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    • 93. 发明授权
    • Add and drop circulator
    • 添加和删​​除循环器
    • US08553326B2
    • 2013-10-08
    • US12956246
    • 2010-11-30
    • Alexander UmnovTakao Naito
    • Alexander UmnovTakao Naito
    • G02B5/30G02B6/27
    • G02B6/2746H04J14/0204H04J14/0205H04J14/0206H04J14/0212H04J14/0217
    • In accordance with one embodiment of the present disclosure, an optical signal bidirectional transmission system comprises a bi-directional port configured to receive and output optical beams, an input port configured to receive beams and an output port configured to output beams, and only one birefringent crystal. A first beam manipulation system configured to adjust polarization of the beams, and direct the beams from the bi-directional port to the birefringent crystal. A second beam manipulation system configured to adjust polarization of the beams, and direct the beams from the input port to the birefringent crystal. The birefringent crystal is configured to direct the beams received from the first beam manipulation system such that the beams may exit the second beam manipulation system through the output port and direct the beams received from the second beam manipulation system such that the beams may exit the first beam manipulation system through the bi-directional port.
    • 根据本公开的一个实施例,光信号双向传输系统包括被配置为接收和输出光束的双向端口,被配置为接收波束的输入端口和被配置为输出波束的输出端口,以及仅一个双折射 水晶。 第一光束操纵系统,被配置为调整光束的偏振,并将光束从双向端口引导到双折射晶体。 第二光束操纵系统,被配置为调节光束的偏振,并将光束从输入端口引导到双折射晶体。 双折射晶体被配置为引导从第一光束操纵系统接收的光束,使得光束可以通过输出端口离开第二光束操纵系统并且引导从第二光束操纵系统接收到的光束,使得光束可以退出第一光束 光束操纵系统通过双向端口。
    • 94. 发明授权
    • Multi-level polarization multi-level phase modulator
    • 多电平极化多电平相位调制器
    • US08488979B2
    • 2013-07-16
    • US12646792
    • 2009-12-23
    • Inwoong KimTakao Naito
    • Inwoong KimTakao Naito
    • H04B10/04H04B10/12
    • H04J14/06H04B10/5051H04B10/5053H04B10/5161H04B10/532H04B10/5561
    • 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.
    • 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。
    • 99. 发明申请
    • METHOD AND SYSTEM FOR CROSS-PHASE-MODULATION NOISE REDUCED TRANSMISSION IN HYBRID NETWORKS
    • 混合网络中相位调制噪声减少传输的方法与系统
    • US20110044689A1
    • 2011-02-24
    • US12545704
    • 2009-08-21
    • Olga I. VassilievaTakao Naito
    • Olga I. VassilievaTakao Naito
    • H04J14/06H04J14/02
    • H04J14/02
    • A system for cross-phase-modulation-noise reduced transmission in hybrid networks includes a first, second, and third set of optical transmitters. The first set of optical transmitters transmits a set of ten gigabit per second signals. The second set of optical transmitters transmits a set of forty gigabit per second signals. The third set of optical transmitters transmits a set of one hundred gigabit per second signals. On a wavelength spectrum, the set of 10 G signals is immediately adjacent to the set of 100 G signals, and the set of 100 G signals is immediately adjacent to the set of 40 G signals. The set of 10 G signals and the set of 100 G signals are not separated by a guard band. In addition, the set of 100 G signals and the set of 40 G signals are also not separated by a guard band.
    • 用于混合网络中的交叉相位调制噪声减小传输的系统包括第一,第二和第三组光发射机。 第一组光发射机发送一组十吉比特每秒信号。 第二组光发射机传输一组四十吉比特/秒信号。 第三组光发射机传输一组百兆比特每秒信号。 在波长谱上,10 G信号的集合紧邻于100 G信号的集合,100 G信号的集合与40 G信号的集合紧邻。 10 G信号和100 G信号的集合不被保护带分隔。 另外,100G信号组和40G信号组也不被保护带分隔开。
    • 100. 发明申请
    • Optical Amplifier Card with Pluggable Pump Laser Modules
    • 带可插拔泵激光模块的光放大器卡
    • US20110043897A1
    • 2011-02-24
    • US12543415
    • 2009-08-18
    • Youichi AkasakaTakao Naito
    • Youichi AkasakaTakao Naito
    • H01S3/10H01S3/00
    • H01S3/09408H01S3/0014H01S3/094053H01S3/1022
    • A system for optical communication including an optical amplifier card configured to receive a plurality of pump laser modules. The optical amplifier card includes a receptacle configured to receive the pump laser module, a connector configured to couple the pump laser module to the optical amplifier card, a monitor configured to measure at least the optical output power of the pump laser module, and a pump combiner communicatively coupled to the monitor. The pump combiner is configured to receive a signal from the monitor indicating a drop in the output power of a first pump laser module below a threshold level, and, in response to the signal, switch the optical amplifier card from using the optical power of the first pump laser module to using the optical power of a second pump laser module without substantially affecting normal operation of the optical amplifier card.
    • 一种用于光通信的系统,包括配置成接收多个泵激光器模块的光放大器卡。 光放大器卡包括被配置为接收泵浦激光器模块的插座,被配置为将泵激光器模块耦合到光放大器卡的连接器,配置成至少测量泵激光器模块的光输出功率的监视器,以及泵 组合器通信耦合到监视器。 泵组合器被配置为从监视器接收指示低于阈值水平的第一泵浦激光器模块的输出功率的下降的信号,并且响应于该信号,将光放大器卡从使用 第一泵激光模块,以使用第二泵激光器模块的光功率,而基本上不影响光放大器卡的正常工作。