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31. 发明授权

US06724526B1 Inter-wavelength light power deviation monitoring method and optical equalizer and optical amplifier utilizing the method 有权
标题翻译：波长间光功率偏差监测方法和采用该方法的光学均衡器和光放大器
公开(公告)号：US06724526B1
公开(公告)日：2004-04-20
申请号：US09628811
申请日：2000-07-28
申请人： Miki Onaka , Susumu Kinoshita
发明人： Miki Onaka , Susumu Kinoshita
IPC分类号： H01S300
CPC分类号： H04J14/0221 , H04B10/25073 , H04J14/0201 , H04J14/0208 , H04J14/021 , H04J14/0213
摘要： It is aimed at providing an inter-wavelength light power deviation monitoring method capable of directly measuring the signal light power to thereby detect the light power deviations among channels without requiring a higher wavelength resolution, and providing an optical equalizer and an optical amplifier adopting such a monitoring method. To this end, the monitoring method of the present invention comprises the steps of: obtaining channel information concerning WDM signal light; setting, based on the channel information, at least two measuring wavelength regions; measuring channel light power of the WDM signal light, for only the measuring wavelength regions; and obtaining light power ratio for the respective measuring wavelength regions making use of the measured values, to thereby judge the inter-wavelength light power deviations of the WDM signal light.
摘要翻译：本发明的目的在于提供一种能够直接测量信号光功率从而检测信道中的光功率偏差而不需要更高的波长分辨率的波长间光功率偏差监测方法，并且提供一种光均衡器和采用这种监测方法。为此，本发明的监视方法包括以下步骤：获得关于WDM信号光的信道信息; 基于所述信道信息设置至少两个测量波长区域; 测量WDM信号光的通道光功率，仅用于测量波长区域; 并且利用测量值获得各个测量波长区域的光功率比，从而判断WDM信号光的波长间光功率偏差。

32. 发明授权

US08837037B2 Optical delay device, optical circuit, and optical delay method 有权
标题翻译：光延时器，光电路和光延时器
公开(公告)号：US08837037B2
公开(公告)日：2014-09-16
申请号：US13425024
申请日：2012-03-20
申请人： Miki Onaka
发明人： Miki Onaka
IPC分类号： H01S3/00
CPC分类号： H01S3/235 , H01S3/005 , H01S3/06754 , H01S3/10007 , H01S5/50 , H04Q11/0003 , H04Q11/0066 , H04Q2011/002 , H04Q2011/0035
摘要： An optical delay device includes an optical path in which an input optical signal travels the same path recursively; an optical switch that switches between an output state of outputting the optical signal input to the optical path, and a non-output state of not outputting the optical signal input to the optical path; and a controller that sets the optical switch to the non-output state until a point in time when a given delay time elapses since input of the optical signal to the optical path and at the point in time when the given delay time elapses, switches the optical switch to the output state.
摘要翻译：光延迟装置包括光路，其中输入光信号以相同的路径递归地传播; 在输出到光路的光信号的输出状态和不输出输入到光路的光信号的非输出状态之间切换的光开关; 以及控制器，其将光开关设置为非输出状态，直到从光信号输入到光路并且在给定延迟时间过去的时间点经过给定延迟时间的时间点之后，切换光开关转为输出状态。

33. 发明授权

US08538264B2 Dispersion compensating apparatus, dispersion compensating method, optical receiving apparatus, and optical receiving method 有权
标题翻译：色散补偿装置，色散补偿方法，光接收装置和光接收方法
公开(公告)号：US08538264B2
公开(公告)日：2013-09-17
申请号：US12788773
申请日：2010-05-27
申请人： Masahiro Yuki , Tsukasa Takahashi , Miki Onaka , Norifumi Shukunami , Tatsuya Tsuzuki , Toshihiro Ohtani , Ryosuke Goto
发明人： Masahiro Yuki , Tsukasa Takahashi , Miki Onaka , Norifumi Shukunami , Tatsuya Tsuzuki , Toshihiro Ohtani , Ryosuke Goto
IPC分类号： H04B10/00 , H04B10/12 , H04J14/02
CPC分类号： H04B10/25133
摘要： A dispersion compensating apparatus includes a tunable dispersion compensator that dispersion-compensates an optical signal using a group delay property that is asymmetrical in bands outside an effective band; a set device that sets a dispersion compensation amount in the tunable dispersion compensator; and a shifter that shifts a central frequency of the effective band of the tunable dispersion compensator, based on the dispersion compensation amount set by the set device.
摘要翻译：色散补偿装置包括可调色散补偿器，其使用在有效频带之外的频带中不对称的组延迟特性对光信号进行色散补偿; 设置可调色散补偿器中的色散补偿量的集合装置; 以及基于由所述设定装置设定的色散补偿量，使所述可调色散补偿器的有效频带的中心频率偏移的移位器。

34. 发明授权

US08482849B2 Raman amplifier and control method thereof 有权
标题翻译：拉曼放大器及其控制方法
公开(公告)号：US08482849B2
公开(公告)日：2013-07-09
申请号：US12585045
申请日：2009-09-01
申请人： Miki Onaka
发明人： Miki Onaka
IPC分类号： H04B10/17 , H04B10/12
CPC分类号： H01S3/302 , H01S3/06754 , H01S3/06766 , H01S3/0677 , H01S3/094073 , H01S3/09408 , H01S3/1301 , H01S2301/04
摘要： A Raman amplifier, at the time of start up or the like, drives a predetermined number of pump light sources among a plurality of pump light sources, in a stable region, and judges a Raman gain in the transmission line, and based on the judgment result, specifies a pump light source to switch on and a pump light source to switch off, among the plurality of pump light sources, and controls the drive state of the pump light sources that are switched on. As a result, the plurality of pump light sources are appropriately driven corresponding to the system requirements so that stable behavior is possible, and constant control of Raman gain can be realized at a high accuracy.
摘要翻译：在启动等时，拉曼放大器在稳定区域中驱动多个泵浦光源中的预定数量的泵浦光源，并且判断传输线中的拉曼增益，并且基于判断结果，指定在多个泵浦光源之间开启的泵浦光源和泵浦光源关闭，并且控制被接通的泵浦光源的驱动状态。结果，根据系统要求适当地驱动多个泵浦光源，使得稳定的行为成为可能，并且可以高精度地实现拉曼增益的恒定控制。

35. 发明授权

US08315529B2 Optical receiver 有权
公开(公告)号：US08315529B2
公开(公告)日：2012-11-20
申请号：US12640381
申请日：2009-12-17
申请人： Miki Onaka
发明人： Miki Onaka
IPC分类号： H04B10/06
摘要： An optical receiver for receiving a wavelength channel signal light separated out of a wavelength division multiplexed signal light including a plurality of wavelength channel signal lights, the optical receiver includes an optical amplifier for amplifying the wavelength channel signal light, a cyclic filter having a transmission wavelength characteristic of periodically changing transmittance property for a wavelength interval between a wavelength of an adjacent wavelength channel signal light and a wavelength of the wavelength diversion multiplexed signal light, the cyclic filter passing the wavelength channel signal light amplified by the optical amplifier, and a demodulator operably connected to the cyclic filter for demodulating the wavelength channel signal light output from the cyclic filter into an electrical signal.

36. 发明授权

US07843631B2 Gain control apparatus, optical transmission apparatus, gain control method for optical amplifier, and wavelength multiplex optical transmission system 有权
标题翻译：增益控制装置，光传输装置，光放大器的增益控制方法和波长复用光传输系统
公开(公告)号：US07843631B2
公开(公告)日：2010-11-30
申请号：US11859842
申请日：2007-09-24
申请人： Miki Onaka , Hideaki Sugiya , Yasushi Sugaya , Etsuko Hayashi
发明人： Miki Onaka , Hideaki Sugiya , Yasushi Sugaya , Etsuko Hayashi
IPC分类号： H04B10/17 , H04B10/12
CPC分类号： H01S3/1301 , H01S3/06754 , H01S3/10015 , H01S3/1305 , H04B10/296
摘要： The present invention relates to an apparatus for controlling a gain of an optical amplifier, and the apparatus comprises a target gain calculating unit for calculating, as a target gain for an optical amplifier, a value obtained by increasing or decreasing a gain (output) of signal light as the number of wavelengths of wavelength-multiplexed signal light decreases, and a control signal outputting unit for outputting a control signal to the optical amplifier so as to amplify the wavelength-multiplexed signal light with the target gain calculated by the target gain calculating unit. This promptly suppresses a fluctuation of signal light level, particularly, a fluctuation of output light power of an optical amplifier stemming from a variation of the number of wavelengths of wavelength-multiplexed signal light.
摘要翻译：本发明涉及一种用于控制光放大器的增益的装置，该装置包括：目标增益计算单元，用于计算通过增加或减少增益（输出）获得的值作为光放大器的目标增益波长多路复用信号光的波长数的信号光减少;以及控制信号输出单元，用于向光放大器输出控制信号，以便以目标增益计算的目标增益放大波分复用信号光单元。这迅速地抑制信号光电平的波动，特别是由波长多路复用信号光的波长数的变化导致的光放大器的输出光功率的波动。

37. 发明申请

US20100221021A1 OPTICAL RECEIVER AND CONTROL APPARATUS 有权
标题翻译：光接收器和控制装置
公开(公告)号：US20100221021A1
公开(公告)日：2010-09-02
申请号：US12644038
申请日：2009-12-22
申请人： Miki Onaka , Kazuto Imai
发明人： Miki Onaka , Kazuto Imai
IPC分类号： H04B10/06
CPC分类号： H04B10/671 , H04J14/0201
摘要： An optical receiver that can receive WDM signal light in which first and second wavelength bands are combined. Within optical reception units corresponding to each channel is respectively provided tunable dispersion compensator (TDC) modules in which one wavelength band is made a design standard. When known, based on signal light channel information (wavelength, frequency, channel number) notified from outside, that signal light of the second wavelength band is being input to the receiver, then in the TDC module that performed chromatic dispersion compensation of the signal light, control is performed to shift the center frequency of the dispersion compensation range by a predetermined amount corresponding to the wavelength of the signal light. When the signal light of the first wavelength band is input, shift control of the dispersion compensation range is not performed, and the dispersion compensation range at the time of designing is maintained. As a result, chromatic dispersion compensation of signal light of respective wavelength bands can be performed with high accuracy by one type of TDC.
摘要翻译：可以接收其中组合第一和第二波长带的WDM信号光的光接收器。内对应于每个信道的光接收单元被分别设置可调谐色散补偿器（TDC）的模块，其中一个波长带是由一个设计标准。当公知的，基于从外部通知的信号光的信道信息（波长，频率，信道数），所述第二波长频带的该信号光被输入到接收器，则在所执行的信号光的色散补偿的TDC模块，执行控制以将色散补偿范围的中心频率移动与信号光的波长对应的预定量。当输入第一波长带的信号光时，不执行色散补偿范围的偏移控制，并且维持设计时的色散补偿范围。结果，可以通过一种类型的TDC以高精度执行各波段的信号光的色散补偿。

38. 发明授权

US07522839B2 Method of upgrading optical node, and an optical node apparatus 有权
标题翻译：光节点升级方法，光节点装置
公开(公告)号：US07522839B2
公开(公告)日：2009-04-21
申请号：US11319376
申请日：2005-12-29
申请人： Miki Onaka , Yasushi Sugaya , Takahumi Terahara , Satoru Okano , Takehiro Fujita , Hiroaki Tomofuji , Ichiro Nakajima
发明人： Miki Onaka , Yasushi Sugaya , Takahumi Terahara , Satoru Okano , Takehiro Fujita , Hiroaki Tomofuji , Ichiro Nakajima
IPC分类号： H04B10/08 , H04J14/02
CPC分类号： H04J14/0221 , H04J14/0204 , H04J14/0212 , H04J14/0219
摘要： An optical node apparatus according to the present invention amplifies a WDM signal light input to an input port, and thereafter, branches the amplified WDM signal light by an optical branching coupler to send the branched lights to first and second optical paths, and selects the light propagated through the first optical path by an optical switch to amplify the selected light by a post-amplifier, thereby outputting the amplified light from an output port, when the optical node apparatus is operated as an optical amplification repeating node. When the operational state is upgraded to an optical add/drop multiplexing node, an OADM section is connected between a set of connecting ports on the second optical path, and the adjustment of the OADM section is performed utilizing the WDM signal light branched by the optical branching coupler, and thereafter, the switching of the optical switch is performed to select the light on the second optical path side. As a result, since the switching the operational state from the optical amplification repeating node to the OADM node can be performed in a short time, it becomes possible to provide the continued communication service at the low initial installation cost.
摘要翻译：根据本发明的光节点装置放大输入到输入端口的WDM信号光，然后通过光分路耦合器对放大的WDM信号光进行分支，以将分支光发送到第一和第二光路，并选择光通过光开关通过第一光路传播，以通过后置放大器放大所选择的光，从而当光节点装置作为光放大重复节点工作时，从输出端口输出放大的光。当操作状态升级为光分插复用节点时，OADM部分连接在第二光路上的一组连接端口之间，并且利用由光学分支的WDM信号光进行OADM部分的调整分支耦合器，然后进行光开关的切换以选择第二光路侧的光。结果，由于可以在短时间内将操作状态从光放大重复节点切换到OADM节点，所以可以以低的初始安装成本提供持续的通信服务。

39. 发明申请

US20090016727A1 OPTICAL TRANSMISSION APPARATUS 有权
标题翻译：光传输装置
公开(公告)号：US20090016727A1
公开(公告)日：2009-01-15
申请号：US12169454
申请日：2008-07-08
申请人： Taichi Ueki , Miki Onaka
发明人： Taichi Ueki , Miki Onaka
IPC分类号： H04J14/02
CPC分类号： H04J14/0221 , H04B10/07955 , H04B10/294 , H04J14/0204 , H04J14/0217
摘要： An optical transmission apparatus includes a reception part for receiving a wavelength division multiplexed (WDM) signal reached via optical amplifiers; a measuring part for measuring an optical power level of each wavelength of the WDM signal received by the reception part; a determination part for determining whether an amount of tilt of the WDM signal calculated based on measurement results of the measuring part is suitable or not; an operation part for calculating the tilt correction amount to be applied to tilt correction processing performed by the optical amplifiers if the amount of tilt of the WDM signal is not suitable; and a notification part for notifying the optical amplifiers of the tilt correction amount.
摘要翻译：光传输装置包括用于接收通过光放大器到达的波分复用（WDM）信号的接收部分; 测量部分，用于测量由接收部分接收的WDM信号的每个波长的光功率电平; 确定部分，用于确定基于测量部分的测量结果计算出的WDM信号的倾斜量是否合适; 操作部，用于如果WDM信号的倾斜量不合适，则计算用于由光放大器执行的倾斜校正处理的倾斜校正量; 以及用于通知光放大器倾斜校正量的通知部。

40. 发明授权

US07268936B2 Optical amplifier having polarization mode dispersion compensation function 有权
标题翻译：具有偏振模色散补偿功能的光放大器
公开(公告)号：US07268936B2
公开(公告)日：2007-09-11
申请号：US10761296
申请日：2004-01-22
申请人： Miki Onaka , Etsuko Hayashi , Yasushi Sugaya
发明人： Miki Onaka , Etsuko Hayashi , Yasushi Sugaya
IPC分类号： H04B10/18 , H01S3/10
CPC分类号： H04B10/291 , H04B10/2569
摘要： An object of the present invention is to provide at low cost, a highly functional and small size optical amplifier, which realizes a polarization mode dispersion (PMD) compensation function and an optical amplifying function, with a simple construction. To this end, the optical amplifier of the present invention comprises: a polarization control section that controls the polarization state of input signal light; a PMD generation section that receives the signal light from the polarization control section at a polarization-preserving fiber thereof doped with a rare earth element, and gives a differential group delay between orthogonal polarization mode components of the signal light to perform PMD compensation and at the same time amplifies the signal light; a pumping light supply section that supplies pumping light to the polarization-preserving fiber; a monitoring section that monitors the PMD generation state of the signal light from the PMD generation section, and the like; and a control section that controls the polarization control section and the pumping light supply section based on the monitor results of the monitoring section.
摘要翻译：本发明的目的是提供一种低功耗和小尺寸的光放大器，其实现了具有简单结构的偏振模色散（PMD）补偿功能和光放大功能。为此，本发明的光放大器包括：偏振控制部，其控制输入信号光的偏振状态; PMD生成部，其在掺杂有稀土元素的偏振光保留光纤处接收来自偏振光控制部的信号光，并且在信号光的正交偏振模式分量之间给出差分组延迟以执行PMD补偿，并且在同时放大信号灯; 泵浦光供给部，其向所述偏振光保持光纤供给泵浦光; 监视来自PMD生成部的信号光的PMD生成状态的监视部等，以及控制部，其基于监视部的监视结果来控制偏振控制部和泵送光供给部。

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