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1. 发明申请

WO2016011933A1 COMPENSATION OF NON-LINEAR TRANSMITTER IMPAIRMENTS IN OPTICAL COMMUNICATION NETWORKS 审中-公开
标题翻译：光通信网络中非线性发射机的补偿补偿
公开(公告)号：WO2016011933A1
公开(公告)日：2016-01-28
申请号：PCT/CN2015/084681
申请日：2015-07-21
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： KAN, Clarence , ZHU, Fei , LI, Zhihong
IPC分类号： H04B10/2543
CPC分类号： H04B10/40 , H04B10/616 , H04B2210/252
摘要： An optical transceiver comprises a transmitter configured to transmit a first signal, and a receiver coupled to the transmitter and configured to receive a first compensation, wherein the first compensation is based on a pattern-dependent analysis of the first signal, and provide the first compensation to the transmitter, wherein the transmitter is further configured to compensate a second signal based on the first compensation to form a first compensated signal, and transmit the first compensated signal. An optical transmitter comprises a digital signal processor (DSP) comprising a compensator, a digital-to-analog converter (DAC) coupled to the DSP, a radio frequency amplifier (RFA) coupled to the DAC, and an electrical-to-optical converter (EOC) coupled to the RFA. An optical receiver comprises an optical-to-electrical converter (OEC), an analog-to-digital converter (ADC) coupled to the OEC, and a digital signal processor (DSP) coupled to the ADC and comprising a calibrator.
摘要翻译：光收发器包括被配置为发送第一信号的发射机和耦合到所述发射机并被配置为接收第一补偿的接收机，其中所述第一补偿基于所述第一信号的模式相关分析，并且提供所述第一补偿其中所述发射机还被配置为基于所述第一补偿来补偿第二信号以形成第一补偿信号，并且发送所述第一补偿信号。光发射机包括数字信号处理器（DSP），包括补偿器，耦合到DSP的数模转换器（DAC），耦合到DAC的射频放大器（RFA）和电 - 光转换器（EOC）耦合到RFA。光接收器包括光 - 电转换器（OEC），耦合到OEC的模数转换器（ADC）和耦合到ADC的数字信号处理器（DSP）并且包括校准器。

2. 发明申请

WO2014085342A1 LEVEL EQUALIZATION TO COMPENSATE FOR IMPLEMENTATION IMPAIRMENTS IN OPTICAL COMMUNICATION SYSTEMS WITH HIGH-ORDER MODULATIONS 审中-公开
标题翻译：对高阶调制的光通信系统中的执行补偿进行均衡化补偿
公开(公告)号：WO2014085342A1
公开(公告)日：2014-06-05
申请号：PCT/US2013/071729
申请日：2013-11-25
申请人： HUAWEI TECHNOLOGIES CO., LTD. , FUTUREWEI TECHNOLOGIES, INC.
发明人： KAN, Clarence , LI, Zhihong , ZHU, Fei
IPC分类号： H04B10/61
CPC分类号： H04L27/01 , H04B10/613 , H04B10/614 , H04B10/616 , H04L25/03012 , H04L25/03159
摘要： A method comprising receiving digital samples from an optical communication system, assigning the samples into bins based on signal levels of the samples, computing an average signal level for each bin, determining a level adjustment transformation function for the samples based on the average signal levels of the bins, and applying the level adjustment transformation function to the samples. Also, disclosed is an optical receiver comprising a frontend configured to receive an optical signal over an optical channel, and convert the optical signal into a plurality of sequences of digital samples, and a processor coupled to the frontend and configured to perform a channel equalization on the samples of the sequences, assign the channel equalized samples of each sequence into bins based on signal levels of the channel equalized samples, determine a level adjustment transformation function for each sequence, and apply the level adjustment transformation function to each sequence.
摘要翻译：一种方法，包括从光通信系统接收数字样本，基于样本的信号电平将样本分配到分组中，计算每个分组的平均信号电平，基于平均信号电平确定样本的电平调整变换函数并对样品应用电平调整变换功能。此外，公开了一种光接收机，其包括前端，其被配置为通过光信道接收光信号，并将光信号转换成多个数字采样序列，以及耦合到前端的处理器，并且被配置为执行信道均衡序列样本基于信道均衡样本的信号电平将每个序列的信道均衡样本分配到信息包中，确定每个序列的电平调整变换函数，并将电平调整变换函数应用于每个序列。

3. 发明申请

WO2016138855A1 OPTICAL TRANSCEIVER USING DUPLEX MEDIA, SELF-HOMODYNE DETECTION (SHD), COHERENT DETECTION, AND UNCOOLED LASER 审中-公开
标题翻译：光学收发器使用双重介质，自谐振检测（SHD），相干检测和不可见激光
公开(公告)号：WO2016138855A1
公开(公告)日：2016-09-09
申请号：PCT/CN2016/075288
申请日：2016-03-02
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： LI, Zhihong , CUI, Yan , ZHU, Fei , BAI, Yusheng
IPC分类号： H04B10/63
CPC分类号： H04B10/40 , H04B10/532 , H04B10/60 , H04B10/61 , H04B10/63 , H04L5/143
摘要： An apparatus comprises an uncooled laser; a splitter coupled to the laser; a first wavelength component coupled to the splitter; a local oscillator (LO) port coupled to the first wavelength component; a modulator coupled to the splitter; a second wavelength component coupled to the modulator; and a signal port coupled to the second wavelength component. A method comprises emitting an input light; splitting the input light into a first local oscillator (LO) optical signal and a first unmodulated optical signal; modulating the first unmodulated optical signal using polarization-multiplexed, high-order modulation to produce a first modulated optical signal; transmitting the first LO optical signal to a first duplex fiber; and transmitting the first modulated optical signal to a second duplex fiber.
摘要翻译：一种装置包括非制冷激光器; 耦合到激光器的分束器; 耦合到分离器的第一波长分量; 耦合到所述第一波长分量的本地振荡器（LO）端口; 耦合到分离器的调制器; 耦合到所述调制器的第二波长分量; 以及耦合到第二波长分量的信号端口。一种方法包括发射输入光; 将输入光分成第一本地振荡器（LO）光信号和第一未调制的光信号; 使用偏振复用高阶调制来调制第一未调制光信号以产生第一调制光信号; 将第一LO光信号发射到第一双工光纤; 以及将第一调制光信号发射到第二双工光纤。

4. 发明申请

WO2016164634A1 OPTICAL TRANSCEIVING USING SELF-HOMODYNE DETECTION (SHD) AND REMOTE MODULATION 审中-公开
标题翻译：使用自我检测（SHD）和远程调制的光学收发
公开(公告)号：WO2016164634A1
公开(公告)日：2016-10-13
申请号：PCT/US2016/026516
申请日：2016-04-07
申请人： HUAWEI TECHNOLOGIES CO., LTD. , FUTUREWEI TECHNOLOGIES, INC.
发明人： LI, Zhihong , ZHU, Fei , BAI, Yu Sheng
IPC分类号： H04B10/40 , H04B10/63 , H04J14/02
CPC分类号： H04B10/40 , H04B10/503 , H04B10/54 , H04B10/58 , H04B10/616 , H04B10/63
摘要： A first optical transceiver node comprises: a laser configured to emit an input optical signal; a first splitter coupled to the laser and configured to split the input optical signal into a local oscillator (LO) optical signal and an unmodulated optical signal; and a receiver coupled to the first splitter and configured to: receive the LO optical signal from the first splitter; receive a modulated optical signal from a second optical transceiver node, wherein the modulated optical signal is a modulated version of the unmodulated optical signal; and perform phase noise cancellation of the modulated optical signal using the LO optical signal.
摘要翻译：第一光收发器节点包括：被配置为发射输入光信号的激光器; 耦合到所述激光器并且被配置为将所述输入光信号分离成本地振荡器（LO）光信号和未调制的光信号的第一分离器; 以及接收器，其耦合到所述第一分离器并且被配置为：从所述第一分离器接收所述LO光信号; 从第二光收发器节点接收经调制的光信号，其中调制的光信号是未调制光信号的调制版本; 并使用LO光信号执行调制光信号的相位噪声消除。

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