公开(公告)号：US07965436B2

公开(公告)日：2011-06-21

申请号：US11796182

申请日：2007-04-26

Applicant: Mihali Sigalas ,  Shih-Yuan Wang

Inventor： Mihali Sigalas ,  Shih-Yuan Wang

IPC: G02F1/09 ,  G02B26/00

CPC classification number: G02F1/0955 ,  B82Y20/00 ,  G02B6/1225 ,  G02F2201/063 ,  G02F2202/32

Abstract: In an embodiment, micron-size optical Faraday rotator includes a non-magnetic dielectric waveguide. The waveguide includes a plurality of perforations to form a photonic crystal. A magnetic cladding is disposed on at least one side of the waveguide. The Faraday rotator causes non-reciprocal Faraday rotation of an optical signal propagating within the waveguide.

Abstract translation: 在一个实施例中，微米尺寸光学法拉第旋转器包括非磁性介质波导。 波导包括多个穿孔以形成光子晶体。 磁性覆层设置在波导的至少一侧。 法拉第旋转器导致在波导内传播的光信号的不可逆法拉第旋转。

公开(公告)号：US20110103735A1

公开(公告)日：2011-05-05

申请号：US12736335

申请日：2009-03-06

Applicant: Satoshi Oikawa ,  Katsutoshi Kondou ,  Masayuki Ichioka

Inventor： Satoshi Oikawa ,  Katsutoshi Kondou ,  Masayuki Ichioka

IPC: G02F1/035

CPC classification number: G02F1/225 ,  G02F2001/212 ,  G02F2201/063

Abstract: It is intended to suppress the influence of a photorefractive phenomenon or the coupling of stray light to signal light. A Mach-Zehnder waveguide type optical modulator is provided which includes a thin plate 1 with a thickness of 20 μm or less formed of a material having an electro-optical effect, an optical waveguide 2 formed on a front surface or a rear surface of the thin plate, and a modulation electrode modulating light passing through the optical waveguide. The optical waveguide includes an input optical waveguide 21, branched optical waveguides 23 to 28, and an output optical waveguide 30. The branched optical waveguide includes an input branching portion (region B) in which the input optical waveguide is branched into a plurality of optical waveguides, an output merging portion (region D) in which the plurality of optical waveguides connected to the output optical waveguide are merged, and a parallel portion (region C) formed between the input branching portion and the output merging portion. At least one of the input branching portion and the output merging portion has a ratio l/d of a length l along a symmetry axis of the branched optical waveguides to a gap d of the optical waveguide in the parallel portion in the range of 33 to 100.

Abstract translation: 旨在抑制光折射现象或杂散光耦合到信号光的影响。 提供了一种马赫 - 曾德尔波导型光调制器，其包括由具有电光效应的材料形成的厚度为20μm或更小的薄板1，形成在该光学效应的前表面或后表面上的光波导2 以及调制通过光波导的光的调制电极。 光波导包括输入光波导21，分支光波导23至28和输出光波导30.分支光波导包括输入分支部分（区域B），其中输入光波导分支成多个光学 波导，与输出光波导连接的多个光波导合并在一起的输出合并部分（区域D）和形成在输入分支部分和输出合流部分之间的平行部分（区域C）。 输入分支部分和输出合并部分中的至少一个具有沿着分支光波导的对称轴的长度l与平行部分中的光波导的间隙d的比率l / d在33至 100。

公开(公告)号：US20100247024A1

公开(公告)日：2010-09-30

申请号：US12733873

申请日：2008-09-25

Applicant: Yuhki Kinpara ,  Toru Sugamata

Inventor： Yuhki Kinpara ,  Toru Sugamata

IPC: G02F1/035 ,  G02B6/12

CPC classification number: G02F1/0356 ,  G02F1/2255 ,  G02F2001/212 ,  G02F2201/063

Abstract: An optical waveguide type device employing an X-cut substrate having an electro-optical effect is provided in which the modulation efficiency due to an electric field formed by control electrodes is improved. The optical waveguide type device includes: an X-cut substrate having an electro-optical effect; an optical waveguide formed on the substrate; and a control electrode controlling an optical wave propagating in the optical waveguide and including a signal electrode and a ground electrode. Here, the bottom surface of at least one of the signal electrode and the ground electrode disposed to interpose the optical waveguide therebetween is lower (by a height difference d) than the top surface on which the optical waveguide is formed.

Abstract translation: 提供一种使用具有电光效应的X切割基板的光波导型装置，其中由控制电极形成的电场引起的调制效率提高。 光波导型装置包括：具有电光效应的X切割基板; 形成在基板上的光波导; 以及控制电极，其控制在所述光波导中传播的光波，并且包括信号电极和接地电极。 这里，设置成将光波导介于其间的信号电极和接地电极中的至少一个的底面比形成有光波导的顶面低（高度差d）。

公开(公告)号：US07684655B2

公开(公告)日：2010-03-23

申请号：US10468938

申请日：2002-02-22

Applicant: Adrian Petru Vonsovici ,  Ian Edward Day

Inventor： Adrian Petru Vonsovici ,  Ian Edward Day

IPC: G02F1/035 ,  G02B6/10 ,  G02F1/01 ,  G02B21/06

CPC classification number: G02F1/025 ,  G02F2201/063 ,  G02F2202/06 ,  G02F2202/105

Abstract: An electro-optic device includes a semiconducting layer in which is formed a waveguide, a modulator formed across the waveguide comprising a p-doped region to one side and an n-doped region to the other side of the waveguide, wherein at least one of the doped regions extends from the base of a recess formed in the semiconducting layer. In this way, the doped regions can extend further into the semiconducting layer and further hinder escape of charge carriers without the need to increase the diffusion distance of the dopant and incur an additional thermal burden on the device. In an SOI device, the doped region can extend to the insulating layer. Ideally, both the p and n-doped regions extend from the base of a recess, but this may be unnecessary in some designs. Insulating layers can be used to ensure that dopant extends from the base of the recess only, giving a more clearly defined doped region. The (or each) recess can have non-vertical sides, such as are formed by v-groove etches, A combination of a vertical sidewall at the base of the recess and a non-vertical sidewall at the opening could be used.

Abstract translation: 电光器件包括其中形成波导的半导体层，跨越波导形成的调制器，其包括一侧的p掺杂区域和到该波导的另一侧的n掺杂区域，其中至少一个 掺杂区域从形成在半导体层中的凹部的基底延伸。 以这种方式，掺杂区域可以进一步延伸到半导体层中，并且进一步阻碍电荷载流子的逸出，而不需要增加掺杂剂的扩散距离并且在器件上引起额外的热负担。 在SOI器件中，掺杂区域可以延伸到绝缘层。 理想地，p和n掺杂区都从凹部的底部延伸，但是在一些设计中这可能是不必要的。 可以使用绝缘层来确保掺杂剂仅仅从凹部的底部延伸，给出更清楚地限定的掺杂区域。 （或每个）凹部可以具有非垂直的侧面，例如由v形凹槽蚀刻形成。可以使用在凹部的底部处的垂直侧壁和开口处的非垂直侧壁的组合。

公开(公告)号：US20080218847A1

公开(公告)日：2008-09-11

申请号：US12038208

申请日：2008-02-27

Applicant: Takashi Yoshino

Inventor： Takashi Yoshino

IPC: G02F1/35

CPC classification number: G02F1/3775 ,  G02F2201/063

Abstract: It is provided a wavelength conversion device 1 having a ridge optical waveguide 8 and a periodic domain inversion structure formed in the waveguide 8. The optical waveguide 8 has side wall faces 8c, a upper face and edge areas 8a formed between the upper face and the side wall faces 8, respectively. R-faces are formed on the edge areas 8a.

Abstract translation: 提供了一种具有脊形光波导8和形成在波导8中的周期性畴反转结构的波长转换装置1。 光波导8具有分别形成在上表面和侧壁面8之间的侧壁面8c，上表面和边缘区域8a。 R面形成在边缘区域8a上。

公开(公告)号：US07373065B2

公开(公告)日：2008-05-13

申请号：US11725193

申请日：2007-03-16

Applicant: Shoichiro Yamaguchi ,  Takashi Yoshino

Inventor： Shoichiro Yamaguchi ,  Takashi Yoshino

IPC: G02B6/10

CPC classification number: G02F1/3775 ,  G02B6/122 ,  G02B2006/1204 ,  G02B2006/12097 ,  G02B2006/12152 ,  G02F1/035 ,  G02F2201/063

Abstract: It is provided a structure capable of reducing the loss of incident light propagating in a three-dimensional optical waveguide in a optical waveguide substrate having a ridge type optical waveguide. An optical waveguide substrate has a ferroelectric layer 3 made of a ferroelectric material, a ridge portion formed on a surface of the layer 3 and protrusions provided in both sides of the ridge portion. A three-dimensional optical waveguide is provided in the ridge portion. Alternatively, the substrate has a ridge portion 15 formed on a surface of the layer 3 and step portions provided in both sides of the ridge portion 15 and lower than the ridge portion 15. Grooves 16 are formed in the outsides of the step portions, respectively, and a three-dimensional optical waveguide is provided in the ridge portion 15.

Abstract translation: 提供了一种能够减少在具有脊型光波导的光波导基板中在三维光波导中传播的入射光的损失的结构。 光波导基板具有由铁电体材料制成的铁电体层3，形成在层3的表面上的脊部和设置在脊部两侧的突起。 在脊部设置有三维光波导。 或者，基板具有形成在层3的表面上的脊部15和设置在脊部15的两侧并且比脊部15低的台阶部。槽部16分别形成在台阶部的外侧 并且在脊部15中设置有三维光波导。

公开(公告)号：US07233709B2

公开(公告)日：2007-06-19

申请号：US10701722

申请日：2003-11-04

Applicant: David Gines ,  Russell W. Gruhlke ,  Alfonso Amparan

Inventor： David Gines ,  Russell W. Gruhlke ,  Alfonso Amparan

IPC: G02F1/01 ,  G02B6/26

CPC classification number: B82Y20/00 ,  G02F1/01708 ,  G02F2001/0157 ,  G02F2201/063 ,  G02F2201/127 ,  G02F2202/32

Abstract: Embodiments of the invention provide an electro-absorption modulator including an optical waveguide and a microwave waveguide. The microwave waveguide is electromagnetically coupled to the optical waveguide. The optical waveguide includes a quantum well region and a substantially sinusoidal structure. The waveguide mode of the optical waveguide is responsive to the substantially sinusoidal structure.

Abstract translation: 本发明的实施例提供一种包括光波导和微波波导的电吸收调制器。 微波波导电磁耦合到光波导。 光波导包括量子阱区和基本正弦结构。 光波导的波导模式响应于基本上正弦的结构。

公开(公告)号：US07177490B2

公开(公告)日：2007-02-13

申请号：US11341593

申请日：2006-01-30

Applicant: Masaki Sugiyama ,  Tadao Nakazawa

Inventor： Masaki Sugiyama ,  Tadao Nakazawa

IPC: G02F1/295 ,  G02B6/26 ,  G02B6/42 ,  G02B6/10 ,  C03B37/23 ,  C03B37/22

CPC classification number: G02F1/2255 ,  G02B6/12007 ,  G02B6/1228 ,  G02B6/125 ,  G02B6/1342 ,  G02B6/32 ,  G02B6/322 ,  G02B6/4206 ,  G02B6/4214 ,  G02B2006/12097 ,  G02B2006/12119 ,  G02B2006/12142 ,  G02F2201/063

Abstract: An optical waveguide is formed on a substrate and includes a curved ridge structure, a curved optical path, and a buffer layer. The curved ridge structure is formed on the substrate so as to have a curvature in a longitudinal direction of the curved ridge structure. The curved optical path is formed along the curved ridge structure. The buffer layer covers a side of the ridge structure and has a lower refractive index than a refractive index of the substrate.

Abstract translation: 光波导形成在基板上，并且包括弯曲脊结构，弯曲光路和缓冲层。 弯曲脊状结构形成在基板上，以便在弯曲脊状结构的纵向具有曲率。 弯曲的光路沿弯曲的脊结构形成。 缓冲层覆盖脊结构的一侧，折射率低于衬底的折射率。

公开(公告)号：US07130509B2

公开(公告)日：2006-10-31

申请号：US10991138

申请日：2004-11-16

Applicant: Oskar J. Painter ,  David W. Vernooy ,  Kerry J. Vahala

Inventor： Oskar J. Painter ,  David W. Vernooy ,  Kerry J. Vahala

IPC: G02B6/26 ,  G02B6/35

CPC classification number: G02F1/3137 ,  B82Y20/00 ,  G02B6/10 ,  G02B6/12007 ,  G02B6/122 ,  G02B6/132 ,  G02B6/266 ,  G02B6/30 ,  G02B2006/12097 ,  G02B2006/12128 ,  G02B2006/12142 ,  G02B2006/12145 ,  G02B2006/12147 ,  G02B2006/12159 ,  G02B2006/12176 ,  G02F1/011 ,  G02F1/0118 ,  G02F1/01708 ,  G02F1/225 ,  G02F2201/063 ,  G02F2201/307 ,  G02F2203/15

Abstract: A multi-layer laterally-confined dispersion-engineered optical waveguide may include one multi-layer reflector stack for guiding an optical mode along a surface thereof, or may include two multi-layer reflector stacks with a core therebetween for guiding an optical mode along the core. Dispersive properties of such multi-layer waveguides enable modal-index-matching between low-index optical fibers and/or waveguides and high-index integrated optical components and efficient transfer of optical signal power therebetween. Integrated optical devices incorporating such multi-layer waveguides may therefore exhibit low (

Abstract translation: 多层横向限制的色散工程光波导可以包括一个用于沿其表面引导光学模式的多层反射器叠层，或者可以包括两个多层反射器叠层，其间具有用于引导光学模式沿着 核心。 这种多层波导的分散特性使得低折射率光纤和/或波导与高折射率集成光学部件之间的模式折射率匹配和其间的光信号功率的有效传输。 因此，结合这样的多层波导的集成光学器件可能呈现低（<3dB）的插入损耗。 将有源层（电光，电吸收，非线性光学）结合到这样的波导中使得能够以相对低电压/低强度的控制信号主动地控制光学损耗和/或模态指数。 因此，结合这样的波导的集成光学器件可能表现出较低的驱动信号要求。

公开(公告)号：US07009758B2

公开(公告)日：2006-03-07

申请号：US10809053

申请日：2004-03-25

Applicant: Junichiro Ichikawa ,  Futoshi Yamamoto ,  Takashi Shinriki ,  Yoshihiro Hashimoto

Inventor： Junichiro Ichikawa ,  Futoshi Yamamoto ,  Takashi Shinriki ,  Yoshihiro Hashimoto

IPC: G02F1/00

CPC classification number: G02F1/035 ,  G02F1/225 ,  G02F2201/063 ,  G02F2203/21

Abstract: The present invention intends to control DC drift phenomenon in a light control element having ridge structure, and to provide a light control element with high drive stability in a large area. The present invention has character that, in a light control element being equipped with a base plate that has an electrooptic effect, an optical guide and an electrode for modulation that are formed on said base plate, which has ridge structure, an anti-DC drift layer is installed on the surface of the above mentioned base plate where the optical guide is formed, and annealing treatment is performed after ridge processing.

Abstract translation: 本发明旨在控制具有脊结构的光控制元件中的DC漂移现象，并且在大面积上提供具有高驱动稳定性的光控制元件。 本发明的特征在于，在具有电光效应的基板的光控制元件中，形成有具有脊结构的所述基板上的光导和调制用电极，具有防直流漂移 在形成光导的上述基板的表面上安装层，并且在脊加工之后进行退火处理。