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    • 4. 发明申请
    • INLINE FERROMAGNETIC-COMPOSITE ISOLATOR AND METHOD
    • 在线氟化 - 复合隔离器和方法
    • WO03065090A3
    • 2003-09-04
    • PCT/US0302566
    • 2003-01-28
    • PHOTODIGM INCHAMMER JACOB M
    • HAMMER JACOB M
    • G02B6/12G02B6/26G02B6/00G02B6/10
    • G02B6/2746G02B2006/12035G02B2006/12157
    • An exemplary optical isolator (60), which may use a magnetic-composite material (48), and method for making the same are provided. The optical isolator (60) may include a core (42), a cladding (44), and a magnetic-composite material (48). The cladding (44) is positioned relative the core (42) and includes a thinned segment (46) of the cladding (44) with a cladding thickness operable to allow an optical field penetration through the thinned segment (46) of the cladding (44) by a light wave that propagates either in the positive or negative propagation direction. The magnetic-composite material (48) is provided in the presence of a magnetic field, such as a static magnetic field, in a direction perpendicular to the positive propagation direction of the core (42), and is positioned relative the thinned segment (46) to receive the optical field penetration through the thinned segment (46).
    • 提供了可以使用磁性复合材料(48)的示例性光学隔离器(60)及其制造方法。 光隔离器(60)可以包括芯(42),包层(44)和磁复合材料(48)。 包层(44)相对于芯部(42)定位并且包括包层(44)的减薄部分(46),其具有可操作的允许光场穿过包层(44)的变薄部分(46)的包层 )通过在正或负传播方向上传播的光波。 磁性复合材料(48)在与磁芯(42)的正向传播方向正交的方向上存在诸如静态磁场的磁场的情况下设置,并且相对于减薄部分(46)定位 )以接收通过变薄部分(46)的光场穿透。
    • 8. 发明申请
    • AN INTEGRATED PLANAR WAVEGUIDE, AND A METHOD OF MANUFACTURING IT
    • 一体化平面波导及其制造方法
    • WO00073838A1
    • 2000-12-07
    • PCT/DK2000/000280
    • 2000-05-25
    • G02B6/10G02B6/12G02B6/126G02B6/34G02B6/35G02B26/00
    • G02B6/2706G02B6/105G02B6/12004G02B6/126G02B6/2766G02B6/29395G02B6/3594G02B2006/12038G02B2006/12142G02B2006/12157G02B2006/12176
    • In an integrated optical waveguide and a method of manufacturing it, a section for changing polarization state is formed as an independent rotatable unit. The rotation is performed by arranging the independent section on an actuator mechanism consisting of a flap with a sheet (4) on whose upper side the section is arranged. The integrated optical waveguide is formed of a silicon substrate (7) so that the flap is freely movable. The underside of the flap (6) forms an electrode which co-operates with a gold electrode formed on a glass substrate (8), said electrodes constituting the movable parts of the actuator mechanism itself. When a voltage is applied between the electrodes, the integrated optical waveguide will rotate about the axis which is drawn by the direction of light propagation. In an embodiment, the integrated optical waveguide has several sections. The invention provides a polarization controller allowing desired polarization states to be controlled in an optical waveguide, such as in an optical fibre. Also provided is an integrated compensator for use for first order compensation of polarization mode dispersion (PMD) in a wavelength division multiplexing system (WDM).
    • 在集成光波导及其制造方法中,形成用于改变偏振态的部分作为独立的可旋转单元。 通过将独立部分布置在由具有片材(4)的翼片组成的致动器机构上,将该独立部分布置在其上部的上部。 集成光波导由硅基板(7)形成,使得翼片可自由移动。 翼片(6)的下侧形成与形成在玻璃基板(8)上的金电极配合的电极,所述电极构成致动器机构本身的可动部分。 当在电极之间施加电压时,集成光波导将围绕由光传播方向拉出的轴线旋转。 在一个实施例中,集成光波导具有若干部分。 本发明提供了一种偏振控制器,其允许在例如光纤中的光波导中控制期望的偏振状态。 还提供了用于在波分复用系统(WDM)中的偏振模色散(PMD)的一阶补偿的集成补偿器。