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1. 发明申请

US20110157673A1 OPTICAL MODULATOR 有权
标题翻译：光学调制器
公开(公告)号：US20110157673A1
公开(公告)日：2011-06-30
申请号：US13022896
申请日：2011-02-08
申请人： Osamu MITOMI , Yasunori Iwasaki , Yuji Hori , Kenji Aoki , Jungo Kondo
发明人： Osamu MITOMI , Yasunori Iwasaki , Yuji Hori , Kenji Aoki , Jungo Kondo
IPC分类号： G02F1/01
CPC分类号： G02F1/2255
摘要： An optical modulator includes an optical modulation substrate, an electrical length adjusting substrate, a package containing the substrates, and a plurality of input ports for inputting high frequency electrical signals. The optical modulation substrate includes a substrate body made of an electro-optic material, a ground electrode and a plurality of signal electrodes provided on the substrate body, optical waveguides propagating lights interacting with the signal electrodes, respectively, and electrode input ports inputting the high frequency electrical signals into the signal electrodes, respectively. The signal electrode includes an interacting part, an input end part provided between the electrode input port and interacting part, and a terminal part. The electrical length adjusting substrate includes conductive lines connected to the input ports for inputting the high frequency electrical signals, respectively. The conductive lines have electrical lengths different from each other for adjusting the phase differences among the ports.
摘要翻译：光调制器包括光调制基板，电长度调节基板，包含基板的封装以及用于输入高频电信号的多个输入端口。光调制基板包括由电光材料制成的基板主体，接地电极和设置在基板主体上的多个信号电极，分别与信号电极相互作用的光波导传播光和输入高电平的电极输入端频率电信号分别进入信号电极。信号电极包括相互作用部分，设置在电极输入端口和相互作用部分之间的输入端部分和端子部分。电长度调节基板包括分别连接到用于输入高频电信号的输入端口的导线。导线具有彼此不同的电长度，用于调节端口之间的相位差。

2. 发明授权

US08411349B2 Optical modulator 有权
标题翻译：光调制器
公开(公告)号：US08411349B2
公开(公告)日：2013-04-02
申请号：US13022896
申请日：2011-02-08
申请人： Osamu Mitomi , Yasunori Iwasaki , Yuji Hori , Kenji Aoki , Jungo Kondo
发明人： Osamu Mitomi , Yasunori Iwasaki , Yuji Hori , Kenji Aoki , Jungo Kondo
IPC分类号： G02F1/01 , G02F1/03 , H04B10/04
CPC分类号： G02F1/2255
摘要： An optical modulator includes an optical modulation substrate, an electrical length adjusting substrate, a package containing the substrates, and a plurality of input ports for inputting high frequency electrical signals. The optical modulation substrate includes a substrate body made of an electro-optic material, a ground electrode and a plurality of signal electrodes provided on the substrate body, optical waveguides propagating lights interacting with the signal electrodes, respectively, and electrode input ports inputting the high frequency electrical signals into the signal electrodes, respectively. The signal electrode includes an interacting part, an input end part provided between the electrode input port and interacting part, and a terminal part. The electrical length adjusting substrate includes conductive lines connected to the input ports for inputting the high frequency electrical signals, respectively. The conductive lines have electrical lengths different from each other for adjusting the phase differences among the ports.
摘要翻译：光调制器包括光调制基板，电长度调节基板，包含基板的封装以及用于输入高频电信号的多个输入端口。光调制基板包括由电光材料制成的基板主体，接地电极和设置在基板主体上的多个信号电极，分别与信号电极相互作用的光波导传播光和输入高电平的电极输入端频率电信号分别进入信号电极。信号电极包括相互作用部分，设置在电极输入端口和相互作用部分之间的输入端部分和端子部分。电长度调节基板包括分别连接到用于输入高频电信号的输入端口的导线。导线具有彼此不同的电长度，用于调节端口之间的相位差。

3. 发明申请

US20110262071A1 BRANCHED OPTICAL WAVEGUIDE, OPTICAL WAVEGUIDE SUBSTRATE AND OPTICAL MODULATOR 审中-公开
标题翻译：分支光学波导，光波导基板和光学调制器
公开(公告)号：US20110262071A1
公开(公告)日：2011-10-27
申请号：US13178964
申请日：2011-07-08
申请人： Osamu Mitomi , Kenji Aoki , Yuji Hori , Jungo Kondo , Yasunori Iwasaki
发明人： Osamu Mitomi , Kenji Aoki , Yuji Hori , Jungo Kondo , Yasunori Iwasaki
IPC分类号： G02F1/035 , G02B6/125
CPC分类号： G02B6/125 , G02B6/1228 , G02B6/29352 , G02B2006/12159 , G02F1/0508
摘要： An optical waveguide is formed on a ferroelectric substrate having a thickness of 20 μm or less by diffusion of a dopant or ion exchange. The optical waveguide has a non-branched section 2a operating on single mode and a pair of branched sections branched from the non-branched section 2a. Each of the branched sections has a connecting part 7 extending from a branching end 10 and a multi mode propagating part 8 continuously formed from the connecting part 7. The multi mode propagating part 8 has a width “m” larger than a width “t” of the non-branched section. A width “p” of the connecting part increases from the non-branched section 2a toward the multi mode propagating part 8.
摘要翻译：通过掺杂剂或离子交换剂的扩散，在厚度为20μm以下的强电介质基板上形成光波导。光波导具有在单模上工作的非分支部分2a和从非分支部分2a分支的一对分支部分。每个分支部分具有从分支端10延伸的连接部分7和从连接部分7连续形成的多模传播部分8.多模传播部分8具有大于宽度“t”的宽度“m” 的非支化部分。连接部的宽度“p”从非分支部2a向多模传播部8增大。

4. 发明授权

US08233752B2 Curved optical waveguide in gap between electrodes device 有权
标题翻译：电极间间隙中的弯曲光波导
公开(公告)号：US08233752B2
公开(公告)日：2012-07-31
申请号：US12846076
申请日：2010-07-29
申请人： Akiyoshi Ide , Jungo Kondo , Osamu Mitomi , Yasunori Iwasaki , Kenji Aoki
发明人： Akiyoshi Ide , Jungo Kondo , Osamu Mitomi , Yasunori Iwasaki , Kenji Aoki
IPC分类号： G02F1/35 , G02B6/42 , G02B6/10
CPC分类号： G02B6/125 , G02F1/225 , G02F2001/212
摘要： An optical waveguide device includes a substrate of a ferroelectric material, at least a pair of electrodes 4A, 4B provided on one main face of the substrate, and a channel-type optical waveguide 5A formed in a gap 1 of the pair of the electrodes. The optical waveguide 5A has a curved part 15. A central line C of the gap 1 is provided outside of a center line WC of the optical waveguide with respect to the center O of curvature of the curved part 15.
摘要翻译：光波导器件包括铁电材料的基板，设置在基板的一个主面上的至少一对电极4A，4B，以及形成在该对电极的间隙1中的沟道型光波导5A。光波导5A具有弯曲部15.间隙1的中心线C相对于弯曲部15的曲率中心O设置在光波导的中心线WC的外侧。

5. 发明申请

US20100329601A1 OPTICAL WAVEGUIDE DEVICE 有权
标题翻译：光波器件
公开(公告)号：US20100329601A1
公开(公告)日：2010-12-30
申请号：US12846076
申请日：2010-07-29
申请人： Akiyoshi Ide , Jungo Kondo , Osamu Mitomi , Yasunori Iwasaki , Kenji Aoki
发明人： Akiyoshi Ide , Jungo Kondo , Osamu Mitomi , Yasunori Iwasaki , Kenji Aoki
IPC分类号： G02F1/035
CPC分类号： G02B6/125 , G02F1/225 , G02F2001/212
摘要： An optical waveguide device includes a substrate of a ferroelectric material, at least a pair of electrodes 4A, 4B provided on one main face of the substrate, and a channel-type optical waveguide 5A formed in a gap 1 of the pair of the electrodes. The optical waveguide 5A has a curved part 15. A central line C of the gap 1 is provided outside of a center line WC of the optical waveguide with respect to the center O of curvature of the curved part 15.
摘要翻译：光波导器件包括铁电材料的基板，设置在基板的一个主面上的至少一对电极4A，4B，以及形成在该对电极的间隙1中的沟道型光波导5A。光波导5A具有弯曲部15.间隙1的中心线C相对于弯曲部15的曲率中心O设置在光波导的中心线WC的外侧。

6. 发明授权

US07974501B2 Optical modulators 失效
标题翻译：光调制器
公开(公告)号：US07974501B2
公开(公告)日：2011-07-05
申请号：US12407904
申请日：2009-03-20
申请人： Akira Hamajima , Jungo Kondo , Osamu Mitomi , Tetsuya Ejiri , Kenji Aoki
发明人： Akira Hamajima , Jungo Kondo , Osamu Mitomi , Tetsuya Ejiri , Kenji Aoki
IPC分类号： G02B26/00 , G02F1/035
CPC分类号： G02F1/035 , G02B6/4202
摘要： An optical modulator 24 has a supporting substrate 5, a modulating substrate 11 made of an electro-optical material, an optical waveguide 12 provided on the side of a first main surface 30 of the modulating substrate 11, and an adhesion layer 6 adhering a second main surface 31 of the modulating substrate 11 onto the supporting substrate 5. The modulating substrate 11 has a high-frequency interaction portion 11c applying a voltage on the optical waveguide 12 to modulate propagating light, an incident portion 11a inputting light to the optical waveguide, and an outgoing portion 11b outputting light from the optical waveguide. The high-frequency interaction portion 11c is recessed on the first main surface 30 of the modulating substrate 11 with respect to the incident and outgoing portions 11a and 11b. The high-frequency interaction portion 11c has a thickness smaller than the those of the incident and outgoing portions 11a and 11b.
摘要翻译：光调制器24具有支撑基板5，由电光材料制成的调制基板11，设置在调制基板11的第一主面30一侧的光波导12，以及粘接层调制基板11的主表面31到支撑基板5上。调制基板11具有在光波导12上施加电压以调制传播光的高频相互作用部分11c，向光波导输入光的入射部分11a，以及从光波导输出光的出射部分11b。高频相互作用部分11c相对于入射和出射部分11a和11b凹入调制基板11的第一主表面30上。高频相互作用部分11c的厚度小于入射部分11a和出射部分11b的厚度。

7. 发明授权

US07778497B2 Optical modulators 有权
标题翻译：光调制器
公开(公告)号：US07778497B2
公开(公告)日：2010-08-17
申请号：US12401753
申请日：2009-03-11
申请人： Osamu Mitomi , Kenji Aoki , Tetsuya Ejiri , Akiyoshi Ide , Jungo Kondo , Yuichi Iwata
发明人： Osamu Mitomi , Kenji Aoki , Tetsuya Ejiri , Akiyoshi Ide , Jungo Kondo , Yuichi Iwata
IPC分类号： G02F1/035 , G02B6/26
CPC分类号： G02F1/0356 , G02B6/12007
摘要： An optical modulator having an optical modulation part and a connection part for an optical fiber propagating light. The optical modulation part has a modulation substrate of an electro-optic material, a modulation optical waveguide formed on the modulation substrate, a high frequency interaction part for applying a voltage to the modulation optical waveguide to modulate the propagation of light, a first supporting substrate and a first adhesion layer for adhering the modulation substrate to the first supporting substrate. The connection part has a connection substrate of an electro-optic material, a connection optical waveguide formed on the connection substrate, a second supporting substrate, and a second adhesion layer for adhering the connection substrate to the second supporting substrate. The modulation substrate is adhered to the connection substrate. The first supporting substrate is adhered to the second supporting substrate. The modulation optical waveguide is connected to the connection optical waveguide.
摘要翻译：一种具有光学调制部分和用于光纤传播光的连接部分的光调制器。光调制部具有电光材料的调制基板，形成在调制基板上的调制光波导，向调制光波导施加电压以调制光的传播的高频相互作用部，第一支撑基板以及用于将调制基板粘附到第一支撑基板的第一粘合层。连接部具有电光材料的连接基板，形成在连接基板上的连接光波导，第二支撑基板和用于将连接基板粘接到第二支撑基板的第二粘合层。调制基板粘附到连接基板。第一支撑基板粘附到第二支撑基板。调制光波导连接到连接光波导。

8. 发明申请

US20090154867A1 OPTICAL MODULATORS 有权
标题翻译：光学调制器
公开(公告)号：US20090154867A1
公开(公告)日：2009-06-18
申请号：US12336640
申请日：2008-12-17
申请人： Yuichi Iwata , Osamu Mitomi , Jungo Kondo , Kenji Aoki
发明人： Yuichi Iwata , Osamu Mitomi , Jungo Kondo , Kenji Aoki
IPC分类号： G02F1/035
CPC分类号： G02F1/0356 , G02F1/2255 , G02F2201/122
摘要： An object of the present invention is, in an optical modulator, to increase the production yield by enhancing the patterning accuracy of the electrodes, as well as to reduce the electrode loss by increasing the thickness of the electrodes. An optical modulator has a substrate 5 made of an electro-optical material; a modulation electrode 2A, 3A, 2B provided on the substrate 5; and an optical waveguide 1c provided on the substrate 5. Light propagating through the optical waveguide 1c is modulated by applying a modulation voltage to the modulation electrode. At least a part of the modulation electrode includes a base 2a, 3a formed on the substrate 5 and a projection part 2b, 3b having a width narrower than that of the base.
摘要翻译：本发明的目的在于，在光调制器中，通过提高电极的构图精度以及通过增加电极的厚度来减小电极损耗来提高生产率。光调制器具有由电光材料制成的基板5; 设置在基板5上的调制电极2A，3A，2B; 以及设置在基板5上的光波导1c。通过向调制电极施加调制电压来调制通过光波导1c传播的光。调制电极的至少一部分包括形成在基板5上的基部2a，3a和宽度窄于基部的宽度的突出部2b，3b。

9. 发明授权

US07446696B2 Radio oscillating and radar systems 有权
标题翻译：无线电振荡和雷达系统
公开(公告)号：US07446696B2
公开(公告)日：2008-11-04
申请号：US11619743
申请日：2007-01-04
申请人： Jungo Kondo , Osamu Mitomi , Kenji Aoki , Takashi Yoshino , Keiji Matsuhiro
发明人： Jungo Kondo , Osamu Mitomi , Kenji Aoki , Takashi Yoshino , Keiji Matsuhiro
IPC分类号： G01S7/35 , G01S13/34 , G01S13/00 , G01S13/93
CPC分类号： H04B1/408 , G01S7/35 , G01S13/345 , G01S13/931 , G01S2013/9321 , G01S2013/9325 , H04B1/04 , H04B2001/0491 , H04B2210/006
摘要： The present invention provides a radio signal radiation system that alleviates the necessity of a highly specified pass band reception filter and a high performance/reliability amplifier. The radio signal radiation system includes an optical modulator; a light source for inputting an optical carrier wave into the optical modulator; a power source for applying a modulating signal having a frequency Fm on the optical modulator to superimpose a sideband wave onto the carrier wave, the modulating signal having an amplitude of N-times the drive voltage of the optical modulator; a light receiver to receive and convert the outgoing light into an electrical signal; and a radiating means for radiating a radio signal based on the electrical signal, wherein the sideband wave is superimposed at a position shifted by n×fm.
摘要翻译：本发明提供了一种减轻高度指定的通带接收滤波器和高性能/可靠性放大器的必要性的无线电信号辐射系统。无线电信号辐射系统包括光调制器; 用于将光载波输入到光调制器中的光源; 用于在光调制器上施加具有频率Fm的调制信号以将边带波叠加到载波上的电源，该调制信号的幅度为光调制器的驱动电压的N倍; 光接收器，用于接收并将出射光转换成电信号; 以及辐射装置，用于基于电信号辐射无线电信号，其中边带波叠加在偏移n×fm的位置处。

10. 发明授权

US07389030B2 Optically functional device 有权
标题翻译：光功能器件
公开(公告)号：US07389030B2
公开(公告)日：2008-06-17
申请号：US11671112
申请日：2007-02-05
申请人： Osamu Mitomi , Jungo Kondo , Atsuo Kondo , Kenji Aoki , Tetsuya Ejiri , Yuichi Iwata
发明人： Osamu Mitomi , Jungo Kondo , Atsuo Kondo , Kenji Aoki , Tetsuya Ejiri , Yuichi Iwata
IPC分类号： G02B6/10
CPC分类号： G02F1/035 , G02F1/0508
摘要： An optical functional device comprises a dielectric substrate 5, a ferroelectric thin layer 10 provided on the dielectric substrate 5 and comprising a material having electro-optical effect and an electrode 3A, 3B provided on the ferroelectric thin layer 10. A part of the ferroelectric thin layer 10 functions as a core 9 of the optical wave guide and the dielectric substrate functions as a clad for the optical waveguide. The optical waveguide 9 constitutes a multi-mode waveguide in the direction “D” of depth of the ferroelectric thin layer.
摘要翻译：光功能元件包括电介质基片5，设置在电介质基片5上并包含具有电光效应的材料和设置在铁电薄层10上的电极3A，3B的铁电薄层10。铁电薄层10的一部分用作光波导的芯9，并且电介质基板用作光波导的包层。光波导9构成铁电薄层的深度方向“D”的多模波导。

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