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41. 发明授权

US07532777B2 Optical functional devices 有权
标题翻译：光功能器件
公开(公告)号：US07532777B2
公开(公告)日：2009-05-12
申请号：US11842327
申请日：2007-08-21
申请人： Osamu Mitomi , Yuichi Iwata , Jungo Kondo , Kenji Aoki , Tetsuya Ejiri
发明人： Osamu Mitomi , Yuichi Iwata , Jungo Kondo , Kenji Aoki , Tetsuya Ejiri
IPC分类号： G02F1/035 , G02B6/10
CPC分类号： G02F1/0356 , G02F1/2255 , G02F2001/212 , G02F2202/32
摘要： An optical functional device has a slab type two-dimensional photonic crystal layer. The photonic crystal layer has a dielectric layer and a plurality of lattice columns each comprising dielectric pillars. A waveguide portion is provided in the photonic crystal layer. A ground electrode and a signal electrode are formed on the dielectric layer for applying a modulating voltage on light propagating in the waveguide portion. A layer of a high dielectric constant is laminated on the dielectric layer. A low dielectric portion is formed direct under the waveguide portion and the lattice columns 7A, 7B and 7C of at least first, second and third orders in distance with respect to said waveguide portion.
摘要翻译：光学功能元件具有板状二维光子晶体层。光子晶体层具有介电层和多个格子柱，每个晶格列包括介电柱。波导部分设置在光子晶体层中。在电介质层上形成接地电极和信号电极，以在波导部分中传播的光上施加调制电压。在介电层上层叠高介电常数层。低介电部分直接形成在波导部分下方，并且格子柱7A，7B和7C相对于所述波导部分至少第一，第二和第三阶数的距离。

42. 发明授权

US07529447B2 Optical waveguide devices 有权
标题翻译：光波导器件
公开(公告)号：US07529447B2
公开(公告)日：2009-05-05
申请号：US12121063
申请日：2008-05-15
申请人： Kenji Aoki , Osamu Mitomi , Jungo Kondo , Yuichi Iwata , Tetsuya Ejiri
发明人： Kenji Aoki , Osamu Mitomi , Jungo Kondo , Yuichi Iwata , Tetsuya Ejiri
IPC分类号： G02B6/26
CPC分类号： G02B6/12 , G02B2006/12104 , G02B2006/12142 , G02B2006/12159 , G02F1/0316 , G02F1/035 , G02F1/225 , G02F2203/02
摘要： The present invention provides an optical waveguide device having a configuration such that the optical waveguide is folded back on an end area of the optical waveguide substrate to widen the modulation band. The optical waveguide device 1A includes a substrate body 2 made of an electro-optical material, optical waveguide 6, and modulation electrodes 3, 4 and 5 for applying a voltage on the optical waveguide 6. The optical waveguide 6 includes first primary areas 6e and 6f, a first curved area 7A, first folding-back areas 6g and 6h provided between the first curved area 7A and a folding-back point 8, second primary areas 6m and 6n, a second curved area 7B, and second folding-back areas 6j and 6k provided between the second curved area 7B and the folding-back point 8. At least a part of the signal electrode is provided in a folding-back region extending from the first curved area 7A and the second curved area 7B to the folding-back point 8.
摘要翻译：本发明提供一种光波导器件，其具有使光波导折回到光波导基板的端部区域以扩宽调制带的结构。光波导装置1A包括由电光材料制成的基板主体2，光波导6，以及用于在光波导6上施加电压的调制电极3,4和5.光波导6包括第一主区域6e和如图6f所示，第一弯曲区域7A，设置在第一弯曲区域7A和折叠点8之间的第一折回区域6g和6h，第二主要区域6m和6n，第二弯曲区域7B和第二折回区域 6j和6k设置在第二弯曲区域7B和折叠点8之间。信号电极的至少一部分设置在从第一弯曲区域7A和第二弯曲区域7B延伸到折叠区域的折叠区域中 - 回点8。

43. 发明授权

US07382942B2 Optical waveguide devices 有权
标题翻译：光波导器件
公开(公告)号：US07382942B2
公开(公告)日：2008-06-03
申请号：US11557506
申请日：2006-11-08
申请人： Osamu Mitomi , Kenji Aoki , Jungo Kondo , Yuichi Iwata , Tetsuya Ejiri
发明人： Osamu Mitomi , Kenji Aoki , Jungo Kondo , Yuichi Iwata , Tetsuya Ejiri
IPC分类号： G02F1/295
CPC分类号： G02B6/125 , G02B2006/12097 , G02B2006/12104 , G02B2006/12119 , G02B2006/12142 , G02B2006/12159 , G02F1/0508 , G02F1/2255 , G02F1/3137
摘要： It is provided an optical waveguide device in which the radius of curvature of a curved part of an optical waveguide can be lowered and the radiation loss of light in the curved part can be reduced. An optical waveguide device 2 has a ferroelectric optical waveguide substrate and an optical waveguide 5 formed in or on the substrate and modulating electrodes 4A, 4B and 4C. The thickness of the optical waveguide substrate is 30 μm or smaller at least in a region where the optical waveguide is formed. The optical waveguide has curved part having a radius of curvature of 30 mm or smaller.
摘要翻译：提供了一种光波导器件，其中可以降低光波导的弯曲部分的曲率半径，并且可以减少弯曲部分中的光的辐射损失。光波导路装置2具有形成在基板中或基板上的铁电光波导基板和光波导路5，调制电极4A，4B，4B。光波导基板的厚度至少为30μm以下形成光波导的区域。光波导具有曲率半径为30mm以下的弯曲部。

44. 发明申请

US20080050082A1 OPTICAL FUNCTIONAL DEVICES 有权
标题翻译：光功能器件
公开(公告)号：US20080050082A1
公开(公告)日：2008-02-28
申请号：US11842327
申请日：2007-08-21
申请人： Osamu Mitomi , Yuichi Iwata , Jungo Kondo , Kenji Aoki , Tetsuya Ejiri
发明人： Osamu Mitomi , Yuichi Iwata , Jungo Kondo , Kenji Aoki , Tetsuya Ejiri
IPC分类号： G02B6/10
CPC分类号： G02F1/0356 , G02F1/2255 , G02F2001/212 , G02F2202/32
摘要： An optical functional device 1 has a slab type two-dimensional photonic crystal layer 29. The layer 29 has a dielectric layer 4 and a plurality of lattice columns 5 each comprising dielectric pillars. A waveguide portion 6 is provided in the photonic crystal layer 29. A ground electrode 8 and a signal electrode 9 are formed on the dielectric layer 4 for applying a modulating voltage on light propagating in the waveguide portion 6. A layer 2 of a high dielectric constant is laminated on the dielectric layer 4. A low dielectric portion is formed direct under the waveguide portion 6 and the lattice columns 7a, 7B and 7C of at least first, second and third orders in distance with respect to said waveguide portion.
摘要翻译：光学功能元件1具有板状二维光子晶体层29.层29具有电介质层4和多个格子列5，各列包括介电柱。波导部分6设置在光子晶体层29中。接地电极8和信号电极9形成在电介质层4上，用于在波导部分6中传播的光上施加调制电压。高电介质层2 常数层压在电介质层4上。低介电部分直接形成在波导部分6的下方，并且晶格列7a，7b和7c相对于所述波导部分至少有第一，第二和第三阶数的距离。

45. 发明申请

US20080025662A1 OPTICAL MODULATOR 有权
标题翻译：光学调制器
公开(公告)号：US20080025662A1
公开(公告)日：2008-01-31
申请号：US11841188
申请日：2007-08-20
申请人： Jungo Kondo , Osamu Mitomi , Kenji Aoki , Yuichi Iwata , Tetsuya Ejiri
发明人： Jungo Kondo , Osamu Mitomi , Kenji Aoki , Yuichi Iwata , Tetsuya Ejiri
IPC分类号： G02F1/295
CPC分类号： G02F1/2255 , G02F1/0123 , G02F2001/212 , G02F2201/58 , G02F2203/20
摘要： An optical modulator is provided for modulating light propagating in a three-dimensional optical waveguide 5 by applying a voltage thereto. The optical modulator has the three-dimensional optical waveguide 5 including at least one pair of branch optical waveguides 5c and 5d, a multiplexing part 5e of the branch optical waveguides and an emission part 5f provided in the downstream of the multiplexing part, modulation electrodes 3A, 3B and 4 for applying a signal voltage for modulating light propagating in the three-dimensional optical waveguide 5, and guiding waveguides 6A and 6B for guiding primary mode light from the multiplexing part. Thickness of the substrate is 20 μm or less at least under the modulation electrodes, and an operation point of the optical modulator is controlled by changing, based on light output from the guiding waveguides, DC bias applied onto the modulation electrodes.
摘要翻译：提供了一种光调制器，用于通过向其施加电压来调制在三维光波导5中传播的光。光调制器具有三维光波导5，其包括至少一对分支光波导5c和5d，分支光波导的复用部分5e和设置在复用部分的下游的发射部分5f ，用于施加用于调制在三维光波导5中传播的光的信号电压的调制电极3A，3B和4，以及用于引导来自复用部分的初级模式光的导向波导6A和6B。至少在调制电极下方，基板的厚度为20μm以下，通过根据导向波导的光输出，施加到调制电极上的直流偏压来改变光调制器的操作点。

46. 发明申请

US20070104407A1 OPTICAL WAVEGUIDE DEVICES 有权
标题翻译：光波器件
公开(公告)号：US20070104407A1
公开(公告)日：2007-05-10
申请号：US11557506
申请日：2006-11-08
申请人： Osamu MITOMI , Kenji Aoki , Jungo Kondo , Yuichi Iwata , Tetsuya Ejiri
发明人： Osamu MITOMI , Kenji Aoki , Jungo Kondo , Yuichi Iwata , Tetsuya Ejiri
IPC分类号： G02F1/295
CPC分类号： G02B6/125 , G02B2006/12097 , G02B2006/12104 , G02B2006/12119 , G02B2006/12142 , G02B2006/12159 , G02F1/0508 , G02F1/2255 , G02F1/3137
摘要： It is provided an optical waveguide device in which the radius of curvature of a curved part of an optical waveguide can be lowered and the radiation loss of light in the curved part can be reduced. An optical waveguide device 2 has a ferroelectric optical waveguide substrate and an optical waveguide 5 formed in or on the substrate and modulating electrodes 4A, 4B and 4C. The thickness of the optical waveguide substrate is 30 μm or smaller at least in a region where the optical waveguide is formed. The optical waveguide has curved part having a radius of curvature of 30 mm or smaller.
摘要翻译：提供了一种光波导器件，其中可以降低光波导的弯曲部分的曲率半径，并且可以减少弯曲部分中的光的辐射损失。光波导路装置2具有形成在基板中或基板上的铁电光波导基板和光波导路5，调制电极4A，4B，4B。光波导基板的厚度至少为30μm以下形成光波导的区域。光波导具有曲率半径为30mm以下的弯曲部。

47. 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。

48. 发明授权

US08384989B2 Electromagnetic wave oscillating devices 有权
标题翻译：电磁波振荡装置
公开(公告)号：US08384989B2
公开(公告)日：2013-02-26
申请号：US12851580
申请日：2010-08-06
申请人： Jungo Kondo , Kenji Aoki , Yuichi Iwata , Tetsuya Ejiri
发明人： Jungo Kondo , Kenji Aoki , Yuichi Iwata , Tetsuya Ejiri
IPC分类号： G02F2/02 , G02F1/35 , G02F1/39
CPC分类号： G02F1/39 , G02F2203/13
摘要： A device of oscillating an electromagnetic wave having a frequency of 0.1 THz to 3 THz from pump and idler waves by parametric effect. The device includes a supporting body, an oscillating substrate of a non-linear optical crystal, an adhesive layer adhering the supporting body and the oscillating substrate, and a film for reflecting the electromagnetic wave formed on a surface of the supporting body on the side of the adhesive layer. The oscillating substrate has an upper face, a bottom face and an incident face on which the pump wave is made incident, with the adhesive layer having a refractive index with respect to the pump wave lower than that of the oscillating substrate.
摘要翻译：通过参数效应从泵浦和惰轮振荡频率为0.1THz至3THz的电磁波的装置。该装置包括支撑体，非线性光学晶体的振荡衬底，粘附支撑体的粘合剂层和振荡衬底，以及用于反射形成在支撑体的表面上的电磁波的膜，粘合剂层。振荡基板具有上表面，底面和泵波入射的入射面，粘合剂层相对于泵浦波的折射率低于振荡基板的折射率。

49. 发明授权

US07660506B2 Optical waveguide structures 有权
标题翻译：光波导结构
公开(公告)号：US07660506B2
公开(公告)日：2010-02-09
申请号：US11750515
申请日：2007-05-18
申请人： Osamu Mitomi , Yuichi Iwata , Jungo Kondo , Kenji Aoki , Tetsuya Ejiri
发明人： Osamu Mitomi , Yuichi Iwata , Jungo Kondo , Kenji Aoki , Tetsuya Ejiri
IPC分类号： G02B6/10
CPC分类号： G02B6/1225 , B82Y20/00 , G02F2202/32
摘要： An optical waveguide structure has a slab type photonic crystal and an optical waveguide provided in the photonic crystal. The photonic crystal has a slab of a dielectric film and a plurality of lattice columns each having dielectric pillars. The dielectric pillars included in the lattice columns at least in n'th order (n represents 1, 2, 3, 4 and 5) in distance with respect to said optical waveguide, respectively, has a planar shape of an equilateral polygon or exact circle. At least one of the dielectric pillars included in the lattice columns at least in n'th order (n represents 2, 3, 4 and 5) with respect to the optical waveguide has a size rn different from a fundamental size ro.
摘要翻译：光波导结构具有平板型光子晶体和设置在光子晶体中的光波导。光子晶体具有电介质膜和多个具有介电柱的晶格列的平板。相对于所述光波导分别至少在第n级（n表示1,2,3,4和5）的晶格列中的介电柱分别具有等边多边形或精确圆的平面形状。包括在格子列中的至少一个介质柱相对于光波导至少第n级（n表示2,3,4和5）具有不同于基本尺寸ro的尺寸rn。

50. 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。

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