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21. 发明申请

US20100080565A1 Electronic Wavefront Correction for Free-Space Optical Communications 有权
标题翻译：电子波前校正自由空间光通信
公开(公告)号：US20100080565A1
公开(公告)日：2010-04-01
申请号：US12239522
申请日：2008-09-26
申请人： Guifang Li , Inwoong Kim , Xiaobo Xie
发明人： Guifang Li , Inwoong Kim , Xiaobo Xie
IPC分类号： H04B10/06 , H04B10/00
CPC分类号： H04B10/1121 , H04B10/6161 , H04B10/6165 , H04B10/64
摘要： Systems and methods of electronic wavefront correction are disclosed. An example method receiving an optical signal representing a wavefront traveling along a plurality of propagation paths, and electronically correcting distortion in the wavefront. An example apparatus includes an receiver and an electronic wavefront corrector. The receiver is configured to coherently receive an optical signal representing a wavefront traveling along a plurality of propagation paths. The electronic wavefront corrector is configured to correct phase distortion in the wavefront.
摘要翻译：公开了电子波前校正的系统和方法。接收表示沿着多个传播路径行进的波前的光信号的示例方法，以及电波校正波前的失真。示例性装置包括接收机和电子波前校正器。接收机被配置为相干地接收表示沿着多个传播路径行进的波前的光信号。电子波前校正器被配置为校正波前的相位失真。

22. 发明申请

US20090196619A1 Systems and Methods for Optical Carrier Recovery 有权
标题翻译：光载波恢复系统与方法
公开(公告)号：US20090196619A1
公开(公告)日：2009-08-06
申请号：US12025950
申请日：2008-02-05
申请人： Inwoong Kim , Guifang Li
发明人： Inwoong Kim , Guifang Li
IPC分类号： H04J14/02 , H04B10/00
CPC分类号： H04B10/63 , H04B10/60 , H04J14/002
摘要： In one embodiment a system and method pertain to generating a pump from a received optical signal, inputting the generated pump into a phase-sensitive oscillator, and amplifying a carrier component of the pump to generate an optical carrier having the same phase and polarity of an optical carrier of the received optical signal.
摘要翻译：在一个实施例中，系统和方法涉及从接收到的光信号产生泵，将产生的泵输入到相敏振荡器中，并且放大泵的载波分量以产生具有相同相位和极性的光载体光载波的接收光信号。

23. 发明授权

US08335438B2 Estimating frequency offset using a feedback loop 有权
标题翻译：使用反馈回路估计频偏
公开(公告)号：US08335438B2
公开(公告)日：2012-12-18
申请号：US12609177
申请日：2009-10-30
申请人： Inwoong Kim , Takao Naito
发明人： Inwoong Kim , Takao Naito
IPC分类号： H04B10/00
CPC分类号： H04L27/0014 , H04B10/60 , H04B10/611 , H04B10/6164 , H04L2027/0038 , H04L2027/0065
摘要： According to particular embodiments, a signal communicated from a transmitter to a receiver is received. A frequency offset estimate of the signal is determined. The frequency offset estimate indicates a frequency difference between the transmitter and the receiver. The frequency offset estimate is provided as feedback. A next frequency offset is compensated for according to the feedback.
摘要翻译：根据具体实施例，接收从发射机传送到接收机的信号。确定信号的频率偏移估计。频率偏移估计表示发射机和接收机之间的频率差。频率偏移估计作为反馈提供。根据反馈补偿下一个频率偏移。

24. 发明授权

US08204389B2 Electronic post-compensation of optical transmission impairments using digital backward propagation 有权
标题翻译：使用数字反向传播的光传输损伤的电子后补偿
公开(公告)号：US08204389B2
公开(公告)日：2012-06-19
申请号：US12351444
申请日：2009-01-09
申请人： Guifang Li , Eduardo Mateo , Likai Zhu , Xiaoxu Li , Gilad Goldfarb , Xin Chen , Inwoong Kim , Fatih Yaman
发明人： Guifang Li , Eduardo Mateo , Likai Zhu , Xiaoxu Li , Gilad Goldfarb , Xin Chen , Inwoong Kim , Fatih Yaman
IPC分类号： H04B10/06
CPC分类号： H04J14/02 , H04B10/2507 , H04B2210/252 , H04J14/06
摘要： Systems and method of compensating for transmission impairment are disclosed. One such method comprises: receiving an optical signal which has been distorted in the physical domain by an optical transmission channel; and propagating the distorted optical signal backward in the electronic domain in a corresponding virtual optical transmission channel.
摘要翻译：公开了补偿传动损伤的系统和方法。一种这样的方法包括：通过光传输信道接收已经在物理域中失真的光信号; 并在对应的虚拟光传输信道中的电子域中向后传播失真的光信号。

25. 发明申请

US20120148232A1 METHOD AND SYSTEM FOR COMPENSATION OF LASER PHASE/FREQUENCY NOISE IN AN OPTICAL DEVICE 有权
标题翻译：用于补偿光学器件中的激光相位/频率噪声的方法和系统
公开(公告)号：US20120148232A1
公开(公告)日：2012-06-14
申请号：US12967601
申请日：2010-12-14
申请人： Inwoong Kim , Olga I. Vassilieva
发明人： Inwoong Kim , Olga I. Vassilieva
IPC分类号： H04B10/04 , H04B10/08
CPC分类号： H04B10/541 , H04B10/5059
摘要： In accordance with embodiments of the present disclosure, a method for compensation of noise in an optical device is provided. The method may include calculating noise present in an optical carrier signal. The method may also include generating quadrature amplitude modulation input signals, the quadrature amplitude modulation input signals each including a term for compensation of the noise based on the calculated noise. The method may further include modulating the optical carrier signal to generate a modulated optical signal based on quadrature amplitude modulation input signals.
摘要翻译：根据本公开的实施例，提供了一种用于补偿光学装置中的噪声的方法。该方法可以包括计算光载波信号中存在的噪声。该方法还可以包括产生正交幅度调制输入信号，正交幅度调制输入信号各自包括用于基于所计算的噪声来补偿噪声的项。该方法还可以包括调制光载波信号以产生基于正交幅度调制输入信号的调制光信号。

26. 发明申请

US20120014692A1 SYSTEM AND METHOD FOR CROSS-PHASE MODULATION NOISE REDUCED TRANSMISSION IN HYBRID NETWORKS 有权
标题翻译：混合网络中相互调制噪声减少传输的系统与方法
公开(公告)号：US20120014692A1
公开(公告)日：2012-01-19
申请号：US12838129
申请日：2010-07-16
申请人： Inwoong Kim , Olga I. Vassilieva
发明人： Inwoong Kim , Olga I. Vassilieva
IPC分类号： H04B10/08
CPC分类号： H04B10/2557 , H04B10/0795 , H04B10/6163 , H04J14/0205 , H04J14/0224
摘要： In one embodiment, a method for receiving optical signals includes receiving a first set of one or more signals and a second set of one or more signals, determining a block length used to process the first set of signals, and processing the first set of signals using the block length. The first set of signals and the second set of signals are separated by a guard band. The block length is based upon the width of the guard band.
摘要翻译：在一个实施例中，一种用于接收光信号的方法包括接收一个或多个信号的第一组和一个或多个信号的第二组，确定用于处理第一组信号的块长度，以及处理第一组信号使用块长度。第一组信号和第二组信号由保护频带分开。块长度基于保护带的宽度。

27. 发明授权

US08027588B2 Systems and methods for optical carrier recovery 有权
标题翻译：光载波恢复的系统和方法
公开(公告)号：US08027588B2
公开(公告)日：2011-09-27
申请号：US12025950
申请日：2008-02-05
申请人： Inwoong Kim , Guifang Li
发明人： Inwoong Kim , Guifang Li
IPC分类号： H04J14/02
CPC分类号： H04B10/63 , H04B10/60 , H04J14/002
摘要： In one embodiment a system and method pertain to generating a pump from a received optical signal, inputting the generated pump into a phase-sensitive oscillator, and amplifying a carrier component of the pump to generate an optical carrier having the same phase and polarity of an optical carrier of the received optical signal.
摘要翻译：在一个实施例中，系统和方法涉及从接收到的光信号产生泵，将产生的泵输入到相敏振荡器中，并且放大泵的载波分量以产生具有相同相位和极性的光载体光载波的接收光信号。

28. 发明授权

US09515734B2 System and method for cross-phase modulation noise reduced transmission in hybrid networks 有权
标题翻译：混合网络中交叉相位调制噪声减少传输的系统和方法
公开(公告)号：US09515734B2
公开(公告)日：2016-12-06
申请号：US12838129
申请日：2010-07-16
申请人： Inwoong Kim , Olga I. Vassilieva
发明人： Inwoong Kim , Olga I. Vassilieva
IPC分类号： H04B10/08 , H04B10/2557 , H04J14/02 , H04B10/61 , H04B10/079
CPC分类号： H04B10/2557 , H04B10/0795 , H04B10/6163 , H04J14/0205 , H04J14/0224
摘要： In one embodiment, a method for receiving optical signals includes receiving a first set of one or more signals and a second set of one or more signals, determining a block length used to process the first set of signals, and processing the first set of signals using the block length. The first set of signals and the second set of signals are separated by a guard band. The block length is based upon the width of the guard band.
摘要翻译：在一个实施例中，一种用于接收光信号的方法包括接收一个或多个信号的第一组和一个或多个信号的第二组，确定用于处理第一组信号的块长度，以及处理第一组信号使用块长度。第一组信号和第二组信号由保护频带分开。块长度基于保护带的宽度。

29. 发明授权

US08543000B2 System and method for reducing polarization dependent loss cross-talk effects 有权
标题翻译：减少偏振相关损失串扰效应的系统和方法
公开(公告)号：US08543000B2
公开(公告)日：2013-09-24
申请号：US12879792
申请日：2010-09-10
申请人： Olga I Vassilieva , Inwoong Kim
发明人： Olga I Vassilieva , Inwoong Kim
IPC分类号： H04J14/02
CPC分类号： H04B10/2572 , H04J14/0201 , H04J14/06
摘要： In accordance with the present disclosure a system for reducing polarization dependent loss (PDL) of an optical signal comprises a delay module coupled to one or more PDL inducing network elements of an optical network. The delay module is configured to time interleave a first polarization component with respect to a second polarization component of the optical signal. The time interleaving reduces interference caused by cross-talk components associated with the first and second polarization components and induced by the PDL of the PDL inducing elements.
摘要翻译：根据本公开，用于减少光信号的偏振相关损耗（PDL）的系统包括耦合到诱导光网络的网络元件的一个或多个PDL的延迟模块。延迟模块被配置为相对于光信号的第二偏振分量对第一偏振分量进行时间交织。时间交织减少了由与第一和第二极化分量相关联并由PDL诱导元件的PDL引起的串扰分量引起的干扰。

30. 发明授权

US08488979B2 Multi-level polarization multi-level phase modulator 失效
标题翻译：多电平极化多电平相位调制器
公开(公告)号：US08488979B2
公开(公告)日：2013-07-16
申请号：US12646792
申请日：2009-12-23
申请人： Inwoong Kim , Takao Naito
发明人： Inwoong Kim , Takao Naito
IPC分类号： H04B10/04 , H04B10/12
CPC分类号： H04J14/06 , H04B10/5051 , H04B10/5053 , H04B10/5161 , H04B10/532 , H04B10/5561
摘要： An apparatus for use with an optical computation system may comprise a monolithic device with no free space optical components and may include a phase modulator and a polarization modulator. The phase modulator may be configured to receive a beam of light and two digital data streams and operable to modulate the phase of the beam of light to at least four phase states, the at least four phase states representing the two digital data streams. The polarization modulator may be configured to receive two additional digital data streams and the modulated beam of light from the phase modulator and operable to modulate the polarization of the beam of light to at least four polarization states, the at least four polarization states representing the two additional digital data streams.
摘要翻译：用于光学计算系统的装置可以包括没有自由空间光学部件的单片器件，并且可以包括相位调制器和偏振调制器。相位调制器可以被配置为接收光束和两个数字数据流，并且可操作以将光束的相位调制到至少四个相位状态，所述至少四个相位状态表示两个数字数据流。偏振调制器可以被配置为从相位调制器接收两个附加的数字数据流和经调制的光束，并且可操作以将光束的偏振调制到至少四个极化状态，所述至少四个极化状态表示两个附加数字数据流。

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