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1. 发明授权

US08934787B2 Shared wavelength locker with a periodic transmission filter in a network communication path 有权
标题翻译：在网络通信路径中具有周期性传输过滤器的共享波长锁定器
公开(公告)号：US08934787B2
公开(公告)日：2015-01-13
申请号：US13248517
申请日：2011-09-29
申请人： Xiao A. Shen , Tongqing Wang , Hongbing Lie , Yu Sheng Bai
发明人： Xiao A. Shen , Tongqing Wang , Hongbing Lie , Yu Sheng Bai
IPC分类号： H04B10/00 , H04J14/02 , H04B10/50 , H04B10/572
CPC分类号： H04J14/02 , H04B10/506 , H04B10/572 , H04J14/0276
摘要： An apparatus comprising a plurality of optical transmitters and a wavelength locker shared by the plurality of optical transmitters. A periodic transmission filter used for wavelength locker operations is in a network communication path and shapes optical transmissions from the plurality of optical transmitters to a network. An apparatus comprising at least one processor configured to receive a pre-filter signal corresponding to part of an optical signal comprising a pilot tone and to receive a post-filter signal corresponding to a part of the optical signal that passes through a period transmission filter, wherein a filtered part of the optical signal is directed into a network. The processor is also configured to perform wavelength locking based on a quadrature detection technique that aligns an adiabatic logical one position of a modulated transmission signal with a spectral transmission peak of the period transmission filter.
摘要翻译：一种装置，包括由多个光发射机共享的多个光发射机和波长锁定器。用于波长锁定器操作的周期性传输滤波器在网络通信路径中并且将来自多个光发射机的光传输形成网络。一种装置，包括至少一个处理器，被配置为接收对应于包括导频音的光信号的一部分的预滤波器信号，并且接收对应于通过周期发射滤波器的光信号的一部分的后置滤波器信号，其中所述光信号的滤波部分被引导到网络中。处理器还被配置为基于正交检测技术执行波长锁定，该技术将调制的传输信号的绝热逻辑一个位置与周期传输滤波器的频谱传输峰值对准。

2. 发明授权

US08611750B2 Wavelength locker for simultaneous control of multiple dense wavelength division multiplexing transmitters 有权
标题翻译：用于同时控制多个密集波分复用发射机的波长锁定器
公开(公告)号：US08611750B2
公开(公告)日：2013-12-17
申请号：US12579196
申请日：2009-10-14
申请人： Hongbing Lei , Xiao A. Shen , Yu Sheng Bai
发明人： Hongbing Lei , Xiao A. Shen , Yu Sheng Bai
IPC分类号： H04J14/02 , H04B10/04
CPC分类号： H04J14/02 , H04B10/506 , H04B10/572 , H04J14/0276
摘要： An apparatus comprising a plurality of optical transmitters coupled to a fiber, a signal generator coupled to the optical transmitters and configured to provide a single pilot tone to the optical transmitters, and a processor positioned within a feedback loop between the fiber and the optical transmitters, the processor configured to adjust a wavelength for each of the optical transmitters to lock the wavelengths. An apparatus comprising at least one processor configured to implement a method comprising receiving an optical signal comprising a pilot tone, detecting an amplitude and a phase of the pilot tone, calculating a quadrature term using the amplitude and the phase, and wavelength locking the optical signal using the quadrature term.
摘要翻译：一种装置，包括耦合到光纤的多个光发射机，耦合到所述光发射机并被配置为向所述光发射机提供单个导频音的信号发生器以及位于所述光纤与所述光发射机之间的反馈回路内的处理器，所述处理器被配置为调整每个所述光发射器的波长以锁定所述波长。一种装置，包括至少一个处理器，其被配置为实现一种方法，包括接收包括导频音的光信号，检测导频音的幅度和相位，使用振幅和相位计算正交项，以及波长锁定光信号使用正交项。

3. 发明授权

US08559821B2 Wavelength stabilization and locking for colorless dense wavelength division multiplexing transmitters 有权
标题翻译：无色密集波分复用发射机的波长稳定和锁定
公开(公告)号：US08559821B2
公开(公告)日：2013-10-15
申请号：US12629425
申请日：2009-12-02
申请人： Yang Jing Wen , Jizhong Liu , Yu Sheng Bai
发明人： Yang Jing Wen , Jizhong Liu , Yu Sheng Bai
IPC分类号： H04J14/02
CPC分类号： H01S5/0687 , H01S3/10061 , H01S5/0654 , H01S5/0656 , H01S5/06837 , H01S5/4025 , H01S5/50 , H04B10/572
摘要： An apparatus comprising a laser transmitter having a first side and a second side, a filter coupled to the first side, a detector coupled to the second side, and a temperature controller coupled to the laser transmitter and the detector. Also disclosed is an apparatus comprising at least one processor configured to implement a method comprising receiving a photocurrent of a backward light from a laser, determining a wavelength shift offset between a wavelength of the output light and a filter transmission peak, and adjusting a temperature of the laser to substantially reduce the wavelength shift and align the wavelength of the output light with the filter transmission peak.
摘要翻译：一种装置，包括具有第一侧和第二侧的激光发射器，耦合到第一侧的滤波器，耦合到第二侧的检测器和耦合到激光发射器和检测器的温度控制器。还公开了一种装置，其包括至少一个处理器，其被配置为实现一种方法，包括从激光器接收反向光的光电流，确定输出光的波长与滤波器透射峰之间的波长偏移偏移，以及调节该激光器基本上减少波长偏移并将输出光的波长与滤光片透射峰对准。

4. 发明授权

US08391726B2 Method and apparatus for frame detection and polarization separation 有权
标题翻译：用于帧检测和偏振分离的方法和装置
公开(公告)号：US08391726B2
公开(公告)日：2013-03-05
申请号：US12712655
申请日：2010-02-25
申请人： Yuanjie Chen , Zhuhong Zhang , Chuandong Li , Fei Zhu , Yu Sheng Bai
发明人： Yuanjie Chen , Zhuhong Zhang , Chuandong Li , Fei Zhu , Yu Sheng Bai
IPC分类号： H04B10/06 , H04B10/00 , H04L27/28 , H04L12/66
CPC分类号： H04B10/60 , H04L25/03019 , H04L25/03159 , H04L2025/03426 , H04L2025/03445 , H04L2025/03522
摘要： An optical receiver comprising a frame detector configured to receive a polarized signal comprising a first bit stream and a second bit stream, and further configured to identify a plurality of frames in the first bit stream and the second bit stream using a composite header, and a time-domain equalizer (TDEQ) configured to separate the first bit stream and the second bit stream using a portion of the composite header.
摘要翻译：一种光接收机，包括帧检测器，其被配置为接收包括第一位流和第二位流的偏振信号，并且还被配置为使用复合报头来识别所述第一位流中的多个帧和所述第二位流，以及时域均衡器（TDEQ）被配置为使用复合报头的一部分来分离第一比特流和第二比特流。

5. 发明授权

US08285151B2 Method and system for hybrid integrated 1XN DWDM transmitter 有权
标题翻译：混合集成1XN DWDM发射机的方法和系统
公开(公告)号：US08285151B2
公开(公告)日：2012-10-09
申请号：US11866951
申请日：2007-10-03
申请人： Xiao Andy Shen , Yu Sheng Bai
发明人： Xiao Andy Shen , Yu Sheng Bai
IPC分类号： H04B10/04
CPC分类号： G02B6/1203 , G02B6/12019 , H04J14/02
摘要： An integrated DWDM transmitter apparatus includes a silica-on-silicon substrate overlying a first support component. The silica-on-silicon substrate includes a silica layer overlying a silicon layer. A coefficient of thermal expansion of the first support component is substantially matched to a coefficient of thermal expansion of the silicon layer. An optical multiplexer is located within the silica layer and includes a plurality of input waveguides and at least an output waveguide. Additionally, the apparatus includes a second support component attached to a side surface of the first support component. One or more semiconductor laser array chips overlie the second support component. A coefficient of thermal expansion of the one or more semiconductor chips is substantially matched to a coefficient of thermal expansion of the second support component. Moreover, each of the one or more laser array chips includes one or more lasers, each of which is optically coupled to a corresponding one of the plurality of input waveguides.
摘要翻译：集成的DWDM发射机设备包括覆盖在第一支撑部件上的硅硅衬底。二氧化硅硅衬底包括覆盖硅层的二氧化硅层。第一支撑部件的热膨胀系数基本上与硅层的热膨胀系数相匹配。光学多路复用器位于二氧化硅层内，并且包括多个输入波导和至少一个输出波导。另外，该装置包括附接到第一支撑部件的侧表面的第二支撑部件。一个或多个半导体激光器阵列芯片覆盖在第二支撑部件上。一个或多个半导体芯片的热膨胀系数基本上与第二支撑部件的热膨胀系数匹配。此外，一个或多个激光阵列芯片中的每一个包括一个或多个激光器，每个激光器光学耦合到多个输入波导中对应的一个输入波导。

6. 发明申请

US20110129227A1 Wavelength Stabilization and Locking for Colorless Dense Wavelength Division Multiplexing Transmitters 有权
标题翻译：无色密集波分复用发射机的波长稳定和锁定
公开(公告)号：US20110129227A1
公开(公告)日：2011-06-02
申请号：US12629425
申请日：2009-12-02
申请人： Yang Jing Wen , Jizhong Liu , Yu Sheng Bai
发明人： Yang Jing Wen , Jizhong Liu , Yu Sheng Bai
IPC分类号： H01S5/06 , H01S3/08 , H04J14/02 , H01S3/04 , H01S3/13
CPC分类号： H01S5/0687 , H01S3/10061 , H01S5/0654 , H01S5/0656 , H01S5/06837 , H01S5/4025 , H01S5/50 , H04B10/572
摘要： An apparatus comprising a laser transmitter having a first side and a second side, a filter coupled to the first side, a detector coupled to the second side, and a temperature controller coupled to the laser transmitter and the detector. Also disclosed is an apparatus comprising at least one processor configured to implement a method comprising receiving a photocurrent of a backward light from a laser, determining a wavelength shift offset between a wavelength of the output light and a filter transmission peak, and adjusting a temperature of the laser to substantially reduce the wavelength shift and align the wavelength of the output light with the filter transmission peak.
摘要翻译：一种装置，包括具有第一侧和第二侧的激光发射器，耦合到第一侧的滤波器，耦合到第二侧的检测器和耦合到激光发射器和检测器的温度控制器。还公开了一种装置，包括至少一个处理器，其被配置为实现一种方法，包括接收来自激光器的反向光的光电流，确定输出光的波长和滤波器透射峰之间的波长偏移偏移，以及调节该激光器基本上减少波长偏移并将输出光的波长与滤光片透射峰对准。

7. 发明授权

US07792433B2 System and method for generating optical return-to-zero signals with differential bi-phase shift and frequency chirp 有权
标题翻译：用于产生具有差分双相位移和频率啁啾的光回归信号的系统和方法
公开(公告)号：US07792433B2
公开(公告)日：2010-09-07
申请号：US11373845
申请日：2006-03-10
申请人： Yu Sheng Bai
发明人： Yu Sheng Bai
IPC分类号： H04B10/04
CPC分类号： H04B10/5561 , H04B10/505 , H04B10/5051 , H04B10/5055 , H04B10/5162 , H04L25/4904
摘要： A system and method for generating an optical return-to-zero signal. The system includes an electro-optical conversion system. The electro-optical conversion system is configured to receive an input electrical non-return-to-zero signal, process information associated with the input electrical non-return-to-zero signal, and generate an output optical return-to-zero signal based on at least information associated with the input electrical non-return-to-zero signal. The output optical return-to-zero signal is an optical differential return-to-zero signal, and the optical differential return-to-zero signal is associated with a frequency chirp.
摘要翻译：一种用于产生光返回信号的系统和方法。该系统包括电光转换系统。电光转换系统被配置为接收输入的电不归零信号，与输入的电不归零信号相关联的处理信息，并且基于输出光回归至零信号生成至少与输入的电气不归零信号相关联的信息。输出光回归信号是光差分归零信号，光差分归零信号与频率啁啾相关联。

8. 发明授权

US07720391B2 System and method for generating optical return-to-zero signals with alternating bi-phase shift 有权
标题翻译：用于产生具有交替双相移位的光返回信号的系统和方法
公开(公告)号：US07720391B2
公开(公告)日：2010-05-18
申请号：US11336658
申请日：2006-01-20
申请人： Yu Sheng Bai
发明人： Yu Sheng Bai
IPC分类号： H04B10/04
CPC分类号： H04B10/58 , H04B10/5051 , H04B10/5055 , H04B10/508
摘要： A system and method for generating an optical return-to-zero signal. The system includes a bit separator configured to receive an electrical non-return-to-zero signal and generate a first signal and a second signal, and a driver configured to receive the first signal and the second signal and generate a driving signal. The driving signal is associated with a difference between the first signal and the second signal. Additionally, the system includes a light source configured to generate a light, and an electro-optical modulator configured to receive the light and the driving signal, modulate the light with the driving signal, and generate an optical signal. The electrical non-return-to-zero signal includes a first plurality of bits and a second plurality of bits. The first signal includes the first plurality of bits, and the second signal includes the second plurality of bits. The optical signal is an optical return-to-zero signal.
摘要翻译：一种用于产生光返回信号的系统和方法。该系统包括配置成接收电不归零信号并产生第一信号和第二信号的位分离器，以及被配置为接收第一信号和第二信号并产生驱动信号的驱动器。驱动信号与第一信号和第二信号之间的差异相关联。此外，该系统包括被配置为产生光的光源和被配置为接收光和驱动信号的电光调制器，用驱动信号调制光，并产生光信号。电不归零信号包括第一多个位和第二多个位。第一信号包括第一多个比特，第二信号包括第二多个比特。光信号是光返回信号。

9. 发明授权

US07606501B2 System and method for generating optical return-to-zero signals with alternating bi-phase shift and frequency chirp 有权
标题翻译：用于产生具有交替的双相位移和频率啁啾的光回归信号的系统和方法
公开(公告)号：US07606501B2
公开(公告)日：2009-10-20
申请号：US11336619
申请日：2006-01-20
申请人： Yu Sheng Bai
发明人： Yu Sheng Bai
IPC分类号： H04B10/04
CPC分类号： H04B10/58 , H04B10/5051 , H04B10/5055 , H04B10/508
摘要： A system and method for generating an optical return-to-zero signal with frequency chirp. The system includes a bit separator configured to receive an electrical non-return-to-zero signal and generate a first input signal and a second input signal. Additionally, the system includes a first driver configured to receive the first input signal and generate a first driving signal. The first driving signal is proportional to the first input signal in signal strength. Moreover, the system includes a second driver configured to receive the second input signal and generate a second driving signal. The second driving signal is proportional to the second input signal in signal strength. Also, the system includes a light source configured to generate a light, and an electro-optical modulator.
摘要翻译：一种用于产生具有频率啁啾的光返回零信号的系统和方法。该系统包括位分离器，其被配置为接收电不归零信号并产生第一输入信号和第二输入信号。另外，该系统包括配置为接收第一输入信号并产生第一驱动信号的第一驱动器。第一驱动信号与信号强度中的第一输入信号成比例。此外，该系统包括被配置为接收第二输入信号并产生第二驱动信号的第二驱动器。第二驱动信号与信号强度中的第二输入信号成比例。此外，该系统包括被配置为产生光的光源和电光调制器。

10. 发明申请

US20080253762A1 Method and system for performance monitor for digital optical DWDM networks 有权
标题翻译：数字光纤DWDM网络性能监测方法及系统
公开(公告)号：US20080253762A1
公开(公告)日：2008-10-16
申请号：US11953828
申请日：2007-12-10
申请人： Yu Sheng Bai , Xiao Andy Shen
发明人： Yu Sheng Bai , Xiao Andy Shen
IPC分类号： H04B10/08 , H04B17/00
CPC分类号： H04B10/07953 , H04J14/021 , H04J14/0283 , H04J14/0295 , H04L1/0045 , H04L1/20 , H04Q11/0062 , H04Q2011/0081 , H04Q2011/0083 , H04Q2011/0092
摘要： A system for performance monitoring for a DWDM network. The system includes a photonic integrated device configured to receive an optical signal and output a first plurality of electrical signals for a plurality of channels respectively. The system also includes a clock and data recovery device configured to receive the first plurality of electric signals. Additionally, the system includes a switch device coupled to the first clock and data recovery device without an error correction device in between. The switch includes a first interface to output a second plurality of electrical signals and a second interface to add or drop one or more channel devices. The switch also includes an output port configured to provide information associated with the plurality of channels. An error detection device is coupled to the output port and is configured to monitor and report performance of the channels.
摘要翻译：用于DWDM网络的性能监视系统。该系统包括被配置为接收光信号并分别输出多个信道的第一多个电信号的光子集成器件。该系统还包括被配置为接收第一多个电信号的时钟和数据恢复装置。此外，该系统包括耦合到第一时钟和数据恢复装置的开关装置，其间没有纠错装置。该开关包括用于输出第二多个电信号的第一接口和用于添加或丢弃一个或多个信道设备的第二接口。交换机还包括被配置为提供与多个信道相关联的信息的输出端口。错误检测装置耦合到输出端口并被配置为监视和报告信道的性能。

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