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公开(公告)号：EP2562571B1
公开(公告)日：2016-12-28
申请号：EP12181707.6
申请日：2012-08-24
CPC分类号： G02B6/02219 , C03B2201/07 , C03B2201/12 , C03B2201/20 , C03B2201/31 , C03B2201/50 , C03B2203/22 , C03B2203/23 , C03C3/06 , C03C13/045 , C03C2201/08 , G02B6/03611
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公开(公告)号：EP1279978A1
公开(公告)日：2003-01-29
申请号：EP01906256.1
申请日：2001-02-23
发明人： HASEGAWA, T. Yokohama W. of Sumitomo E. Ind. Ltd. , SASAOKA, E. Yokohama W. of Sumitomo Elec. Ind. Ltd , NISHIMURA, M. Yokohama W. of Sumitomo E. Ind. Ltd. , ONISHI, M. Yokohama W. of Sumitomo Elec. Ind. Ltd.
CPC分类号： G02B6/02009 , B82Y20/00 , C03B37/01231 , C03B37/0253 , C03B37/027 , C03B37/02727 , C03B37/02763 , C03B37/02781 , C03B2203/14 , C03B2203/18 , C03B2203/36 , C03B2203/42 , C03B2205/08 , C03B2205/10 , C03B2205/20 , C03B2205/40 , C03B2205/72 , C03C25/6206 , G02B6/02033 , G02B6/02219 , G02B6/02261 , G02B6/02266 , G02B6/02333 , G02B6/02357 , G02B6/02361 , G02B6/02376 , G02B6/032 , G02B6/03627
摘要： In an optical fiber 10 composed of a core region 1 and a cladding region 2 surrounding the core region 1 and having a plurality of regions made of sub mediums 4 having refractive indices different from a refractive index of a main medium 3 disposed in a main medium 3 constituting this cladding region2, these regions made of the sub mediums 4 are arranged in one given or a plurality of a given circular annular regions 2 1 to 2 m and the centers of the regions made of the sub mediums 4 in respective circular annular regions 2 1 to 2 m are arranged on the same circumference centered at the center of the core.
摘要翻译： 在由芯区域1和围绕芯区域1的包层区域2构成的光纤10中，具有多个由副介质4构成的区域，所述子介质4的折射率不同于设置在主介质中的主介质3的折射率 构成该包层区域2的这些区域，由副介质4构成的这些区域被布置在给定的多个给定的圆形环形区域21至2m中，并且将由副介质4制成的区域的中心布置在相应的圆形环形区域21至 2m布置在以芯的中心为中心的同一圆周上。
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公开(公告)号：EP3029498A4
公开(公告)日：2017-03-29
申请号：EP15759007
申请日：2015-02-27
CPC分类号： G02B6/02042 , G02B6/02219 , G02B6/028 , G02B6/0288 , G02B6/036
摘要： In a C band and an L band, a multi-core fiber 1 includes: nine or more core elements 10 and 20 respectively including cores 11 and 21 that propagate light of at least up to a second-order LP mode, inner cladding layers 12 and 22, and trench layers 13 and 23; and an outer cladding 30. The effective refractive indices of light propagating through the cores 11 and 21 adjacent to each other are different from each other such that a magnitude of crosstalk of light of a highest-order LP mode commonly propagating through the cores 11 and 21 adjacent to each other between the cores 11 and 21 adjacent to each other becomes a peak at a bending diameter smaller than a diameter of 100 mm, and the core has a higher refractive index in a center portion than in an outer circumferential portion such that a differential mode group delay of the cores 11 and 12 is 700 picoseconds/km or less.
摘要翻译： 在C波段和L波段中，多芯光纤1包括：九个或更多个芯元件10和20，其分别包括至少高达二阶LP模的光的芯11和21，内包层12 和22，以及沟槽层13和23; 和外包层30.通过彼此相邻的芯11和21传播的光的有效折射率彼此不同，使得最高阶LP模式的光的串扰的大小通常通过芯11和 21彼此相邻的纤芯11和21之间的直径比直径小于100mm的弯曲直径处的峰值，并且芯部在中心部分具有比外周部分更高的折射率，使得 芯11和12的差模组群延迟为700皮秒/ km或更小。
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公开(公告)号：EP0984307A1
公开(公告)日：2000-03-08
申请号：EP99402049.3
申请日：1999-08-12
申请人： ALCATEL
IPC分类号： G02B6/16
CPC分类号： G02B6/0281 , G02B6/02219 , G02B6/02276 , G02B6/0286 , G02B6/03611 , G02B6/03644
摘要： L'invention concerne une fibre optique monomode à dispersion décalée, présentant une gaine avec un indice (n 3 ) donné, et un coeur de fibre avec une partie centrale d'indice (n 2 ) inférieur à celui de la gaine et une partie externe d'indice (n 1 ) supérieur à celui de la gaine, le profil d'indice de ladite fibre étant tel que les parties centrale et externe du coeur sont reliées entre elles par un flanc incliné,
caractérisée en ce que le profil d'indice de la partie centrale d'indice (n 2 ) est en forme de "V".-
公开(公告)号：EP4418024A1
公开(公告)日：2024-08-21
申请号：EP23181475.7
申请日：2023-06-26
CPC分类号： G02B6/02019 , G02B6/02219 , G02B6/03611 , G02B6/0286
摘要： The present disclosure relates to an optical fiber (200) having a core (202) extending along a central axis (206) and a cladding (204) concentrically surrounding the core (202). The core (202) has at least 83-mole percent (mol %) of Silicon dioxide (SiO2) and at most 17-mole percent (mol %) of an up-dopant. And, the cladding (204) has at least 99-mole percent (mol %) of Silicon dioxide (SiO2). Further, the optical fiber (200) has (i) an effective area of greater than or equal to 100 µm2, (ii) a mode field diameter (MFD) in a range of 11 µm to 15 µm, and (iii) a chromatic dispersion of less than or equal to 23.5 picoseconds (ps/(Km.nm) at a wavelength of 1550 nm.
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公开(公告)号：EP3330755A4
公开(公告)日：2018-08-01
申请号：EP15900225
申请日：2015-12-01
发明人： ZHU JIHONG , ZHANG LEI , LONG SHENGYA , WU JUN , AI LIANG , WANG RUICHUN
CPC分类号： G02B6/02009 , G02B1/046 , G02B6/02028 , G02B6/02219 , G02B6/036 , G02B6/03683
摘要： An optical fiber with ultra-low attenuation and bend insensitivity includes a core layer and cladding layers. The cladding layers have an inner cladding layer surrounding the core layer, a trench cladding layer surrounding the inner cladding layer, an auxiliary outer cladding layer surrounding the trench cladding layer, and an outer cladding layer surrounding the auxiliary outer cladding layer. The core layer has a radius of 3.0-3.9 µm, and a relative refractive index difference of -0.04% to 0.12%. The inner cladding layer has a radius of 8-14µm, and a relative refractive index difference of about -0.35% to -0.10%. The trench cladding layer has a radius of about 14-20µm, and a relative refractive index difference of about -0.6% to -0.2%. The auxiliary outer cladding layer has a radius of about 35-50µm, and a relative refractive index difference of about -0.4% to -0.15%. The outer cladding layer is a pure silicon-dioxide glass layer.
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公开(公告)号：EP1279978A4
公开(公告)日：2006-01-04
申请号：EP01906256
申请日：2001-02-23
发明人： HASEGAWA T , SASAOKA E , NISHIMURA M , ONISHI M
IPC分类号： C03B37/012 , C03B37/025 , C03B37/027 , C03C25/62 , G02B6/02 , G02B6/036 , G02B6/122
CPC分类号： G02B6/02009 , B82Y20/00 , C03B37/01231 , C03B37/0253 , C03B37/027 , C03B37/02727 , C03B37/02763 , C03B37/02781 , C03B2203/14 , C03B2203/18 , C03B2203/36 , C03B2203/42 , C03B2205/08 , C03B2205/10 , C03B2205/20 , C03B2205/40 , C03B2205/72 , C03C25/6206 , G02B6/02033 , G02B6/02219 , G02B6/02261 , G02B6/02266 , G02B6/02333 , G02B6/02357 , G02B6/02361 , G02B6/02376 , G02B6/032 , G02B6/03627
摘要： An optical fiber (10) consisting of a core area (1) and a clad area (2) surrounding the core area (1), a plurality of areas consisting of sub-media (4) each having a refractive index different from that of a main medium (3) constituting the clad area (2) being provided in the main medium (3), wherein the areas consisting of these sub-media (4) are disposed in specified one or a plurality of toroidal areas (21-2m), and the centers of the areas consisting of the sub-media (4) within respective toroidal areas (21-2m) are respectively disposed on the same circumferences having the centers at the center of the core.
摘要翻译： 一种由纤芯区域（1）和包围该纤芯区域（1）的包层区域（2）构成的光纤（10），多个由子介质（4）构成的区域，每个子介质具有不同于 在主介质（3）中提供构成包层区（2）的主介质（3），其中由这些子介质（4）构成的区域设置在特定的一个或多个环形区域（21-2m ），并且在相应的环形区域（21-2m）内由子介质（4）组成的区域的中心分别布置在以核心的中心为中心的同一圆周上。
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公开(公告)号：EP1020741A1
公开(公告)日：2000-07-19
申请号：EP98944294.2
申请日：1998-09-29
CPC分类号： G02B6/03644 , G02B6/02014 , G02B6/02219 , G02B6/02276 , G02B6/03611 , G02B6/03627 , G02B6/03633
摘要： The present invention relates to a dispersion-shifted optical fiber comprising a structure for reducing optical loss and restraining nonlinear phenomena from occurring. In order to restrain the nonlinear phenomena from occurring, this dispersion-shifted optical fiber has an effective area of 70 µm 2 or more with respect to light whose center wavelength falls within the range of 1500 to 1600 nm, and the peak position where optical power of the light in a fundamental mode is maximized is radially shifted from a center of a core region by a predetermined distance. Also, in this dispersion-shifted optical fiber, optical power at a position radially separated from the peak position by a distance which is five times the center wavelength of the light becomes 1/100 or less of the optical power at the peak position. As a consequence of this structure, bending loss can effectively be reduced.
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公开(公告)号：EP3330755A1
公开(公告)日：2018-06-06
申请号：EP15900225.2
申请日：2015-12-01
发明人： ZHU, Jihong , ZHANG, Lei , LONG, Shengya , WU, Jun , AI, Liang , WANG, Ruichun
IPC分类号： G02B6/036
CPC分类号： G02B6/02009 , G02B1/046 , G02B6/02028 , G02B6/02219 , G02B6/036 , G02B6/03683
摘要： An optical fiber with ultra-low attenuation and bend insensitivity includes a core layer and cladding layers. The cladding layers have an inner cladding layer surrounding the core layer, a trench cladding layer surrounding the inner cladding layer, an auxiliary outer cladding layer surrounding the trench cladding layer, and an outer cladding layer surrounding the auxiliary outer cladding layer. The core layer has a radius of 3.0-3.9 µm, and a relative refractive index difference of -0.04% to 0.12%. The inner cladding layer has a radius of 8-14µm, and a relative refractive index difference of about -0.35% to -0.10%. The trench cladding layer has a radius of about 14-20µm, and a relative refractive index difference of about -0.6% to -0.2%. The auxiliary outer cladding layer has a radius of about 35-50µm, and a relative refractive index difference of about -0.4% to -0.15%. The outer cladding layer is a pure silicon-dioxide glass layer.
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公开(公告)号：EP3029498A1
公开(公告)日：2016-06-08
申请号：EP15759007.6
申请日：2015-02-27
CPC分类号： G02B6/02042 , G02B6/02219 , G02B6/028 , G02B6/0288 , G02B6/036
摘要： In a C band and an L band, a multi-core fiber 1 includes: nine or more core elements 10 and 20 respectively including cores 11 and 21 that propagate light of at least up to a second-order LP mode, inner cladding layers 12 and 22, and trench layers 13 and 23; and an outer cladding 30. The effective refractive indices of light propagating through the cores 11 and 21 adjacent to each other are different from each other such that a magnitude of crosstalk of light of a highest-order LP mode commonly propagating through the cores 11 and 21 adjacent to each other between the cores 11 and 21 adjacent to each other becomes a peak at a bending diameter smaller than a diameter of 100 mm, and the core has a higher refractive index in a center portion than in an outer circumferential portion such that a differential mode group delay of the cores 11 and 12 is 700 picoseconds/km or less.
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