公开(公告)号：US20140369637A1

公开(公告)日：2014-12-18

申请号：US14378942

申请日：2013-02-14

Applicant: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWAND TEN FORSCHUNG E.V.

Inventor： Detlef Hoffmann

IPC: G02F1/225 ,  G02F1/01

CPC classification number: G02F1/2255 ,  G02F1/011 ,  G02F1/025 ,  G02F1/0356 ,  G02F1/225 ,  G02F2001/0157 ,  G02F2001/212 ,  G02F2201/122 ,  G02F2201/127 ,  G02F2203/15

Abstract: The invention relates to a Mach-Zehnder modulator comprising a first optical waveguide forming a first modulator arm and a second optical waveguide forming a second modulator arm of the Mach-Zehnder modulator, an electrode arrangement comprising a plurality of first waveguide electrodes for applying a voltage across the first optical waveguide and a plurality of second waveguide electrodes for applying a voltage across the second optical waveguide, at least one electrically conductive connecting element generating a short-circuit between at least one of the first waveguide electrodes and at least one of the second waveguide electrodes. The electrode arrangement is a travelling wave electrode arrangement further comprising a first and a second electrical line extending at least partially parallel to the first and second optical waveguide. The first and the second waveguide electrodes are connected to the first and second electrical lines via connecting structures.

Abstract translation: 本发明涉及包括形成第一调制器臂的第一光波导和形成Mach-Zehnder调制器的第二调制器臂的第二光波导的马赫 - 曾德调制器，包括多个用于施加电压的第一波导电极 跨越第一光波导和多个用于在第二光波导上施加电压的第二波导电极，至少一个导电连接元件在至少一个第一波导电极和第二波导电极中的至少一个之间产生短路 波导电极。 电极装置是行波电极装置，还包括至少部分平行于第一和第二光波导延伸的第一和第二电线。 第一和第二波导电极经由连接结构连接到第一和第二电线。

公开(公告)号：US20140010493A1

公开(公告)日：2014-01-09

申请号：US14021148

申请日：2013-09-09

Applicant: NGK INSULATORS, LTD.

Inventor： Jungo Kondo ,  Yuichi Iwata ,  Tetsuya Ejiri

IPC: G02F1/035

CPC classification number: G02F1/035 ,  G01N15/1434 ,  G02B6/122 ,  G02F1/2252 ,  G02F1/2255 ,  G02F2001/212 ,  G02F2201/05 ,  G02F2201/063 ,  G02F2201/066 ,  G02F2201/127 ,  G02F2202/28 ,  G02F2203/21 ,  G02F2203/50 ,  G02F2203/60

Abstract: An optical modulation device 1 includes a supporting body 2 including a pair of grooves 2b, 2c and a protrusion 2d between the grooves, a ridge par 6 including a channel type optical wave guide capable of multi mode propagation, a first side plate part 3A formed in a first side of the ridge part 6, a second side plate part 3B formed in a second side of the ridge part, a first adhesive layer 4A adhering the first side plate part 3A and the supporting body 2, a second adhesive layer 4B adhering the second side plate part 3B and the supporting body 2, and a third adhesive layer 4C adhering the ridge part 6 and the protrusion 2d. The device 1 further includes a first electrode 7A provided on a side face 6b of the ridge part on the first groove side, and a side face 3b and an upper face 3c of the first side plate part, and a second electrode 7B provided on a side face 6c of the ridge part 6 in the second groove side, the second groove 2c and a side face 3b and an upper face 3c of the second side plate part 3B. The first electrode 7A and the second electrode 7B apply a modulation voltage modulating light propagating in the channel type optical wave guide.

Abstract translation: 光调制装置1包括支撑体2，该支撑体2包括一对槽2b，2c和槽之间的突起2d，包括能够进行多模传播的通道型光波导的脊6，形成的第一侧板部3A 在脊部6的第一侧，形成在脊部的第二侧的第二侧板部3B，附着有第一侧板部3A和支撑体2的第一粘合层4A，附着有第二粘合层4B的第二粘合层4B 第二侧板部3B和支撑体2，以及粘附脊部6和突起2d的第三粘合层4C。 装置1还包括设置在第一槽侧的脊部的侧面6b上的第一电极7A和第一侧板部的侧面3b和上表面3c，以及设置在第一槽部侧的第二电极7B 第二槽侧的脊部6的侧面6c，第二槽2c和侧面3b以及第二侧板部3B的上表面3c。 第一电极7A和第二电极7B施加在通道型光波导中传播的调制电压调制光。

公开(公告)号：US08406576B2

公开(公告)日：2013-03-26

申请号：US12862864

申请日：2010-08-25

Applicant: Masaki Sugiyama

Inventor： Masaki Sugiyama

IPC: G02F1/035

CPC classification number: G02F1/2255 ,  G02F1/0356 ,  G02F2001/212 ,  G02F2201/121 ,  G02F2201/127 ,  G02F2202/20

Abstract: An optical modulator including: a substrate which has electro-optic effect; a Mach-Zehnder optical interferometer which is formed in the substrate and which includes a first waveguide and a second waveguide; a signal electrode which applies an electrical field to the Mach-Zehnder optical interferometer through being supplied with an electric signal corresponding to a signal for optical modulation; a ground electrode formed apart from the signal electrode; and a conductor section which is narrow in a middle thereof along the light propagating direction and which gradually becomes wider towards the starting end and the terminating ends thereof along the light propagating direction in an interacting portion at which the electric field applied by the signal electrode interacts with light propagating through the first waveguide and the second waveguide.

Abstract translation: 一种光学调制器，包括：具有电光效应的衬底; 马赫 - 曾德尔光学干涉仪，其形成在基板中，并包括第一波导和第二波导; 信号电极，通过提供与用于光学调制的信号相对应的电信号，向马赫 - 曾德尔光学干涉仪施加电场; 与信号电极分开形成的接地电极; 以及导体部，其沿着光传播方向在中间窄，并且在由信号电极施加的电场相互作用的相互作用部分中沿着光传播方向朝向起始端及其终端逐渐变宽 其中光通过第一波导和第二波导传播。

公开(公告)号：US08380016B1

公开(公告)日：2013-02-19

申请号：US12796999

申请日：2010-06-09

Applicant: Michael Hochberg ,  Thomas W. Baehr-Jones

Inventor： Michael Hochberg ,  Thomas W. Baehr-Jones

IPC: G02B6/10 ,  G02B6/26 ,  G02B6/34 ,  G02F1/035

CPC classification number: G02F1/2257 ,  G02F1/025 ,  G02F2001/212 ,  G02F2001/3505 ,  G02F2201/06 ,  G02F2201/126 ,  G02F2201/127 ,  G02F2202/022 ,  G02F2202/36 ,  G02F2203/15

Abstract: An apparatus for providing electrooptic modulation. The apparatus includes electrical contacts, a waveguide coupled between the electrical contacts, and a nonlinear optical material positioned in the slot region. The waveguide includes a first arm and a second arm that are each arranged to define a slot region for confining an optical mode. The slot region has a height, t1, and each of the first arm and the second arm include a strip load region having a height that is less than the height, t1, of the slot region. Each of the first arm and the second arm is configured to provide an electrical signal to the slot region via at least one of the electrical contacts. In one embodiment, the nonlinear optical material includes a χ2-based material. In another embodiment, each of the first arm and the second arm have an “L”-type shape.

Abstract translation: 一种用于提供电光调制的装置。 该装置包括电触点，耦合在电触点之间的波导和位于槽区中的非线性光学材料。 波导包括第一臂和第二臂，每个臂布置成限定狭缝区域以限制光学模式。 槽区域具有高度t1，并且第一臂和第二臂中的每一个包括具有小于槽区域的高度t1的高度的条带加载区域。 第一臂和第二臂中的每一个被配置为经由至少一个电触点向缝隙区域提供电信号。 在一个实施例中，非线性光学材料包括基于χ2的材料。 在另一实施例中，第一臂和第二臂中的每一个具有L型形状。

公开(公告)号：US08374467B2

公开(公告)日：2013-02-12

申请号：US12719905

申请日：2010-03-09

Applicant: Masaki Sugiyama ,  Yoshihiko Yoshida ,  Akira Ishii

Inventor： Masaki Sugiyama ,  Yoshihiko Yoshida ,  Akira Ishii

IPC: G02F1/035 ,  G02B6/12

CPC classification number: G02B6/12007 ,  G02B6/125 ,  G02F1/0356 ,  G02F1/225 ,  G02F2201/127

Abstract: There is provided an optical device including a plurality of Mach-Zehnder modulators; and an input branching waveguide to split an input light so as to direct the resulting light to the plurality of Mach-Zehnder modulators; the Mach-Zehnder modulator comprising: a splitter coupled to the input branching waveguide; pair of waveguides coupled to the splitter; a combiner coupled to the pair of waveguides; and a signal electrode to apply signals to the pair of waveguides; wherein the splitters are disposed in a different orientation to each other.

Abstract translation: 提供了包括多个马赫 - 曾德调制器的光学装置; 以及输入分支波导，以分离输入光，以将所得到的光引导到多个马赫 - 曾德调制器; 所述马赫 - 策德尔调制器包括：耦合到输入分支波导的分路器; 耦合到分离器的一对波导; 耦合到所述一对波导的组合器; 以及用于将信号施加到所述一对波导的信号电极; 其中分离器彼此不同的方向设置。

公开(公告)号：US08346025B2

公开(公告)日：2013-01-01

申请号：US12467867

申请日：2009-05-18

Applicant: Douglas M. Gill

Inventor： Douglas M. Gill

IPC: G02F1/35 ,  G02B6/32

CPC classification number: B29D11/00663 ,  G02F1/025 ,  G02F1/2257 ,  G02F2201/066 ,  G02F2201/12 ,  G02F2201/127 ,  G02F2201/16 ,  G02F2202/105 ,  Y10T29/49002

Abstract: An apparatus 100 that comprises a planar electro-optic modulator 110 being located on a substrate 105 and including a waveguide 115 and electrical contacts 120. The waveguide that includes first and second substantially straight segments 122, and a curved segment 126 that serially end-connects the first and second substantially straight segments such that light 130 travels in a substantially anti-parallel manner in the first and second substantially straight segments. The electrical contacts being located adjacent the first and second substantially straight segments and being connected to produce constructively adding phase modulations on an optical carrier passing through the segments.

Abstract translation: 一种装置100，其包括位于衬底105上并包括波导115和电触点120的平面电光调制器110.包括第一和第二基本上直的段122的波导以及串行端连接的弯曲段126 第一和第二基本上直的段，使得光130以基本上反平行的方式在第一和第二基本上直的段中行进。 电触点位于第一和第二基本上直的部分附近并被连接以在穿过该部分的光学载体上产生建设性的相位调制。

公开(公告)号：US20120319805A1

公开(公告)日：2012-12-20

申请号：US13599056

申请日：2012-08-30

Applicant: WILLIAM M. GREEN ,  Alexander V. Rylyakov ,  Clint S. Schow ,  Yurii A. Vlasov

Inventor： WILLIAM M. GREEN ,  Alexander V. Rylyakov ,  Clint S. Schow ,  Yurii A. Vlasov

IPC: H01P3/00

CPC classification number: G02F1/0121 ,  G02F1/025 ,  G02F1/0356 ,  G02F2201/127 ,  G02F2201/20 ,  G02F2202/10

Abstract: A transmission line and method for implementing includes a plurality of segments forming an electrical path and a continuous optical path passing through the segments. Discrete inductors are formed between and connect adjacent segments. The inductors are formed in a plurality of metal layers of an integrated circuit to balance capacitance of an optical modulator which includes the transmission line to achieve a characteristic impedance for the transmission line.

Abstract translation: 传输线和实现方法包括形成电路径的多个片段和穿过片段的连续光路。 离散电感器形成在并连接相邻的段之间。 电感器形成在集成电路的多个金属层中，以平衡包括传输线的光调制器的电容，以实现传输线的特性阻抗。

公开(公告)号：US08300991B2

公开(公告)日：2012-10-30

申请号：US12736127

申请日：2009-01-21

Applicant: Tomoaki Kato

Inventor： Tomoaki Kato

IPC: G02F1/035 ,  H01L33/00

CPC classification number: G02B6/12004 ,  B82Y20/00 ,  G02B6/131 ,  G02B6/136 ,  G02F1/01708 ,  G02F1/2255 ,  G02F1/2257 ,  G02F2001/0151 ,  G02F2001/0154 ,  G02F2001/212 ,  G02F2201/063 ,  G02F2201/127 ,  G02F2202/06 ,  G02F2202/101 ,  G02F2202/102 ,  G02F2202/108 ,  H01L21/02392 ,  H01L21/02461 ,  H01L21/02463 ,  H01L21/02505 ,  H01L21/02543 ,  H01L21/02581

Abstract: Provided is a traveling-wave type semiconductor optical phase modulator capable of high speed and low voltage operation by improving an n-SI-i-n-type layered structure. A first exemplary aspect of the present invention is a waveguide-type semiconductor optical modulator including: a semiconductor substrate (101); a first n-type cladding layer (103) and a second n-type cladding layer (108) formed on the semiconductor substrate (101); an undoped optical waveguide core layer (104) and an electron trapping layer (107) formed between the first n-type cladding layer (103) and the second n-type cladding layer (108); and a hole supplying layer (106) formed between the undoped optical waveguide core layer (104) and the electron trapping layer (107).

Abstract translation: 提供一种通过改善n-SI-i-n型分层结构能够实现高速和低电压操作的行波型半导体光相位调制器。 本发明的第一示例性方面是一种波导型半导体光调制器，包括：半导体衬底（101）; 形成在半导体基板（101）上的第一n型覆盖层（103）和第二n型覆盖层（108）。 形成在第一n型包覆层（103）和第二n型包覆层（108）之间的未掺杂的光波导芯层（104）和电子俘获层（107）。 以及形成在未掺杂的光波导芯层（104）和电子俘获层（107）之间的孔供给层（106）。

公开(公告)号：US20120251032A1

公开(公告)日：2012-10-04

申请号：US13436145

申请日：2012-03-30

Applicant: Tomoaki KATO

Inventor： Tomoaki KATO

IPC: G02F1/035

CPC classification number: G02F1/0327 ,  G02F2201/127 ,  G02F2201/16 ,  H04B10/556

Abstract: The present invention provides a compact, broad-band, and low-drive-voltage optical modulator module capable of generating any multilevel optical modulation. The optical modulator module according to an exemplary aspect of the present invention includes a digital segmented electrode structure optical modulator and m individual driving circuits. The digital segmented electrode structure optical modulator includes semiconductor optical waveguides and at least m waveguide-type optical phase modulator regions. An i-th individual driving circuit includes a driving circuit and a phase shift circuit. The driving circuit amplifies a digital input signal in synchronization with a clock signal and outputs the signal to an i-th waveguide-type optical phase modulator region. The phase shift circuit applies a delay to a signal branched from the clock signal. A j-th individual driving circuit receives an output signal from the phase shift circuit of a (j−1)-th individual driving circuit as a clock signal.

Abstract translation: 本发明提供了能够产生任何多电平光调制的紧凑的宽带和低驱动电压光调制器模块。 根据本发明的示例性方面的光调制器模块包括数字分段电极结构光调制器和m个单独的驱动电路。 数字分段电极结构光调制器包括半导体光波导和至少m个波导型光相位调制器区域。 第i个个体驱动电路包括驱动电路和相移电路。 驱动电路与时钟信号同步放大数字输入信号，并将该信号输出到第i个波导型光相位调制器区域。 相移电路对从时钟信号分支的信号施加延迟。 第j个人驱动电路作为时钟信号接收来自第（j-1）个人驱动电路的相移电路的输出信号。

公开(公告)号：US20110081107A1

公开(公告)日：2011-04-07

申请号：US12862864

申请日：2010-08-25

Applicant: Masaki SUGIYAMA

Inventor： Masaki SUGIYAMA

IPC: G02F1/035

CPC classification number: G02F1/2255 ,  G02F1/0356 ,  G02F2001/212 ,  G02F2201/121 ,  G02F2201/127 ,  G02F2202/20

Abstract: An optical modulator including: a substrate which has electro-optic effect; a Mach-Zehnder optical interferometer which is formed in the substrate and which includes a first waveguide and a second waveguide; a signal electrode which applies an electrical field to the Mach-Zehnder optical interferometer through being supplied with an electric signal corresponding to a signal for optical modulation; a ground electrode formed apart from the signal electrode; and a conductor section which is narrow in a middle thereof along the light propagating direction and which gradually becomes wider towards the starting end and the terminating ends thereof along the light propagating direction in an interacting portion at which the electric field applied by the signal electrode interacts with light propagating through the first waveguide and the second waveguide.

Abstract translation: 一种光学调制器，包括：具有电光效应的衬底; 马赫 - 曾德尔光学干涉仪，其形成在基板中，并包括第一波导和第二波导; 信号电极，通过提供与用于光学调制的信号相对应的电信号，向马赫 - 曾德尔光学干涉仪施加电场; 与信号电极分开形成的接地电极; 以及导体部，其沿着光传播方向在中间窄，并且在由信号电极施加的电场相互作用的相互作用部分中沿着光传播方向朝向起始端及其终端逐渐变宽 其中光通过第一波导和第二波导传播。