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    • 5. 发明授权
    • Optical device, optical system, and method of manufacturing optical device
    • 光学装置,光学系统和制造光学装置的方法
    • US08260095B2
    • 2012-09-04
    • US12440332
    • 2007-09-07
    • Rei YamamotoToshihiro Kuroda
    • Rei YamamotoToshihiro Kuroda
    • G02B6/12
    • G02B6/29361G02B6/264G02B6/29362G02B6/3636G02B6/3652G02B6/3692
    • An optical device to be connected to an optical fiber and an optical system in which the optical fiber is fixed to the optical device are provided, which optical device and optical system can restrict variations in a distance between inclined surfaces for supporting the optical fiber, and can enhance a productivity of the optical device and system. The optical system according to the present invention is, for example an optical multiplexer/demultiplexer having an optical device according to the present invention, which device has a substrate (2) with a crystal axis, and a groove (10a) for supporting an optical fiber (6a). The groove (10a) has a pair of opposing inclined surfaces (24) for supporting the optical fiber (6a), and a recess (26) formed between the pair of opposing inclined surfaces (24).
    • 设置连接到光纤的光学装置和其中光纤固定到光学装置的光学系统,该光学装置和光学系统可以限制用于支撑光纤的倾斜表面之间的距离的变化,以及 可以提高光学设备和系统的生产率。 根据本发明的光学系统是例如具有根据本发明的光学装置的光复用器/解复用器,该器件具有具有晶体轴的衬底(2)和用于支撑光学器件的凹槽(10a) 纤维(6a)。 槽(10a)具有用于支撑光纤(6a)的一对相对的倾斜表面(24)和形成在该对相对的倾斜表面(24)之间的凹部(26)。
    • 7. 发明授权
    • S-shaped curved optical waveguide and optical device
    • S形弯曲光波导和光学器件
    • US07444050B2
    • 2008-10-28
    • US11582977
    • 2006-10-19
    • Nobuo MiyaderaRei Yamamoto
    • Nobuo MiyaderaRei Yamamoto
    • G02B6/26
    • G02B6/125G02B2006/1215
    • The present invention relates to a curved optical waveguide which is free of any axis-deviation structure in the middle of the waveguide and which has a sigmoidal core shape, wherein the curvature thereof at one end is zero and the curvature thereof at the other end is finite (>0) and the use of such a curved optical waveguide permits the reduction of optical loss at the connected portions to the lowest possible level even when it is applied to, for instance, an optical splitter or a directional coupler and the curved optical waveguide of the present invention can provide an optical waveguide which never requires the use of any offset.
    • 本发明涉及一种弯曲光波导,其在波导中间没有任何轴偏离结构,并且具有S形铁芯形状,其一端的曲率为零,另一端的曲率为 有限(> 0),并且使用这种弯曲的光波导允许将连接部分处的光损耗降低到最低可能水平,即使将其应用于例如分光器或定向耦合器和弯曲光学 本发明的波导可以提供从不需要使用任何偏移的光波导。
    • 8. 发明申请
    • Curved optical waveguide and optical device
    • 弯曲光波导和光学器件
    • US20070154141A1
    • 2007-07-05
    • US10587170
    • 2005-01-20
    • Nobuo MiyaderaRei Yamamoto
    • Nobuo MiyaderaRei Yamamoto
    • G02B6/26G02B6/42
    • G02B6/125G02B6/30
    • A curved optical waveguide comprising a core and a clad, characterized in that: the core shape of the curved optical waveguide has no reversal of a curvature on a halfway; and curvatures at both ends of the curved optical waveguide gradually approach zero. A curved optical waveguide comprising a core and a clad, characterized in that: the core shape of the curved optical waveguide has no reversal of a curvature on a halfway; a curvature at one end of the curved optical waveguide gradually approaches zero; and a radius of curvature at other end is finite. An optical waveguide comprising such a curved optical waveguide and an optical waveguide having a different core shape optically connected with the former, and an optical device using such a curved optical waveguide.
    • 一种包括芯和包层的弯曲光波导,其特征在于:弯曲光波导的芯形在中途没有反转曲率; 曲面光波导两端的曲率逐渐接近零。 一种包括芯和包层的弯曲光波导,其特征在于:弯曲光波导的芯形在中途没有反转曲率; 曲面光波导一端的曲率逐渐接近零; 另一端的曲率半径是有限的。 包括这种弯曲光波导的光波导和具有与前者光学连接的不同核心形状的光波导和使用这种弯曲光波导的光学装置。
    • 9. 发明授权
    • Optical system and method of manufacturing the same
    • 光学系统及其制造方法
    • US07748910B2
    • 2010-07-06
    • US12224486
    • 2007-02-27
    • Rei YamamotoToshihiro Kuroda
    • Rei YamamotoToshihiro Kuroda
    • G02B6/36G02B6/26G02B6/30
    • G02B6/3652G02B6/29368G02B6/32G02B6/3636G02B6/3696
    • An optical system comprising a substrate and an optical waveguide which is formed on the substrate and to which optical fibers are optically coupled. The optical waveguide has a plurality of straight core portions which obliquely intersect each other. The substrate has positioning sections for positioning a plurality of optical fibers optically coupled to two or more of the plurality of the core portions, the positioning sections having grooves on which the respective optical fibers are supported. When the plurality of optical fibers are supported on the respective grooves, offsets between centers of the plurality of the core portions and respective centers of the plurality of the optical fibers coupled to the core portions are equal to or less than 5 μm.
    • 一种光学系统,包括衬底和光波导,所述光波导形成在所述衬底上,所述光纤被光学耦合。 光波导具有多个相互倾斜地相交的直芯部。 基板具有定位部分,用于定位与多个芯部中的两个或多个光学耦合的多个光纤,定位部分具有支撑相应光纤的槽。 当多个光纤被支撑在各个沟槽上时,多个芯部的中心之间的偏移和耦合到芯部的多个光纤的相应中心之间的偏移等于或小于5μm。
    • 10. 发明申请
    • Optical waveguide structure, optical-waveguide-type optical module and optical fiber array
    • 光波导结构,光波导型光模块和光纤阵列
    • US20070154145A1
    • 2007-07-05
    • US11640380
    • 2006-12-18
    • Nobuo MiyaderaRei YamamotoShigeyuki Yagi
    • Nobuo MiyaderaRei YamamotoShigeyuki Yagi
    • G02B6/30
    • G02B6/30G02B6/125G02B6/3636G02B6/3652
    • An optical waveguide structure (6) comprises a substrate (12) having a first groove array (8) and a second groove array (10) which are longitudinally spaced from each other, and an optical waveguide (14) layered on the substrate (12) between the first and second groove arrays (8, 10). Each groove array (8, 10) includes a plurality of grooves (8a-8g, 10a-10h) extending longitudinally and arranged laterally relative to each other. The optical waveguide (14) has a cladding layered on the substrate (14), and a core (14b) formed on the cladding so that, when optical fibers (2, 4) are supported and positioned on the grooves (8a-8g, 10a-10h) of the first and second groove arrays (8, 10), the core (14b) of the optical waveguide (14) is aligned with cores (2a, 4a) of the optical fibers (2, 4) at the same level in an vertical direction. In order to allow light transmission between optical fibers (2, 4) positioned at the respective first and second groove arrays (8, 10), the optical waveguide (14) has at least one first port (20) aligned with a groove (8d) of the first groove array (8), and at least one second port (22) aligned with a groove (10e) of the second groove array (10). The number of the second port (22) is equal to or greater than that of the first port (20). A ratio of the number of the grooves (10a-10h) of the second groove array (10) relative to the number of the grooves (8a-8g) of the first groove array (8) is less than a ratio of the number of the second ports (22) relative to the number of the first ports (20).
    • 光波导结构(6)包括具有彼此纵向间隔开的第一凹槽阵列(8)和第二凹槽阵列(10)的基底(12)和层叠在基底(12)上的光波导(14) )在第一和第二凹槽阵列(8,10)之间。 每个凹槽阵列(8,10)包括纵向延伸并相对于彼此横向布置的多个凹槽(8a-8g,10a-10h)。 光波导(14)具有层叠在基板(14)上的包层和形成在包层上的芯(14b),使得当光纤(2,4)被支撑并定位在槽(8a- 8g,10a-10h)的第一和第二凹槽阵列(8,10)中,光波导(14)的芯(14b)与光纤的芯(2a,4a)对准 (2,4)在垂直方向处于同一水平。 为了允许位于相应的第一和第二凹槽阵列(8,10)处的光纤(2,4)之间的光透射,光波导(14)具有至少一个与凹槽(8)对准的第一端口(20) d)和与第二凹槽阵列(10)的凹槽(10e)对准的至少一个第二端口(22)。 第二端口(22)的数量等于或大于第一端口(20)的数量。 第二凹槽阵列(10)的凹槽(10a-10h)的数量相对于第一凹槽阵列(8)的凹槽(8a-8g)的数量的比率小于比率 的第二端口(22)的数量相对于第一端口(20)的数量。