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31. 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。

32. 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。

33. 发明申请

US20130272702A1 OPTICAL SIGNAL REGENERATION AND AMPLIFICATION OF M-PSK AND M-QAM MODULATION FORMATS USING RECONFIGURABLE WAVELENGTH SELECTIVE PROCESSORS AND PHASE-SENSITIVE AMPLIFIERS 有权
标题翻译：使用可重构波长选择处理器和相敏放大器的M-PSK和M-QAM调制格式的光信号再生和放大
公开(公告)号：US20130272702A1
公开(公告)日：2013-10-17
申请号：US13526217
申请日：2012-06-18
申请人： Jeng-yuan Yang , Youichi Akasaka , Motoyoshi Sekiya , Inwoong Kim
发明人： Jeng-yuan Yang , Youichi Akasaka , Motoyoshi Sekiya , Inwoong Kim
IPC分类号： H04B10/17 , H04Q11/00
CPC分类号： H04B10/2912
摘要： A method for regenerating optical signal includes determining a source optical signal to be regenerated, adding a first pump optical signal and a second pump optical signal to the source optical signal to yield an intermediate optical signal, creating a first conjugate optical signal and a second conjugate optical signal from the intermediate optical signal, and performing degenerate phase-sensitive amplification utilizing the first conjugate optical signal, the second conjugate optical signal and the source optical signal to yield an output optical signal. The source optical signal is modulated with a multilevel modulation format. Each conjugate optical signal has a phase that is a conjugate of a multiple of the phase of the source optical signal.
摘要翻译：一种用于再生光信号的方法包括确定要再生的源光信号，向源光信号添加第一泵浦光信号和第二泵浦光信号以产生中间光信号，产生第一共轭光信号和第二共轭来自中间光信号的光信号，以及利用第一共轭光信号，第二共轭光信号和源光信号执行简并相位放大，以产生输出光信号。源光信号用多电平调制格式进行调制。每个共轭光信号具有作为源光信号的相位的倍数的共轭的相位。

34. 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。

35. 发明授权

US09461745B2 Optimizing optical network simulations 有权
标题翻译：优化光网络仿真
公开(公告)号：US09461745B2
公开(公告)日：2016-10-04
申请号：US13427071
申请日：2012-03-22
申请人： Olga Vassilieva , Inwoong Kim , Motoyoshi Sekiya
发明人： Olga Vassilieva , Inwoong Kim , Motoyoshi Sekiya
IPC分类号： G06F7/60 , H04B10/27
CPC分类号： H04B10/27
摘要： According to an aspect of an embodiment, a method of modeling an optical signal transmission path may include obtaining first transmission characteristics of an optical signal transmission path within an optical network based on a parameter of the optical network and randomly changing states of polarization of an optical signal within the optical signal transmission path. The method may also include obtaining second transmission characteristics of the optical signal transmission path based on the parameter and a first fixed state of polarization of the optical signal. The method may also include correlating the first transmission characteristics with the second transmission characteristics to obtain an effective state of polarization of the optical signal. A simulation of the optical signal transmission path based on the parameter and the effective state of polarization of the optical signal may produce transmission characteristics that may approximate the first transmission characteristics.
摘要翻译：根据实施例的一个方面，对光信号传输路径进行建模的方法可以包括基于光网络的参数获得光网络内的光信号传输路径的第一传输特性，并随机改变光学器件的偏振态信号在光信号传输路径内。该方法还可以包括基于参数和光信号的第一固定偏振状态来获得光信号传输路径的第二传输特性。该方法还可以包括将第一传输特性与第二传输特性相关联以获得光信号的有效极化状态。基于参数和光信号的有效极化状态的光信号传输路径的模拟可以产生可以接近第一传输特性的传输特性。

36. 发明授权

US09374158B2 Electronic wavefront correction for free-space optical communications 有权
标题翻译：用于自由空间光通信的电子波前校正
公开(公告)号：US09374158B2
公开(公告)日：2016-06-21
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： H04B10/00 , H04B10/112 , H04B10/61 , H04B10/64
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。

37. 发明授权

US08977137B2 Polarization dependent loss compensation 有权
标题翻译：极化相关损失补偿
公开(公告)号：US08977137B2
公开(公告)日：2015-03-10
申请号：US13552252
申请日：2012-07-18
申请人： Olga Vassilieva , Inwoong Kim , Motoyoshi Sekiya
发明人： Olga Vassilieva , Inwoong Kim , Motoyoshi Sekiya
IPC分类号： H04B10/06
CPC分类号： H04B10/0795 , H04B10/2572 , H04B10/532
摘要： An apparatus including a polarization controller is described. The polarizer controller is communicatively coupled via a feedback loop to an evaluation module located near an optical receiver. The evaluation module is configured to measure polarization dependent loss (PDL) of an optical signal received at the optical receiver. The polarization controller is configured to receive feedback control data regarding the PDL from the evaluation module. Additionally, the polarization controller is configured to modify a state of polarization of the optical signal at an optical transmitter, which is communicatively coupled to the optical receiver, based on the feedback control data.
摘要翻译：描述了包括偏振控制器的装置。偏振器控制器经由反馈回路通信耦合到位于光接收器附近的评估模块。评估模块被配置为测量在光接收器处接收的光信号的偏振相关损耗（PDL）。偏振控制器被配置为从评估模块接收关于PDL的反馈控制数据。另外，偏振控制器被配置为基于反馈控制数据来修改在光发射器处的光信号的偏振状态，光发射器通信地耦合到光接收器。

38. 发明授权

US08798481B2 Method and system for compensation of laser phase/frequency noise in an optical device 有权
标题翻译：光学装置中激光相位/频率噪声补偿的方法和系统
公开(公告)号：US08798481B2
公开(公告)日：2014-08-05
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
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。

39. 发明申请

US20120063781A1 SYSTEM AND METHOD FOR REDUCING POLARIZATION DEPENDENT LOSS CROSS-TALK EFFECTS 有权
标题翻译：用于减少极化相关损失交叉效应的系统和方法
公开(公告)号：US20120063781A1
公开(公告)日：2012-03-15
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： H04J14/06 , H04B10/00
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。

40. 发明申请

US20090214215A1 Electronic Post-Compensation of Optical Transmission Impairments Using Digital Backward Propagation 有权
标题翻译：使用数字向后传播的光传输损伤的电子后补偿
公开(公告)号：US20090214215A1
公开(公告)日：2009-08-27
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： H04J14/02 , H04J14/00 , H04J14/06 , 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。

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