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    • 1. 发明授权
    • Control method and control apparatus of optical device
    • 光学装置的控制方法和控制装置
    • US07362925B2
    • 2008-04-22
    • US11144607
    • 2005-06-06
    • Hideyuki MiyataHiroshi OnakaTadao NakazawaYutaka KaiHiroshi MiyataYoichi TakasuNaoki Hashimoto
    • Hideyuki MiyataHiroshi OnakaTadao NakazawaYutaka KaiHiroshi MiyataYoichi TakasuNaoki Hashimoto
    • G02F1/1335
    • H04J14/0221G02F1/0121G02F2203/585H04B10/0795H04B10/07953H04B10/0797
    • The present invention aims at providing a control method and a control apparatus for controlling the operation setting of an optical device with high accuracy, so as to reliably obtain characteristics according to a desired relationship to be set corresponding to a signal light, immediately after the control start. To this end, the control apparatus of the present invention comprises an optical coupler that branches a part of a main signal light input to the optical device, a monitoring optical device that operates in accordance with a control parameter same as for the optical device, and processes the monitor light branched by the optical coupler, a light receiver that receives the monitor light processed by the monitoring optical device, a detecting circuit that detects a relationship between the monitor light received by the light receiver, and the wavelength or optical power of the signal light, and a controlling circuit that adjust the control parameter for the optical device to control the operation setting, based on the relationship detected by the detecting circuit, so that characteristics of the optical device become capable of realizing the relationship to be set corresponding to the signal light.
    • 本发明旨在提供一种用于高精度地控制光学装置的操作设置的控制方法和控制装置,以便在控制之后立即根据与信号光对应的期望关系可靠地获得特性 开始。 为此,本发明的控制装置包括将输入到光学装置的主信号光的一部分分支的光耦合器,根据与光学装置相同的控制参数进行操作的监视光学装置,以及 处理由光耦合器分支的监视光,接收由监视光学装置处理的监视光的光接收器,检测由光接收器接收的监视光之间的关系的检测电路以及光接收器的波长或光功率 信号灯,以及控制电路,其根据由检测电路检测到的关系调整光学装置的控制参数以控制操作设置,使得光学装置的特性变得能够实现与 信号灯。
    • 2. 发明授权
    • Control method and control apparatus of optical device
    • 光学装置的控制方法和控制装置
    • US06934433B2
    • 2005-08-23
    • US10106315
    • 2002-03-27
    • Hideyuki MiyataHiroshi OnakaTadao NakazawaYutaka KaiHiroshi MiyataYoichi TakasuNaoki Hashimoto
    • Hideyuki MiyataHiroshi OnakaTadao NakazawaYutaka KaiHiroshi MiyataYoichi TakasuNaoki Hashimoto
    • G02B6/30G02B5/30G02B6/12G02B6/122G02F1/01G02F1/11G02F1/125G02F1/31H04J14/02G02B6/26
    • H04J14/0221G02F1/0121G02F2203/585H04B10/0795H04B10/07953H04B10/0797
    • The present invention aims at providing a control method and a control apparatus for controlling the operation setting of an optical device with high accuracy, so as to reliably obtain characteristics according to a desired relationship to be set corresponding to a signal light, immediately after the control start. To this end, the control apparatus of the present invention comprises an optical coupler that branches a part of a main signal light input to the optical device, a monitoring optical device that operates in accordance with a control parameter same as for the optical device, and processes the monitor light branched by the optical coupler, a light receiver that receives the monitor light processed by the monitoring optical device, a detecting circuit that detects a relationship between the monitor light received by the light receiver, and the wavelength or optical power of the signal light, and a controlling circuit that adjust the control parameter for the optical device to control the operation setting, based on the relationship detected by the detecting circuit, so that characteristics of the optical device become capable of realizing the relationship to be set corresponding to the signal light.
    • 本发明旨在提供一种用于高精度地控制光学装置的操作设置的控制方法和控制装置,以便在控制之后立即根据与信号光对应的期望关系可靠地获得特性 开始。 为此,本发明的控制装置包括将输入到光学装置的主信号光的一部分分支的光耦合器,根据与光学装置相同的控制参数进行操作的监视光学装置,以及 处理由光耦合器分支的监视光,接收由监视光学装置处理的监视光的光接收器,检测由光接收器接收的监视光之间的关系的检测电路以及光接收器的波长或光功率 信号灯,以及控制电路,其根据由检测电路检测到的关系调整光学装置的控制参数以控制操作设置,使得光学装置的特性变得能够实现与 信号灯。
    • 7. 发明授权
    • Wavelength locker and wavelength discriminating apparatus
    • 波长锁定器和波长识别装置
    • US06782017B1
    • 2004-08-24
    • US09560151
    • 2000-04-28
    • Yutaka KaiHideyuki MiyataHiroshi Onaka
    • Yutaka KaiHideyuki MiyataHiroshi Onaka
    • H01S313
    • H04B10/572H01S5/0078H01S5/0687H04B10/506
    • An object of the invention is to provide a wavelength locker which has a wider locking range than that of the wavelength locker in the prior art and which can cope with a plurality of wavelengths. The aforementioned objects are achieved by a wavelength locker, which comprises a periodic filter, a detecting part for detecting the intensity of a laser beam through the periodic filter, and a controlling part for controlling the wavelength of the laser beam to a desired wavelength in accordance with the output of the detecting part. In this wavelength locker, the FSR of the periodical filter is controlled according to space between the wavelengths, and refers to the number of wavelength to be locked, so that the characteristics corresponding to output wavelengths that vary in every period twice the space of wavelengths and are complementary to each other, can be obtained, and the locking range will become wider.
    • 本发明的目的是提供一种具有比现有技术中的波长锁定器更宽的锁定范围并且可以应付多个波长的波长锁定器。 上述目的通过一种波长锁定器实现,该波长锁定器包括周期滤波器,用于检测通过周期滤波器的激光束的强度的检测部分,以及用于将激光束的波长控制为所需波长的控制部分 与检测部分的输出。 在该波长锁定器中,周期滤波器的FSR根据波长之间的空间来控制,并且是指要锁定的波长的数量,使得对应于输出波长的特性在每个周期中变化是波长空间的两倍, 互补,可以获得,锁定范围将变宽。
    • 8. 发明授权
    • Optical transmission device
    • 光传输装置
    • US07406262B2
    • 2008-07-29
    • US11082958
    • 2005-03-18
    • Goji NakagawaHideyuki MiyataYutaka KaiHiroshi OnakaSetsuo YoshidaKyosuke SoneTomohiro Ueno
    • Goji NakagawaHideyuki MiyataYutaka KaiHiroshi OnakaSetsuo YoshidaKyosuke SoneTomohiro Ueno
    • H04J14/02
    • H04B10/572H04J14/0204H04J14/0209H04J14/021H04J14/0213H04J14/022H04J14/0227
    • 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.
    • 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。
    • 10. 发明授权
    • Optical cross connect unit, optical add-drop multiplexer, light source unit, and adding unit
    • US06285479B1
    • 2001-09-04
    • US09050105
    • 1998-03-30
    • Kazue OkazakiHiroshi OnakaHideyuki MiyataYutaka KaiTerumi Chikama
    • Kazue OkazakiHiroshi OnakaHideyuki MiyataYutaka KaiTerumi Chikama
    • H04J1402
    • H04Q11/0005H04J14/0204H04J14/0205H04J14/021H04J14/0212H04J14/0213H04J14/0217H04J14/0221H04M1/274558H04M1/274583H04M2250/60H04Q2011/0016H04Q2011/0018H04Q2011/0024H04Q2011/0045H04Q2011/0049
    • The present invention relates to an optical cross connect unit comprising M wavelength separating sections for receiving multiplexed optical signals each having N kinds of wavelengths different from each other through M optical fibers, respectively, and for wavelength-separating each of the multiplexed optical signals into N optical signals, M optical reproduction relay sections each for conducting an optical reproduction and relay in a manner of making a conversion of each of the N optical signals, wavelength-separated in each of the wavelength separating sections, into an electric signal and then modulating it with a desired optical wavelength, a refill section for mutually refilling M sets of optical signals optically reproduced and relayed in the optical reproduction relay sections, a focusing section for focusing the M sets of optical signals refilled in the refill section, and a light source unit for supplying input lights having desired wavelengths to be modulated in the M optical reproduction relay sections. The light source unit includes N light sources for outputting lights having the N kinds of optical wavelengths, a multiplexing and branching section for multiplexing the lights from the N light sources to produce a multiplexed light having N kinds of optical wavelength components and further for branching the multiplexed light into M×N lights to output them as multiplexed and distributed lights, M wavelength filter sections for distributively receiving N multiplexed and distributed lights of the M×N multiplexed and distributed lights branched in the multiplexing and branching section to output N lights due to the passage of only arbitrary wavelengths of the N kinds of optical wavelengths, and a wavelength setting control section for setting optical wavelengths, which pass through the wavelength filter sections, so that they differ from each other. The N lights from each of the M wavelength filter sections are supplied as the input lights. In the case that many light sources are necessary for the modulation processing by modulators or the like, this optical cross connect unit is also suitable because of using given wavelengths from a small number of light sources for a lot of modulation processing.