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71. 发明申请

US20050175357A1 UWB signal generator using optical FSK modulator 失效
标题翻译： UWB信号发生器采用光纤FSK调制器
公开(公告)号：US20050175357A1
公开(公告)日：2005-08-11
申请号：US11038767
申请日：2005-01-21
申请人： Tetsuya Kawanishi , Masayuki Izutsu
发明人： Tetsuya Kawanishi , Masayuki Izutsu
IPC分类号： G02F1/05 , H04B1/7163 , H04B10/516 , H04B10/548 , H04B10/61 , H04J13/00 , H04L25/49 , H04B10/04
CPC分类号： H04B1/7174
摘要： A UWB signal generator includes: a laser light source for generating laser light, an optical intensity modulator for modulating an intensity of laser light from the laser light source, a signal source of the optical intensity modulator for outputting a signal transmitted to the optical intensity modulator, an optical frequency shift keying (optical FSK) modulator to which output light from the optical intensity modulator is input, a signal source for controlling a signal transmitted to an RFC electrode of the optical FSK modulator, a high-frequency electric signal source for controlling a signal transmitted to an RFA electrode and an RFB electrode of the optical FSK modulator, and a high-speed photodetector for detecting an output from the optical FSK modulator.
摘要翻译： UWB信号发生器包括：用于产生激光的激光源，用于调制来自激光光源的激光强度的光强度调制器，用于输出发送到光强度调制器的信号的光强度调制器的信号源输入来自光强度调制器的输出光的光频移键控（光FSK）调制器，用于控制发送到光FSK调制器的RF电极的信号的信号源，高频电信号源，用于控制发送到光FSK调制器的RFA电极和RF B电极的信号;以及高速光电检测器，用于检测从光FSK调制器输出。

72. 发明授权

US06707586B2 Optical frequency converter using reciprocating modulation 失效
标题翻译：光变频器采用往复式调制
公开(公告)号：US06707586B2
公开(公告)日：2004-03-16
申请号：US09886251
申请日：2001-06-22
申请人： Tetsuya Kawanishi
发明人： Tetsuya Kawanishi
IPC分类号： G02B2600
CPC分类号： G02F2/02 , G02F2201/17 , G02F2201/307
摘要： An optical frequency converter using reciprocating modulation includes a device that, taking n as a predetermined integer of 1 or more, modulates light of a predetermined frequency to produce an nth order sideband group thereof, a device that modulates the nth order sideband group to produce an (n+1)th order sideband group, and a device that selects a specific sideband from a plurality of sideband groups.
摘要翻译：使用往复式调制的光频变频器包括以n为1以上的规定的整数的n个调制预定频率的光以产生其n阶边带组的装置，调制n阶边带组以产生（n + 1）个边带组，以及从多个边带组中选择特定边带的装置。

73. 发明授权

US08446591B2 Method for evaluating characteristics of optical modulator having Mach-Zehnder interferometers 有权
标题翻译：用于评估具有马赫 - 策德尔干涉仪的光学调制器的特性的方法
公开(公告)号：US08446591B2
公开(公告)日：2013-05-21
申请号：US12921833
申请日：2008-03-13
申请人： Tetsuya Kawanishi , Shinya Nakajima , Satoshi Shinada
发明人： Tetsuya Kawanishi , Shinya Nakajima , Satoshi Shinada
IPC分类号： G01N21/55 , G01B9/02 , H04B10/04 , H04B10/12
CPC分类号： G01B9/02 , G01M11/00 , G02F1/2255 , G02F2001/212 , G02F2201/18 , G02F2203/25 , G02F2203/69
摘要： ProblemsTo provide a method for evaluating characteristics of MZ interferometers in an optical modulator having a plurality of MZ interferometers.Means for Solving ProblemsWhen an optical modulator includes a plurality of MZ interferometers, the 0-degree component contains a signal derived from an MZ interferometer other than the MZ interferometers for evaluating the characteristic. For this, it is impossible to accurately evaluate the characteristic of the MZ interferometers. The present invention does not use the 0-degree component normally having the highest intensity. That is, the characteristic of the MZ interferometers are evaluated by using a side band intensity of the component other than the 0-degree component.
摘要翻译：问题提供一种用于评估具有多个MZ干涉仪的光调制器中的MZ干涉仪的特性的方法。解决问题的手段当光调制器包括多个MZ干涉仪时，0度分量包含从用于评估特性的MZ干涉仪以外的MZ干涉仪导出的信号。为此，不可能准确地评估MZ干涉仪的特性。本发明不使用通常具有最高强度的0度组分。也就是说，通过使用除了0度分量之外的分量的边带强度来评估MZ干涉仪的特性。

74. 发明授权

US08005371B2 Multi-wavelength signal generation device and multi-wavelength light generation method 有权
标题翻译：多波长信号发生装置和多波长发光方法
公开(公告)号：US08005371B2
公开(公告)日：2011-08-23
申请号：US11658128
申请日：2005-07-19
申请人： Tetsuya Kawanishi , Masayuki Izutsu
发明人： Tetsuya Kawanishi , Masayuki Izutsu
IPC分类号： H04B10/00
CPC分类号： G02F2/02 , G02F2203/56 , H04B10/506
摘要： A multiple wavelength signal generation device of the present invention is a multiple wavelength signal generation device having an optical comb generator for obtaining an input light and a group of lights shifted from the input light by predetermined frequencies; and an optical adjusting portion adjusting lights to be inputted to the optical comb generator; wherein the optical comb generator is composed of an optical fiber loop (105) which is provided with an optical SSB modulator (101), an optical amplifier (102) for compensating a conversion loss at the optical SSB modulator, an optical input port (103) for inputting lights from the light source, and an optical output port (104) for outputting lights, and the optical adjusting portion is composed of a phase modulator, an intensity modulator, or a frequency modulator.
摘要翻译：本发明的多波长信号发生装置是具有光梳发生器的多波长信号发生装置，用于获得从输入光以预定频率偏移的输入光和一组光; 以及光调节部分，调节要输入到所述光梳发生器的光; 其中所述光梳发生器由光纤环路（105）组成，所述光纤环路设有光学SSB调制器（101），用于补偿光学SSB调制器处的转换损耗的光放大器（102），光输入端口）和用于输出光的光学输出端口（104），并且所述光学调节部分由相位调制器，强度调制器或频率调制器组成。

75. 发明授权

US07962039B2 Multiple wavelength light source, and generation method for multiple wavelength light 有权
标题翻译：多波长光源，多波长光源的生成方法
公开(公告)号：US07962039B2
公开(公告)日：2011-06-14
申请号：US11571282
申请日：2005-06-29
申请人： Tetsuya Kawanishi , Masayuki Izutsu
发明人： Tetsuya Kawanishi , Masayuki Izutsu
IPC分类号： H04B10/02 , H04B10/04 , H04J14/02
CPC分类号： H04B10/506 , G02F2/02 , G02F2203/56
摘要： It is an object of the present invention to provide a multiple wavelength light source capable of generating lights of more wavelengths, and a generation method for multiple wavelength light using a multiple wavelength light source.A multiple wavelength light source of the present invention is a multiple wavelength light source having an optical comb generator for obtaining an input light and a group of lights shifted from the input light by predetermined frequencies; and an optical adjusting portion adjusting lights to be inputted to the optical comb generator; wherein the optical comb generator is composed of an optical fiber loop (105) which is provided with an optical SSB modulator (101), an optical amplifier (102) for compensating a conversion loss at the optical SSB modulator, an optical input port (103) for inputting lights from the light source, and an optical output port (104) for outputting lights, and the optical adjusting portion obtains a plurality of lights having different wavelengths.
摘要翻译：本发明的目的是提供能够产生更多波长的光的多波长光源，以及使用多波长光源的多波长光的产生方法。本发明的多波长光源是具有光梳发生器的多波长光源，用于获得从输入光以预定频率偏移的输入光和一组光; 以及光调节部分，调节要输入到所述光梳发生器的光; 其中所述光梳发生器由光纤环路（105）组成，所述光纤环路设有光学SSB调制器（101），用于补偿光学SSB调制器处的转换损耗的光放大器（102），光输入端口）和用于输出光的光输出端口（104），并且光调节部分获得具有不同波长的多个光。

76. 发明申请

US20110019199A1 METHOD FOR EVALUATING CHARACTERISTICS OF OPTICAL MODULATOR HAVING HIGH-PRECISION MACH-ZEHNDER INTERFEROMETERS 有权
标题翻译：具有高精度MACH-ZEHNDER干涉仪的光学调制器特性评估方法
公开(公告)号：US20110019199A1
公开(公告)日：2011-01-27
申请号：US12921235
申请日：2008-03-07
申请人： Tetsuya Kawanishi , Shinya Nakajima , Satoshi Shinada
发明人： Tetsuya Kawanishi , Shinya Nakajima , Satoshi Shinada
IPC分类号： G01B9/02
CPC分类号： G02F1/225 , G02F2001/212 , G02F2201/18 , G02F2203/69
摘要： Problem An object is to provide a method for evaluating characteristics of individual Mach-Zehnder (MZ) interferometers in an optical modulator which includes a plurality of MZ interferometers.Means for Solving Problems The method comprises a step for adjusting a bias voltage of the MZ interferometer, a step for eliminating zero-order components, a step for measuring an output intensity and a step for evaluating characteristics. An optical modulator (1) includes the first MZ interferometer (2) and the second MZ interferometer (3). The first MZ interferometer (2) includes wave-branching section (5). Two arms (6,7), wave coupling section (8) and electrodes which is not shown in figures.
摘要翻译：问题目的是提供一种用于评估包括多个MZ干涉仪的光学调制器中的各个马赫 - 曾德（MZ）干涉仪的特性的方法。解决问题的手段该方法包括用于调整MZ干涉仪的偏置电压的步骤，消除零阶分量的步骤，用于测量输出强度的步骤和用于评估特性的步骤。光调制器（1）包括第一MZ干涉仪（2）和第二MZ干涉仪（3）。第一MZ干涉仪（2）包括波分支部分（5）。两个臂（6,7），波形耦合部分（8）和电极，未示于图中。

77. 发明授权

US07522844B2 Multiple-wavelength optical modulation apparatus 有权
标题翻译：多波长光调制装置
公开(公告)号：US07522844B2
公开(公告)日：2009-04-21
申请号：US11103494
申请日：2005-04-12
申请人： Tetsuya Kawanishi , Masayuki Izutsu
发明人： Tetsuya Kawanishi , Masayuki Izutsu
IPC分类号： H04B10/04
CPC分类号： H04B10/505 , H04B10/506
摘要： An apparatus is provided for using modulation signals to optically modulate a plural input lightwaves of multiple frequencies, including an input filter, an optical modulator configured to simultaneously modulate the plural input lightwaves by their respective modulation signals, and an output filter disposed on a single optical path; a multiple round-trip optical path formed by the plural input lightwaves input through the input filter being reflected in round trips by the input filter and output filter and being modulated by the modulator each time the lightwaves makes a round trip and output through the output filter or the input filter when the lightwaves have reached a frequency determined by the output filter or the input filter. The time required for each light component of channel n to make a round trip is an integer multiple of one period of each modulation signal (=1/Fn).
摘要翻译：提供一种装置，用于使用调制信号来光学地调制多个频率的多个输入光波，包括输入滤波器，被配置为通过它们各自的调制信号同时调制多个输入光波的光调制器和设置在单个光学器件上的输出滤波器路径; 由通过输入滤波器输入的多个输入光波形成的多路往返光路由输入滤波器和输出滤波器在往返中反射，并且每当光波进行往返时被调制器调制并通过输出滤波器输出或者当光波达到由输出滤波器或输入滤波器确定的频率时的输入滤波器。通道n的每个光分量进行往返所需的时间是每个调制信号（= 1 / Fn）的一个周期的整数倍。

78. 发明授权

US07239763B2 Optical SSB modulator 有权
标题翻译：光学SSB调制器
公开(公告)号：US07239763B2
公开(公告)日：2007-07-03
申请号：US11085609
申请日：2005-03-22
申请人： Tetsuya Kawanishi , Masayuki Izutsu , Kaoru Higuma , Shingo Mori
发明人： Tetsuya Kawanishi , Masayuki Izutsu , Kaoru Higuma , Shingo Mori
IPC分类号： G02F1/225
CPC分类号： G02F1/3136 , G02F1/0123 , G02F1/035 , G02F1/225 , G02F2001/212
摘要： An optical SSB modulator capable of appropriately adjusting a phase difference of light in the MZ waveguides and automatically adjusting a voltage impressed to the bias adjustment electrodes is provided. The above-mentioned object is achieved by an optical SSB modulator (1) provided with a first sub Mach-Zehnder waveguide (MZA) (2), a second sub Mach-Zehnder waveguide (MZB) (3), a main Mach-Zehnder waveguide (MZC) (4), a first bias adjustment electrode (DCA electrode) (5), a second bias adjustment electrode (DCB electrode) (6), a first modulation electrode (RFA electrode) (7), a second modulation electrode (RFB electrode) (8) and a third bias adjustment electrode (DCC electrode) (9), wherein either one of or both of output portions (10, 11) of the MZA and the MZB have an X-branching form, and specifically having one of light paths of the X-branching connected to a photodetector.
摘要翻译：提供一种能够适当地调整MZ波导中的光的相位差并自动调节施加到偏置调节电极的电压的光学SSB调制器。上述目的通过一种光学SSB调制器（1）来实现，所述光学SSB调制器（1）设置有第一子马赫 - 曾德尔波导（MZ）和第二子马赫 - 曾德尔波导（MZ＆lt; SUB＆amp; （3），主马赫 - 曾德尔波导（MZ）C（4），第一偏置调节电极（DCA电极）（ 5），第二偏置调整电极（DCB电极）（6），第一调制电极（RFA电极）（7），第二调制电极（RF B电极）（8）和第三偏置调整电极（DC电极）（9），其中，输出部分（10,11）中的任一个或两个 MZA A和MZ B B具有X分支形式，并且具体地将X分支的光路中的一个连接到光电检测器。

79. 发明授权

US07212331B2 Reciprocating optical modulator 失效
标题翻译：往复式光调制器
公开(公告)号：US07212331B2
公开(公告)日：2007-05-01
申请号：US11094761
申请日：2005-03-31
申请人： Tetsuya Kawanishi , Masayuki Izutsu
发明人： Tetsuya Kawanishi , Masayuki Izutsu
IPC分类号： G02F1/00 , G02B26/00
CPC分类号： G02F1/0356 , G02F1/2255 , G02F2201/17 , G02F2201/307 , G02F2202/20 , H01S3/0085 , H01S3/1608
摘要： A reciprocating optical modulator includes a continuous light path fulfilling an amplification function, an optical modulation part formed on the light path, a first optical band-pass filter and a second optical band-pass filter formed to nip the optical modulation part therebetween and a device to introduce exciting light for exciting the light path. The optical modulation part, first and second optical band-pass filters and device are disposed on the light path as formed in a single optical crystal or in a multiplicity of optical crystals. The first optical band-pass filter admits incident light and reflects light having the incident light modulated. The second optical bandpass filter reflects the incident light and emits the light having the incident light modulated. The modulator can also include a third optical band-pass filter disposed between the optical modulation part and the second optical band-pass filter for removing the incident light.
摘要翻译：往复式光学调制器包括实现放大功能的连续光路，形成在光路上的光调制部分，第一光学带通滤光器和形成为夹持光调制部分的第二光带通滤波器，引入激动人心的光线激发光线。光学调制部分，第一和第二光学带通滤波器和器件设置在单个光学晶体或多个光学晶体中形成的光路上。第一光学带通滤波器承认入射光并且反射具有入射光调制的光。第二光学带通滤波器反射入射光并发射具有入射光调制的光。调制器还可以包括设置在光学调制部分和第二光学带通滤波器之间用于去除入射光的第三光学带通滤波器。

80. 发明申请

US20070030556A1 Optical frequency converter 有权
标题翻译：光变频器
公开(公告)号：US20070030556A1
公开(公告)日：2007-02-08
申请号：US11546984
申请日：2006-10-13
申请人： Tetsuya Kawanishi
发明人： Tetsuya Kawanishi
IPC分类号： G02F1/35
CPC分类号： H04B10/50 , G02F1/353 , G02F2/02 , G02F2001/3542 , G02F2203/56
摘要： An optical frequency converter that can use a low-amplitude, high-frequency signal for converting a wide range of optical frequencies. The optical frequency converter includes a device for modulating a lightwave of a preset frequency with a modulation signal to generate a group of sidebands thereof, a device for selecting sidebands from among the group of sidebands, and a device for changing modulation signal frequencies and selecting specific sidebands.
摘要翻译：一种可以使用低幅度，高频信号转换宽范围的光频率的光学变频器。光变频器包括用调制信号调制预设频率的光波的装置，以产生一组边带，用于从边带组中选择边带的装置，以及用于改变调制信号频率的装置，并选择具体的边带。

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