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1. 发明授权

US07292762B2 Hole-assisted holey fiber and low bending loss multimode holey fiber 有权
标题翻译：孔辅助多孔纤维和低弯曲损耗多模多孔纤维
公开(公告)号：US07292762B2
公开(公告)日：2007-11-06
申请号：US11178477
申请日：2005-07-12
申请人： Ning Guan , Katsuhiro Takenaga , Katsuaki Izoe , Kazuhiko Aikawa , Kuniharu Himeno
发明人： Ning Guan , Katsuhiro Takenaga , Katsuaki Izoe , Kazuhiko Aikawa , Kuniharu Himeno
IPC分类号： G02B6/032
CPC分类号： G02B6/02333 , G02B6/02357 , G02B6/02361 , G02B6/14
摘要： A hole-assisted holey fiber is provided. The holey fiber includes a core region; a cladding region around the core region, and a plurality of holes in the cladding region around the core region. The core region has a higher refractive index than that of the cladding region. The holes form an inner hole layer and an outer hole layer, and the inner hole layer has the same number of holes as the number of the holes in the outer hole layer. The outer layer holes are provided in locations in which inner holes are absent when viewed from the center of the core region, and holes defining the same layer have the same diameter. A distance Λ1 from a center of the core region to a center of an inner hole and a distance Λ2 from the center of the core region to a center of an outer hole satisfy the relationship Λ1
摘要翻译：提供孔辅助多孔纤维。多孔纤维包括芯区域; 围绕芯区域的包层区域，以及围绕芯区域的包层区域中的多个孔。芯区域具有比包层区域更高的折射率。孔形成内孔层和外孔层，内孔层的孔数与外孔层的孔数相同。外层孔设置在从芯区域的中心观察时不存在内孔的位置，并且限定相同层的孔具有相同的直径。从芯部区域的中心到内部孔的中心距离λ1到从芯部区域的中心到外部中心的距离λ2<2 < 孔的内径满足关系Lambda 1 N 2 N 2和内孔的直径d 1 N 2，直径d 2 < SUB>满足关系d 1 > = d 2 2。

2. 发明申请

US20050013570A1 Graded-index multimode fiber and manufacturing method therefor 有权
公开(公告)号：US20050013570A1
公开(公告)日：2005-01-20
申请号：US10891177
申请日：2004-07-15
申请人： Ning Guan , Katsuhiro Takenaga , Kuniharu Himeno
发明人： Ning Guan , Katsuhiro Takenaga , Kuniharu Himeno
IPC分类号： G02B6/028 , G02B6/02 , G02B6/18
CPC分类号： G02B6/0288
摘要： A graded-index multimode fiber includes a core containing fluorine and a cladding which is provided at an outer periphery of the core, and the fiber has a refractive index profile which satisfies the following Formula (1): n ⁡ ( r ) = { n 1 ⁡ [ 1 - 2 ⁢ ⁢ Δ ⁢ ⁢ ( r a ) α ] 1 / 2 ( O ≤ r ≤ a ) n 1 ⁡ ( 1 - 2 ⁢ ⁢ Δ ) 1 / 2 ( r > a ) ( 1 ) where n(r) is a refractive index of the optical fiber at a distance “r” from the center of the core, n1 is a refractive index at the center of the core, Δ is a relative refractive index difference of the center of the core with respect to the cladding, “a” is a core radius, and α is a refractive index profile exponential parameter.

3. 发明授权

US07406235B2 Graded-index multimode fiber and manufacturing method therefor 有权
标题翻译：渐变折射率多模光纤及其制造方法
公开(公告)号：US07406235B2
公开(公告)日：2008-07-29
申请号：US10934723
申请日：2004-09-07
申请人： Ning Guan , Katsuhiro Takenaga , Kuniharu Himeno
发明人： Ning Guan , Katsuhiro Takenaga , Kuniharu Himeno
IPC分类号： G02B6/02
CPC分类号： G02B6/0288 , G02B6/03622 , G02B6/03694
摘要： A graded-index multimode fiber includes a core made of silica glass, the core having a central region and an outer peripheral region, and a cladding which is provided at an outer periphery of the core. The central region contains one of germanium and phosphorus, and the outer peripheral region contains fluorine.
摘要翻译：分级折射率多模光纤包括由石英玻璃制成的芯，芯具有中心区域和外周区域，以及设置在芯的外周的包层。中心区含有锗和磷之一，外周区含有氟。

4. 发明授权

US07242870B2 Wavelength division multiplexing system 有权
标题翻译：波分复用系统
公开(公告)号：US07242870B2
公开(公告)日：2007-07-10
申请号：US11036981
申请日：2005-01-19
申请人： Ning Guan , Katsuhiro Takenaga , Kuniharu Himeno
发明人： Ning Guan , Katsuhiro Takenaga , Kuniharu Himeno
IPC分类号： H04B10/00
CPC分类号： H04J14/02 , G02B6/0288
摘要： A wavelength division multiplexing system includes a wavelength division multiplexing transmission path including a multimode optical fiber that is codoped with germanium and fluorine. The wavelength division multiplexing system may further include a multiplexer and a demultiplexer, in which the multiplexer and the demultiplexer are coupled via the multimode optical fiber. The wavelength division multiplexing system may further include a first multiplexer/demultiplexer and a second multiplexer/demultiplexer, in which the first multiplexer/demultiplexer and the second multiplexer/demultiplexer are coupled via the multimode optical fiber so that a bidirectional wavelength division multiplexing is enabled.
摘要翻译：波分复用系统包括波分复用传输路径，其包括与锗和氟共掺的多模光纤。波分复用系统还可以包括多路复用器和解复用器，其中复用器和解复用器经由多模光纤耦合。波分复用系统还可以包括第一多路复用器/解复用器和第二多路复用器/解复用器，其中第一多路复用器/解复用器和第二多路复用器/解复用器经由多模光纤耦合，使得能够进行双向波分复用。

5. 发明授权

US07139457B2 Method for compensating modal dispersion in multimode optical fiber transmission path 有权
标题翻译：多模光纤传输路径补偿模态色散的方法
公开(公告)号：US07139457B2
公开(公告)日：2006-11-21
申请号：US11194463
申请日：2005-08-02
申请人： Ning Guan , Shinji Habu , Katsuhiro Takenaga , Kuniharu Himeno , Koichi Harada
发明人： Ning Guan , Shinji Habu , Katsuhiro Takenaga , Kuniharu Himeno , Koichi Harada
IPC分类号： G02B6/26 , G02B6/10
CPC分类号： G02B6/268 , G02B6/0288 , H04B10/2581
摘要： In an optical transmission path including multimode optical fibers, modal dispersion is reduced so that signal light can be transmitted at high speed and across a broad band, at low-cost and over a long distance. To reduce modal dispersion, when the transmission path is constructed by coupling a plurality of multimode optical fibers, a length ratio for the multimode optical fibers that obtains the maximum band of the optical transmission path is determined, and the multimode optical fibers are coupled according to this length ratio. The multimode optical fibers that are used have specific refractive index profiles as mode dispersion-compensating fibers. The compensated fiber and the mode dispersion-compensating fiber are coupled with specific lengths.
摘要翻译：在包括多模光纤的光传输路径中，模式色散减小，使得信号光可以低速和超长距离以高速和宽带传输。为了减少模态色散，当通过耦合多个多模光纤构成传输路径时，确定获得光传输路径的最大频带的多模光纤的长度比，并且多模光纤根据这个长度比。使用的多模光纤具有作为模式色散补偿光纤的特定折射率分布。补偿光纤和模式色散补偿光纤以特定长度耦合。

6. 发明申请

US20060034574A1 Hole-assisted holey fiber and low bending loss multimode holey fiber 有权
标题翻译：孔辅助多孔纤维和低弯曲损耗多模多孔纤维
公开(公告)号：US20060034574A1
公开(公告)日：2006-02-16
申请号：US11178477
申请日：2005-07-12
申请人： Ning Guan , Katsuhiro Takenaga , Katsuaki Izoe , Kazuhiko Aikawa , Kuniharu Himeno
发明人： Ning Guan , Katsuhiro Takenaga , Katsuaki Izoe , Kazuhiko Aikawa , Kuniharu Himeno
IPC分类号： G02B6/032
CPC分类号： G02B6/02333 , G02B6/02357 , G02B6/02361 , G02B6/14
摘要： A hole-assisted holey fiber is provided. The holey fiber includes a core region; a cladding region around the core region, and a plurality of holes in the cladding region around the core region. The core region has a higher refractive index than that of the cladding region. The holes form an inner hole layer and an outer hole layer, and the inner hole layer has the same number of holes as the number of the holes in the outer hole layer. The outer layer holes are provided in locations in which inner holes are absent when viewed from the center of the core region, and holes defining the same layer have the same diameter. A distance Λ1 from a center of the core region to a center of an inner hole and a distance Λ2 from the center of the core region to a center of an outer hole satisfy the relationship Λ1
摘要翻译：提供孔辅助多孔纤维。多孔纤维包括芯区域; 围绕芯区域的包层区域，以及围绕芯区域的包层区域中的多个孔。芯区域具有比包层区域更高的折射率。孔形成内孔层和外孔层，内孔层的孔数与外孔层的孔数相同。外层孔设置在从芯区域的中心观察时不存在内孔的位置，并且限定相同层的孔具有相同的直径。从芯部区域的中心到内部孔的中心距离λ1到从芯部区域的中心到外部中心的距离λ2<2 < 孔的内径满足关系Lambda 1 N 2 N 2和内孔的直径d 1 N 2，直径d 2 < SUB>满足关系d <1> <= D 2 <2>。

7. 发明申请

US20050157995A1 Wavelength division multiplexing system 有权
标题翻译：波分复用系统
公开(公告)号：US20050157995A1
公开(公告)日：2005-07-21
申请号：US11036981
申请日：2005-01-19
申请人： Ning Guan , Katsuhiro Takenaga , Kuniharu Himeno
发明人： Ning Guan , Katsuhiro Takenaga , Kuniharu Himeno
IPC分类号： G02B6/00 , G02B6/028 , G02B6/293 , H04B10/2581 , H04J14/00 , H04J14/02 , G02B6/02 , G02B6/16
CPC分类号： H04J14/02 , G02B6/0288
摘要： A wavelength division multiplexing system includes a wavelength division multiplexing transmission path including a multimode optical fiber that is codoped with germanium and fluorine. The wavelength division multiplexing system may further include a multiplexer and a demultiplexer, in which the multiplexer and the demultiplexer are coupled via the multimode optical fiber. The wavelength division multiplexing system may further include a first multiplexer/demultiplexer and a second multiplexer/demultiplexer, in which the first multiplexer/demultiplexer and the second multiplexer/demultiplexer are coupled via the multimode optical fiber so that a bidirectional wavelength division multiplexing is enabled.
摘要翻译：波分复用系统包括波分复用传输路径，其包括与锗和氟共掺的多模光纤。波分复用系统还可以包括多路复用器和解复用器，其中复用器和解复用器经由多模光纤耦合。波分复用系统还可以包括第一多路复用器/解复用器和第二多路复用器/解复用器，其中第一多路复用器/解复用器和第二多路复用器/解复用器经由多模光纤耦合，使得能够进行双向波分复用。

8. 发明申请

US20050053351A1 Graded-index multimode fiber and manufacturing method therefor 有权
标题翻译：渐变折射率多模光纤及其制造方法
公开(公告)号：US20050053351A1
公开(公告)日：2005-03-10
申请号：US10934723
申请日：2004-09-07
申请人： Ning Guan , Katsuhiro Takenaga , Kuniharu Himeno
发明人： Ning Guan , Katsuhiro Takenaga , Kuniharu Himeno
IPC分类号： G02B6/028 , G02B6/00
CPC分类号： G02B6/0288 , G02B6/03622 , G02B6/03694
摘要： A graded-index multimode fiber includes a core made of silica glass, the core having a central region and an outer peripheral region, and a cladding which is provided at an outer periphery of the core. The central region contains one of germanium and phosphorus, and the outer peripheral region contains fluorine.
摘要翻译：分级折射率多模光纤包括由石英玻璃制成的芯，芯具有中心区域和外周区域，以及设置在芯的外周的包层。中心区含有锗和磷之一，外周区含有氟。

9. 发明授权

US07831121B2 Extended triangular lattice type photonic bandgap fiber 有权
标题翻译：扩展三角格子型光子带隙光纤
公开(公告)号：US07831121B2
公开(公告)日：2010-11-09
申请号：US12430986
申请日：2009-04-28
申请人： Ning Guan , Katsuhiro Takenaga , Kuniharu Himeno
发明人： Ning Guan , Katsuhiro Takenaga , Kuniharu Himeno
IPC分类号： G02B6/036
CPC分类号： G02B6/02347 , G02B6/02328 , G02B6/02333 , G02B6/02338
摘要： An extended triangular lattice type photonic bandgap fiber, includes a cladding and a capillary core, the cladding having a plurality of holes disposed within a silica glass portion in a longitudinal direction of the fiber and arranged in an extended triangular lattice shape, the capillary core having a plurality of holes arranged in a triangular lattice shape, wherein the cross-sectional area of the respective holes in the capillary core is smaller than that of the respective holes in the cladding.
摘要翻译：一种扩展的三角格子型光子带隙光纤，包括包层和毛细芯，所述包层具有多个孔，所述多个孔沿着所述纤维的长度方向设置在石英玻璃部内，并且布置成延伸的三角形格子状，所述毛细芯具有布置成三角形格子形状的多个孔，其中毛细管芯中各个孔的横截面面积小于包层中相应孔的横截面面积。

10. 发明授权

US07551824B2 Extended triangular lattice type photonic bandgap fiber 有权
标题翻译：扩展三角格子型光子带隙光纤
公开(公告)号：US07551824B2
公开(公告)日：2009-06-23
申请号：US11693509
申请日：2007-03-29
申请人： Ning Guan , Katsuhiro Takenaga , Kuniharu Himeno
发明人： Ning Guan , Katsuhiro Takenaga , Kuniharu Himeno
IPC分类号： G02B6/036
CPC分类号： G02B6/02347 , G02B6/02328 , G02B6/02333 , G02B6/02338
摘要： An extended triangular lattice type photonic bandgap fiber, includes a cladding and a capillary core, the cladding having a plurality of holes disposed within a silica glass portion in a longitudinal direction of the fiber and arranged in an extended triangular lattice shape, the capillary core having a plurality of holes arranged in a triangular lattice shape, wherein the cross-sectional area of the respective holes in the capillary core is smaller than that of the respective holes in the cladding.
摘要翻译：一种扩展的三角格子型光子带隙光纤，包括包层和毛细芯，所述包层具有多个孔，所述多个孔沿着所述纤维的长度方向设置在石英玻璃部内，并且布置成延伸的三角形格子状，所述毛细芯具有布置成三角形格子形状的多个孔，其中毛细管芯中各个孔的横截面面积小于包层中相应孔的横截面面积。

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