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21. 发明申请

US20090052848A1 OPTICAL FIBER, OPTICAL FIBER RIBBON, AND OPTICAL INTERCONNECTION SYSTEM 有权
标题翻译：光纤，光纤光纤和光纤互连系统
公开(公告)号：US20090052848A1
公开(公告)日：2009-02-26
申请号：US12257462
申请日：2008-10-24
申请人： Iwao SHIMOTAKAHARA , Harumi Inaba , Ryuichi Sugizaki
发明人： Iwao SHIMOTAKAHARA , Harumi Inaba , Ryuichi Sugizaki
IPC分类号： G02B6/44 , G02B6/028
CPC分类号： G02B6/0288 , G02B6/14 , G02B6/43 , G02B6/4403
摘要： An optical fiber has a refractive index profile approximated by n(r)=n1[1−2(Δ1/100)(r/a)̂α]1/2 when 0
摘要翻译：当0

22. 发明申请

US20080292257A1 Optical fiber and optical transmission line and optical communication system including such optical fiber 有权
标题翻译：光纤和光传输线以及包括这种光纤的光通信系统
公开(公告)号：US20080292257A1
公开(公告)日：2008-11-27
申请号：US12213509
申请日：2008-06-20
申请人： Naomi Kumano , Ryuichi Sugizaki , Kazunori Mukasa , Takeshi Yagi
发明人： Naomi Kumano , Ryuichi Sugizaki , Kazunori Mukasa , Takeshi Yagi
IPC分类号： G02B6/036
CPC分类号： G02B6/03688 , G02B6/02009 , G02B6/02028 , G02B6/02233 , G02B6/02238 , G02B6/02242 , G02B6/02271 , G02B6/02285 , G02B6/0281 , G02B6/03627 , G02B6/03644 , G02B6/03661 , G02B6/03677 , G02B6/29376 , H04B10/25253
摘要： Optical fibers to form an optical transmission line suitable for WDM transmission in a wide-spreading wavelength band, having the following characteristics and parameters: a dispersion in absolute value of 0.5 ps/nm/km to 9 ps/nm/km in a wavelength band of 1430 nm to 1625 nm, a dispersion slope in absolute value of 0.04 ps/nm2/km or less at a wavelength of 1550 nm, a mode field diameter of 7 μm or less at a wavelength of 1550 nm and a cable cutoff wavelength of less than 1430 nm; core 11 surrounded by cladding 7, core 11 being at least two-layered (first layer 1 at the center and second layer 2 surrounding the first layer; relative refractive index of glass layer Δ1 with reference to the cladding being adjusted to not less than 0.6 but not more than 1.6%, relative refractive index of second layer Δ2 with reference to the cladding being adjusted to a negative value.
摘要翻译：用于形成适用于宽扩频波段中的WDM传输的光传输线的光纤，具有以下特性和参数：波长带中绝对值的偏差为0.5ps / nm / km至9ps / nm / km 为1450nm至1625nm，波长1550nm处的绝对值为0.04ps / nm 2 / km以下的色散斜率，波长1550nm的模场直径为7μm以下，电缆截止波长为小于1430nm; 芯11由包层7包围，芯11为至少两层（中心为第一层1，围绕第一层的第二层2;玻璃层Delta1相对于包层的相对折射率调整为不小于0.6 但不超过1.6％，相对于包层将第二层Delta2的相对折射率调整为负值。

23. 发明申请

US20070247702A1 OPTICAL FIBER FOR RAMAN AMPLIFICATION, OPTICAL FIBER COIL, RAMAN AMPLIFIER, AND OPTICAL COMMUNICATION SYSTEM 有权
标题翻译：用于拉曼放大的光纤，光纤线圈，拉曼放大器和光通信系统
公开(公告)号：US20070247702A1
公开(公告)日：2007-10-25
申请号：US11767314
申请日：2007-06-22
申请人： Yuki TANIGUCHI , Yoshihiro Emori , Ryuichi Sugizaki , Atsushi Oguri , Takeshi Yagi
发明人： Yuki TANIGUCHI , Yoshihiro Emori , Ryuichi Sugizaki , Atsushi Oguri , Takeshi Yagi
IPC分类号： H01S3/00
CPC分类号： G02B6/0281 , G02B6/02028 , G02B6/02242 , G02B6/02252 , G02B6/03627 , H01S3/06716 , H01S3/06725 , H01S3/06729 , H01S3/06758 , H01S3/06766 , H01S3/0677 , H01S3/06775 , H01S3/094003 , H01S3/302
摘要： An optical fiber for Raman amplification amplifies a signal light with a pumping light. A chromatic dispersion at a wavelength of 1,550 nm is in a range between −70 ps/nm/km and −30 ps/nm/km. Raman gain efficiency with a pumping light of 1,450 nm is equal to or more than 5 (W×km)−1. Nonlinear coefficient at the wavelength of 1,550 nm is equal to or less than 5.0×10−9 W−1. Zero-dispersion wavelength is neither at a wavelength of the signal light nor at a wavelength of the pumping light. Cut-off wavelength is equal to or less than the wavelength of the pumping light.
摘要翻译：用于拉曼放大的光纤利用泵浦光放大信号光。波长为1,550nm的色散在-70ps / nm / km和-30ps / nm / km之间的范围内。具有1,450nm的泵浦光的拉曼增益效率等于或大于5（Wxkm）^{-1。在1,550nm波长处的非线性系数等于或小于5.0×10 -9 W -1。零色散波长既不在信号光的波长处，也不在泵浦光的波长处。截止波长等于或小于泵浦光的波长。}

24. 发明授权

US07126748B2 Optical fiber, optical fiber module, and Raman amplifier 有权
标题翻译：光纤，光纤模块和拉曼放大器
公开(公告)号：US07126748B2
公开(公告)日：2006-10-24
申请号：US10871052
申请日：2004-06-21
申请人： Ryuichi Sugizaki , Yuki Taniguchi , Takeshi Yagi
发明人： Ryuichi Sugizaki , Yuki Taniguchi , Takeshi Yagi
IPC分类号： H01S4/00 , H04B10/12
CPC分类号： G02B6/02028 , G02B6/0281 , G02B6/03627 , G02B6/03644 , H01S3/005 , H01S3/0064 , H01S3/06729 , H01S3/06754 , H01S3/094003 , H01S3/0941 , H01S3/302 , H04B10/2916
摘要： An optical fiber has a Raman gain efficiency with a pump power at 1450 nanometers of equal to or more than 4 m/W, and a ratio of a nonlinear parameter γ at a wavelength of 1550 nanometers to the Raman gain efficiency with a pump power of 1450 nanometers is equal to or less than 3.
摘要翻译：光纤具有拉曼增益效率，泵功率在1450纳米等于或大于4m / W，而波长1550纳米的非线性参数γ与拉曼增益效率的比值与泵浦功率 1450纳米等于或小于3。

25. 发明申请

US20060093297A1 Single-mode optical fiber 有权
标题翻译：单模光纤
公开(公告)号：US20060093297A1
公开(公告)日：2006-05-04
申请号：US11022752
申请日：2004-12-28
申请人： Akifumi Sako , Ryuichi Sugizaki , Takeshi Yagi
发明人： Akifumi Sako , Ryuichi Sugizaki , Takeshi Yagi
IPC分类号： G02B6/036 , G02B6/02 , G02B6/028
CPC分类号： G02B6/02009 , G02B6/0281 , G02B6/03627 , G02B6/03644
摘要： Provided is a single-mode optical fiber that propagates an optical signal at a wavelength of 1310 nm, in single-mode operation; has a mode field diameter of 6.6 μm or more at the wavelength of 1310 nm; and a macro bending loss of at most 0.1 dB/10 turns with a bending radius of 7.5 mm at a wavelength of 1650 nm.
摘要翻译：提供了在单模操作中传播1310nm波长的光信号的单模光纤; 在1310nm的波长下具有6.6μm以上的模场直径; 并且在1650nm的波长处的弯曲半径为7.5mm的宏弯曲损耗为0.1dB / 10圈以下。

26. 发明申请

US20050146781A1 Optical fiber, and optical module and Raman amplifier using the optical fiber 失效
标题翻译：光纤，以及使用光纤的光模块和拉曼放大器
公开(公告)号：US20050146781A1
公开(公告)日：2005-07-07
申请号：US10747180
申请日：2003-12-30
申请人： Ryuichi Sugizaki , Takeshi Yagi
发明人： Ryuichi Sugizaki , Takeshi Yagi
IPC分类号： H01S3/00 , H01S3/067 , H01S3/30
CPC分类号： H01S3/302 , H01S3/06729
摘要： The present invention provides an optical fiber having dispersion of −8 ps/nm/km or less at a wavelength of 1460 nm including a reference layer which is a reference of a refractive index profile and at least three glass layers that exist inside the reference layer, characterized in that when it is assumed that the maximum relative refractive index difference of the first glass layer formed innermost of the at least three glass layers with respect to the reference layer is Δ1, the relative refractive index difference of the second glass layer formed second from the inside with respect to the reference layer is Δ2, the relative refractive index difference of the third glass layer formed third from the inside with respect to the reference layer is Δ3 and the relative refractive index difference of the reference layer with respect to pure quartz glass is ΔC, Δ1>Δ3>Δ2, Δ1≧1.0% and ΔC
摘要翻译：本发明提供一种在1460nm波长下具有-8ps / nm / km或更小的色散的光纤，包括参考层，该参考层是折射率分布的参考，并且至少三个玻璃层存在于参考层内其特征在于，当假设形成在所述至少三个玻璃层中最内侧的所述第一玻璃层相对于所述参考层的最大相对折射率差为Δ1时，形成所述第二玻璃层的相对折射率差相对于参考层，从内侧相对于参考层形成的第三玻璃层的相对折射率差为Delta3，参考层相对于纯石英的相对折射率差为Delta3 玻璃是DeltaC，Delta1> Delta3> Delta2，Delta1> = 1.0％和DeltaC <0，并且还提供光学模块和拉曼放大器使用光纤。

27. 发明授权

US06668121B2 Optical fiber, and dispersion compensator using same, optical transmission line using same and optical transmission system using same 有权
标题翻译：光纤和色散补偿器使用相同，光传输线使用相同，光传输系统使用相同
公开(公告)号：US06668121B2
公开(公告)日：2003-12-23
申请号：US09956829
申请日：2001-09-21
申请人： Ryuichi Sugizaki , Takeshi Yagi
发明人： Ryuichi Sugizaki , Takeshi Yagi
IPC分类号： G02B602
CPC分类号： G02B6/03644 , G02B6/02228 , G02B6/02242 , G02B6/02257 , G02B6/02261 , G02B6/29377
摘要： There is provided an optical fiber for flattening a dispersion slope in a transmission wavelength band and suitable for high bit-rate and high capacity WDM transmission in a wide range. In this optical fiber, conditions of 0.8%≦&Dgr;1≦3.0%, −0.7%≦&Dgr;2≦−0.4%, and 0.2%≦&Dgr;3≦0.5% are satisfied when a relative refractive index difference of the first core with respect to the clad is set to &Dgr;1, a relative refractive index difference of the second core with respect to the clad is set to &Dgr;2, and a relative refractive index difference of the third core with respect to the clad is set to &Dgr;3. A cable cutoff wavelength lies on a short wavelength side from 1520 nm. Further, relations of S
摘要翻译：提供了一种用于在传输波长带中平坦化色散斜率并适用于宽范围内的高比特率和高容量WDM传输的光纤。在该光纤中，当第一个光纤的相对折射率差异为0.8％时，满足0.8％<= 3.0％，-0.7％<=Δ2≤0.4％和0.2％<=Δ3≤0.5％的条件将芯体相对于包层设定为Δ1，第二芯相对于包层的相对折射率差设定为Δ2，第三芯相对于包层的相对折射率差设定为Delta3。电缆截止波长位于1520nm的短波长侧。此外，当在特定的波长带内的波长频带为1.5μm的范围宽度不小于20nm的特定设定波长带中，满足S <0和0 <（D / S）<= 200的关系波长为1.5μm的波长被设定为D（ps / nm / km），色散斜率设定为S（ps / nm 2 / km）。

28. 发明授权

US07878712B2 Optical fiber, optical fiber ribbon, and optical interconnection system 有权
标题翻译：光纤，光纤带和光互连系统
公开(公告)号：US07878712B2
公开(公告)日：2011-02-01
申请号：US12257462
申请日：2008-10-24
申请人： Iwao Shimotakahara , Harumi Inaba , Ryuichi Sugizaki
发明人： Iwao Shimotakahara , Harumi Inaba , Ryuichi Sugizaki
IPC分类号： G02B6/28
CPC分类号： G02B6/0288 , G02B6/14 , G02B6/43 , G02B6/4403
摘要： An optical fiber has a refractive index profile approximated by n(r)=n1[1-2(Δ1/100)(r/a)^α]1/2 when 0
摘要翻译：当0

29. 发明授权

US07689080B2 Optical fiber ribbon 有权
标题翻译：光纤带
公开(公告)号：US07689080B2
公开(公告)日：2010-03-30
申请号：US12115877
申请日：2008-05-06
申请人： Harumi Inaba , Ryuichi Sugizaki , Takeshi Yagi
发明人： Harumi Inaba , Ryuichi Sugizaki , Takeshi Yagi
IPC分类号： G02B6/44
CPC分类号： G02B6/4436 , G02B6/02395 , G02B6/03627 , G02B6/4403
摘要： An optical fiber ribbon includes a plurality of optical fibers, each includes a glass optical fiber coated with a fiber coating, that are arranged in parallel, and a ribbon coating that coats the optical fibers arranged in parallel. The optical fiber ribbon has a thickness equal to 300 μm or less. The fiber coating is made of a non-flame-resistant ultraviolet curable resin. The ribbon coating has a thickness equal to 40 μm or more and is made of a flame resistant resin.
摘要翻译：光纤带包括多个光纤，每个光纤均包括平行布置的涂覆有纤维涂层的玻璃光纤，以及涂覆平行排列的光纤的带状涂层。光纤带的厚度等于或小于300μm。纤维涂层由非阻燃紫外线固化树脂制成。带涂层的厚度等于或等于40μm，由耐火树脂制成。

30. 发明授权

US07440167B2 Optical fiber for Raman amplification, optical fiber coil, Raman amplifier, and optical communication system 有权
标题翻译：用于拉曼放大的光纤，光纤线圈，拉曼放大器和光通信系统
公开(公告)号：US07440167B2
公开(公告)日：2008-10-21
申请号：US11767314
申请日：2007-06-22
申请人： Yuki Taniguchi , Yoshihiro Emori , Ryuichi Sugizaki , Atsushi Oguri , Takeshi Yagi
发明人： Yuki Taniguchi , Yoshihiro Emori , Ryuichi Sugizaki , Atsushi Oguri , Takeshi Yagi
IPC分类号： H01S4/00 , H04B10/12 , G02B6/036
CPC分类号： G02B6/0281 , G02B6/02028 , G02B6/02242 , G02B6/02252 , G02B6/03627 , H01S3/06716 , H01S3/06725 , H01S3/06729 , H01S3/06758 , H01S3/06766 , H01S3/0677 , H01S3/06775 , H01S3/094003 , H01S3/302
摘要： An optical fiber for Raman amplification amplifies a signal light with a pumping light. A chromatic dispersion at a wavelength of 1,550 nm is in a range between −70 ps/nm/km and −30 ps/nm/km. Raman gain efficiency with a pumping light of 1,450 nm is equal to or more than 5 (W×km)−1. Nonlinear coefficient at the wavelength of 1,550 nm is equal to or less than 5.0×10−9 W−1. Zero-dispersion wavelength is neither at a wavelength of the signal light nor at a wavelength of the pumping light. Cut-off wavelength is equal to or less than the wavelength of the pumping light.
摘要翻译：用于拉曼放大的光纤用泵浦光放大信号光。波长为1,550nm的色散在-70ps / nm / km和-30ps / nm / km之间的范围内。具有1,450nm的泵浦光的拉曼增益效率等于或大于5（Wxkm）^{-1。在1,550nm波长处的非线性系数等于或小于5.0×10 -9 W -1。零色散波长既不在信号光的波长处，也不在泵浦光的波长处。截止波长等于或小于泵浦光的波长。}

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