Mode delay managed few moded optical fiber link
    1.
    发明授权
    Mode delay managed few moded optical fiber link 有权
    模式延迟管理少量光纤链路

    公开(公告)号:US08995803B2

    公开(公告)日:2015-03-31

    申请号:US13759198

    申请日:2013-02-05

    摘要: An optical fiber link suitable for use in a mode division multiplexing (MDM) optical transmission system is disclosed. The link has a first optical fiber having a core which supports the propagation and transmission of an optical signal with X LP modes at a wavelength of 1550 nm, wherein X is an integer greater than 1 and less than or equal to 20, the first fiber having a positive differential mode group delay between the LP01 and LP11 modes at a wavelength between 1530-1570. The link also has a second optical fiber having a core which supports the propagation and transmission of an optical signal with Y LP modes at a wavelength of 1550 nm, wherein Y is an integer greater than 1 and less than or equal to 20, said optical fiber having a negative differential mode group delay between the LP01 and LP11 modes at a wavelength between 1530-1570.

    摘要翻译: 公开了适用于模分多路复用(MDM)光传输系统的光纤链路。 该链路具有第一光纤,其具有支持在1550nm的波长下具有X LP模式的光信号的传播和传输的核心,其中X是大于1且小于等于20的整数,第一光纤 在1530-1570之间的波长在LP01和LP11模式之间具有正差分模式组延迟。 该链路还具有第二光纤,其具有支持在1550nm的波长下具有Y LP模式的光信号的传播和传输的核,其中Y是大于1且小于或等于20的整数,所述光 光纤在1530-1570之间的波长在LP01和LP11模式之间具有负差模模式延迟。

    MODE DELAY MANAGED FEW MODED OPTICAL FIBER LINK
    2.
    发明申请
    MODE DELAY MANAGED FEW MODED OPTICAL FIBER LINK 有权
    模式延迟管理的模拟光纤链接

    公开(公告)号:US20130216181A1

    公开(公告)日:2013-08-22

    申请号:US13759198

    申请日:2013-02-05

    IPC分类号: G02B6/26

    摘要: An optical fiber link suitable for use in a mode division multiplexing (MDM) optical transmission system is disclosed. The link has a first optical fiber having a core which supports the propagation and transmission of an optical signal with X LP modes at a wavelength of 1550 nm, wherein X is an integer greater than 1 and less than or equal to 20, the first fiber having a positive differential mode group delay between the LP01 and LP11 modes at a wavelength between 1530-1570. The link also has a second optical fiber having a core which supports the propagation and transmission of an optical signal with Y LP modes at a wavelength of 1550 nm, wherein Y is an integer greater than 1 and less than or equal to 20, said optical fiber having a negative differential mode group delay between the LP01 and LP11 modes at a wavelength between 1530-1570.

    摘要翻译: 公开了适用于模分多路复用(MDM)光传输系统的光纤链路。 该链路具有第一光纤,其具有支持在1550nm的波长下具有X LP模式的光信号的传播和传输的核心,其中X是大于1且小于等于20的整数,第一光纤 在1530-1570之间的波长在LP01和LP11模式之间具有正差分模式组延迟。 该链路还具有第二光纤,其具有支持在1550nm的波长下具有Y LP模式的光信号的传播和传输的核,其中Y是大于1且小于或等于20的整数,所述光 光纤在1530-1570之间的波长在LP01和LP11模式之间具有负差模模式延迟。

    Few mode optical fibers for mode division multiplexing
    5.
    发明授权
    Few mode optical fibers for mode division multiplexing 有权
    用于模式分割复用的少量模式光纤

    公开(公告)号:US08693834B2

    公开(公告)日:2014-04-08

    申请号:US13420037

    申请日:2012-03-14

    IPC分类号: H04B10/00

    摘要: A few mode optical fiber suitable for use in a mode division multiplexing (MDM) optical transmission system is disclosed. The optical fiber has a graded-index core with a radius R1 in the range from 8 μm to 14 μm, an alpha value greater than or equal to about 2.3 and less than about 2.7 at a wavelength of 1550 nm, and a maximum relative refractive index Δ1MAX from about 0.3% to about 0.6% relative to the cladding. The optical fiber also has an effective area greater than about 90 μm2 and less than about 160 μm2. The core and cladding support only the LP01 and LP11 modes at wavelengths greater than 1500 nm. The cladding has a maximum relative refractive index Δ4MAX such that Δ1MAX>Δ4MAX, and the differential group delay between the LP01 and LP11 modes is less than about 0.5 ns/km at a wavelength of 1550 nm.

    摘要翻译: 公开了适用于模分多路复用(MDM)光传输系统的几种模式光纤。 光纤具有半径R1在8μm至14μm范围内的梯度折射率芯,在1550nm波长处大于或等于约2.3且小于约2.7的α值,以及最大相对折射率 指数&Dgr; 1MAX,相对于包层为约0.3%至约0.6%。 该光纤还具有大于约90μm2且小于约160μm2的有效面积。 芯和包层只支持波长大于1500 nm的LP01和LP11模式。 包层具有最大相对折射率&Dgr; 4MAX,使得&Dgr; 1MAX>&Dgr; 4MAX,并且LP01和LP11模式之间的差分群延迟在1550nm的波长处小于约0.5ns / km。

    Optical fiber with large effective area
    8.
    发明申请
    Optical fiber with large effective area 失效
    光纤有效面积大

    公开(公告)号:US20080304800A1

    公开(公告)日:2008-12-11

    申请号:US12070845

    申请日:2008-02-21

    IPC分类号: G02B6/02

    摘要: An optical fiber comprising: a glass core extending from a centerline to a radius R1; a glass cladding surrounding and in contact with the core, the cladding comprising:a first annular region extending from R1 to a radius R2, the first annular region comprising a radial width, W2=R2−R1, a second annular region extending from R2 to a radius R3, the second annular region comprising a radial width, W3=R3−R2, and a third annular region extending from R3 to an outermost glass radius R4; wherein (i) the core comprises a maximum relative refractive index, Δ1MAX, relative to the third annular region; (ii) wherein the first annular region comprises a radial width W2; and (iii) the second annular region comprises a minimum relative refractive index, Δ3MIN, relative to the third annular region wherein Δ1MAX>Δ2MAX>Δ3MIN, and Δ2MIN>Δ3MIN; and the core and the cladding provide a fiber with cable cutoff less than 1500 nm, dispersion at 1550 nm less than 12 ps/nm/km, effective area at 1550 nm greater than 60 μm2, and preferably greater than 70 μm2. The second annular cladding region may contain a plurality of randomly dispersed holes.

    摘要翻译: 一种光纤,包括:从中心线延伸到半径R1的玻璃芯; 围绕并与芯接触的玻璃包层,所述包层包括:从R1延伸到半径R2的第一环形区域,所述第一环形区域包括径向宽度W2 = R2-R1,从R2延伸到第二环形区域 半径R3,第二环形区域包括径向宽度,W3 = R3-R2,以及从R3延伸到最外侧玻璃半径R4的第三环状区域; 其中(i)所述芯包括相对于所述第三环形区域的最大相对折射率Delta1MAX; (ii)其中所述第一环形区域包括径向宽度W2; 和(iii)第二环形区域包括相对于第三环形区域的最小相对折射率Delta3MIN,其中Delta1MAX> Delta2MAX> Delta3MIN和Delta2MIN> Delta3MIN; 并且芯和包层提供具有小于1500nm的电缆截止的光纤,在1550nm处的色散小于12ps / nm / km,在1550nm处的有效面积大于60mum2,优选大于70mum2。 第二环形包层区域可以包含多个随机分布的孔。

    Large effective area fiber
    9.
    发明申请
    Large effective area fiber 有权
    大面积纤维有效面积

    公开(公告)号:US20080279517A1

    公开(公告)日:2008-11-13

    申请号:US12151171

    申请日:2008-05-05

    IPC分类号: G02B6/028

    CPC分类号: G02B6/0365 G02B6/02019

    摘要: An optical fiber according to an embodiment of the present invention comprises: a glass core extending from a centerline to a radius R1 wherein R1 is greater than about 5 μm; a glass cladding surrounding and in contact with the core, the cladding comprising: (i) a first annular region extending from the radius R1 to a radius R2, the first annular region comprising a radial width, W2=R2−R1, (ii) a second annular region extending from the radius R2 to a radius R3, and comprising a radial width, W3=R3−R2, and (iii) a third annular region surrounding the second annular region and extending from the radius R3 to an outermost glass radius R4; wherein the core comprises a maximum relative refractive index, Δ1MAX, relative to the third annular region, and wherein Δ1MAX is greater than about 0.1% and less than about 0.3%; the first annular region has a refractive index delta Δ2(r) is less than about 0.025%; wherein the second annular region comprises a minimum relative refractive index, Δ3MIN, relative to the third annular region;wherein Δ1MAX>Δ2MAX>Δ3MIN, and Δ2MIN>Δ3MIN

    摘要翻译: 根据本发明实施例的光纤包括:从中心线延伸到半径R 1的玻璃芯,其中R 1>大于5μm; 围绕并与芯接触的玻璃包层,所述包层包括:(i)从半径R 1> 1半径R 2> 2延伸的第一环形区域,第一 包括径向宽度的第二环形区域,(ii)从半径R < SUB> 2 到半径R 3 3,并且包括径向宽度,W 3 3 = R 3→N < 2,和(iii)围绕第二环形区域并从半径R 3 3延伸到最外侧玻璃半径R 4的第三环形区域; 其中所述芯包括相对于所述第三环形区域的最大相对折射率,Δ1MAX1,并且其中Δ1MAX1大于约0.1%且小于约0.3% ; 第一环形区域具有小于约0.025%的折射率差ΔΔ2(r); 其中所述第二环形区域包括相对于所述第三环形区域的最小相对折射率,Δ3 NIN; 其中Delta 1MAX 增量2MAX 三角洲3MIN和三角洲2MIN 三角洲3IN > <0; 并且其中所述芯和所述包层提供具有小于1500nm的电缆截止的光纤,并且在1550nm处的有效面积大于95μm2,并且在20℃下的弯曲损耗为<= 0.5dB / mm直径心轴。

    Multimode optical fiber and system incorporating such
    10.
    发明授权
    Multimode optical fiber and system incorporating such 有权
    多模光纤及其结合的系统

    公开(公告)号:US08842957B2

    公开(公告)日:2014-09-23

    申请号:US13432553

    申请日:2012-03-28

    IPC分类号: G02B6/02 G02B6/028

    CPC分类号: G02B6/0288 G02B6/0281

    摘要: According to some embodiments, a multimode optical fiber comprises a graded index glass core with refractive index Δ1, a maximum refractive index delta Δ1MAX, and a core radius between 10 and 40 microns; and cladding region surrounding the core comprising refractive index Δ4, wherein the fiber exhibits an overfilled bandwidth at an operating wavelength in a 900 to 1250 nm wavelength range of greater than 2.5 GHz-km. According to some embodiments the fiber exhibits an overfilled bandwidth at a wavelength between 950 and 1100 nm which is greater than 4 GHz-km. According to some embodiments the fiber exhibits an overfilled bandwidth at a wavelength between 950 and 1100 nm which is greater than 10 GHz-km.

    摘要翻译: 根据一些实施例,多模光纤包括具有折射率&Dgr; 1,最大折射率δ&Dgr; 1MAX和10至40微米的芯半径的渐变折射率玻璃芯; 以及围绕包含折射率&Dgr; 4的芯的包覆区域,其中在大于2.5GHz-km的900至1250nm波长范围内的光纤在工作波长处表现出过满的带宽。 根据一些实施方案,光纤在950和1100nm之间的波长上表现出超过4GHz-km的过满的带宽。 根据一些实施例,在大于10GHz-km的波长在950和1100nm之间的光纤表现出过满的带宽。