦合到PHY，包括连接到相应接口模块的串行器和解串器器模块，改进包括保护1：N信号驱动器和耦合在接口模块和串行器之间的保护N：1信号选择驱动器和解串器器模块 保护刀片分别用于保护与保护刀片的接口模块的连接。 该改进还包括处理1：N信号驱动器和耦合在接口模块和串行器之间的处理N：1信号选择驱动器和处理G-PON刀片的解串器器模块，用于保护与接口模块的连接 在接口模块中处理G-PON刀片和1：2信号驱动器和2：1信号选择驱动器，以提供与保护刀片的替代连接。

公开(公告)号：US07779617B2

公开(公告)日：2010-08-24

申请号：US12482523

申请日：2009-06-11

Applicant: Ting Wang ,  Chaojie Zhang ,  Shengli Wang ,  Wenchen Song

Inventor： Ting Wang ,  Chaojie Zhang ,  Shengli Wang ,  Wenchen Song

IPC: A01D34/00

CPC classification number: A01D34/76 ,  A01D69/08

Abstract: A sliding pulley drive mechanism in cutting platform of lawn mower is disclosed. The drive mechanism includes an engine for the fixed to a chassis; a cutting platform connected to, and capable of moving up and down in relation to the chassis; cutting platform drive belts fitted over the output shaft of the engine, an external spline shaft is fixed to the output shaft of the engine, and a belt pulley with an internal spline is mounted on an external spline shaft. Through a spline mechanism, the belt pulley on the engine can slide up or down on the output shaft of the engine as the elevation of the cutting platform is adjusted, so that the cutting platform drive belts are kept in the same plane, and therefore the belt service lifespan is elongated.

Abstract translation: 公开了一种割草机切割平台中的滑轮驱动机构。 驱动机构包括用于固定到底盘的发动机; 连接到并能够相对于底盘上下移动的切割平台; 切割平台驱动皮带安装在发动机的输出轴上，外花键轴固定在发动机的输出轴上，带有内花键的皮带轮安装在外花键轴上。 通过花键机构，当调整切割平台的高度时，发动机上的皮带轮可以在发动机的输出轴上上下滑动，使得切割平台驱动皮带保持在同一平面上，因此 皮带使用寿命延长。

公开(公告)号：US20100208853A1

公开(公告)日：2010-08-19

申请号：US12372378

申请日：2009-02-17

Applicant: Dayou Qian ,  Jianjun Yu ,  Ting Wang

Inventor： Dayou Qian ,  Jianjun Yu ,  Ting Wang

IPC: H03D1/04 ,  H03M7/00

CPC classification number: H04L27/233

Abstract: A system and method to adjust the symbol constellation used to de-map a signal in an optical coherent communications system. A feedback de-mapper adjustment module is configured to compare average Error Vector Magnitude and Bit Error Ratio to a pre-defined table to determine when a constellation de-mapper mismatch occurs. The feedback de-mapper adjustment module then rotates the de-mapper constellation in order to compensate for phase drift.

Abstract translation: 一种用于调整用于在光学相干通信系统中去映射信号的符号星座的系统和方法。 反馈解映射器调整模块被配置为将平均误差矢量幅度和误码率与预定义的表进行比较，以确定何时发生星座解映射器失配。 反馈解映射器调整模块随后旋转去映射器星座以便补偿相位漂移。