公开(公告)号：US07406262B2

公开(公告)日：2008-07-29

申请号：US11082958

申请日：2005-03-18

Applicant: Goji Nakagawa ,  Hideyuki Miyata ,  Yutaka Kai ,  Hiroshi Onaka ,  Setsuo Yoshida ,  Kyosuke Sone ,  Tomohiro Ueno

Inventor： Goji Nakagawa ,  Hideyuki Miyata ,  Yutaka Kai ,  Hiroshi Onaka ,  Setsuo Yoshida ,  Kyosuke Sone ,  Tomohiro Ueno

IPC: H04J14/02

CPC classification number: H04B10/572 ,  H04J14/0204 ,  H04J14/0209 ,  H04J14/021 ,  H04J14/0213 ,  H04J14/022 ,  H04J14/0227

Abstract: An optical transmission device improved in quality and reliability of OADM function and permitting configuration of highly-flexible, economical OADM networks. A wavelength tunable filter variably selects a wavelength according to a control frequency. A filter controller applies the control frequency to the filter while scanning wavelength over an entire signal bandwidth, to detect, from a reference wavelength monitor signal supplied thereto, a reference control frequency which permits the filter to select a reference wavelength and according to which wavelength is matched. On receiving a wavelength selection request, the controller obtains a target control frequency from the reference control frequency and the position of a target wavelength relative to the reference wavelength, and applies the obtained frequency to the filter. A reference wavelength filter transmits the reference wavelength therethrough. A light-receiving element monitors the transmitted reference wavelength to generate the monitor signal.

Abstract translation: 一种光传输设备改进了OADM功能的质量和可靠性，并允许配置高度灵活，经济的OADM网络。 波长可调滤波器根据控制频率可变地选择波长。 滤波器控制器在整个信号带宽上扫描波长时将滤波器的控制频率施加到滤波器，从提供给其的参考波长监测信号中检测出允许滤波器选择参考波长的参考控制频率，根据哪个波长是 匹配。 在接收到波长选择请求时，控制器从参考控制频率和目标波长相对于参考波长的位置获得目标控制频率，并将获得的频率应用于滤波器。 参考波长滤波器透过参考波长。 光接收元件监测发射的参考波长以产生监测信号。

公开(公告)号：US20080068051A1

公开(公告)日：2008-03-20

申请号：US11727632

申请日：2007-03-27

Applicant: Masaji Noguchi ,  Tomohiro Ueno ,  Yutaka Kai ,  Setsuo Yoshida

Inventor： Masaji Noguchi ,  Tomohiro Ueno ,  Yutaka Kai ,  Setsuo Yoshida

IPC: H03K3/00

CPC classification number: H04Q11/0005 ,  H03K19/00346 ,  H04Q2011/0013 ,  H04Q2011/0039

Abstract: A driving circuit of a semiconductor optical amplifier type gate switch constituting a matrix optical switch is provided with an operation amplifier into which a driving signal is input and from which a current corresponding to the driving signal is output, an inductance element provided at an output terminal of the operation amplifier, and a circuit composed of a diode element and a resistor element connected in parallel and provided between the inductance element and the semiconductor optical amplifier.

Abstract translation: 构成矩阵光开关的半导体光放大型门极开关的驱动电路设置有输入驱动信号的运算放大器，输出与驱动信号对应的电流，设置在输出端子的电感元件 以及由并联连接并设置在电感元件和半导体光放大器之间的二极管元件和电阻元件构成的电路。

公开(公告)号：US20080044011A1

公开(公告)日：2008-02-21

申请号：US11525164

申请日：2006-09-22

Applicant: Setsuo Yoshida ,  Osamu Hirota ,  Hiroshi Onaka

Inventor： Setsuo Yoshida ,  Osamu Hirota ,  Hiroshi Onaka

IPC: H04L9/28

CPC classification number: H04L1/0045 ,  H04L9/0662 ,  H04L9/0852 ,  H04L9/12 ,  H04L25/4917 ,  H04L2209/127

Abstract: An encryption technique allowing use of classic Y-00 scheme performed using classic physical random numbers instead of quantum fluctuation in electrical communication and data storage in recording media, including a first modulation step for multilevel-modulating input data by associating with specific state pairs determined by physical random numbers, a second modulation step for outputting the output of the first step by irregularly associating with another signal by physical random numbers, and a channel coding step for channel-coding the output of the second step into desired codeword and outputting it as encrypted data, wherein the decoded signal obtained by channel-decoding the encrypted data can be discriminated which of specific state pairs the signal corresponds to and demodulated into the input data, and output by the first modulation by state pairs other than the specific state pairs and the second modulation by a physical random number different from the physical random number.

Abstract translation: 一种加密技术，允许使用经典的物理随机数而不是记录介质中的电气通信和数据存储中的量子波动执行的经典的Y-00方案，包括通过与通过与特定的状态对相关联的多电平调制输入数据的第一调制步骤 物理随机数，第二调制步骤，用于通过与物理随机数不同地与另一个信号相关联地输出第一步骤的输出;以及信道编码步骤，用于对第二步骤的输出进行信道编码为期望的码字，并将其输出为加密的 数据，其中通过对加密数据进行通道解码而获得的解码信号可以鉴别信号对应于哪个特定状态对并被解调成输入数据，并且通过除特定状态对之外的状态对通过第一调制输出， 通过与物理随机数不同的物理随机数进行二次调制 呃