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    • 4. 发明授权
    • Passive connectivity of waveguides for optical components
    • 用于光学元件的波导的被动连接
    • US06957004B2
    • 2005-10-18
    • US10138083
    • 2002-05-03
    • Jenkin A. RichardSteven J. BenerofeEric V. ChamnessGeorge H. Guan
    • Jenkin A. RichardSteven J. BenerofeEric V. ChamnessGeorge H. Guan
    • G02B6/30G02B6/32G02B6/38G02B6/42G02B6/12G02B6/10
    • G02B6/4246G02B6/30G02B6/32G02B6/3834G02B6/4204
    • A packaged waveguide for passive connectivity includes waveguides packaged in a ferrule. The ferrule allows the waveguides to be passively aligned to other waveguides, fibers, or optical components, such as to align a first waveguide in the ferrule with a laser diode in a BiDi. In the exemplary embodiment, a second waveguide in the ferrule the BiDi is at a known and fixed distance apart from the first waveguide at an end face of the ferrule. A detector in the BiDi may be positioned so that when the first waveguide is aligned with the laser diode, the second waveguide is also aligned with the detector. Additional functions can be provided with the waveguide. The manufacturing of the BiDi with the waveguides packaged in the ferrule is cost efficient to manufacturer since alignment and connectivity is achieved passively. The cost efficiency can be further improved by using standard components.
    • 用于无源连接的封装波导包括封装在套圈中的波导。 套圈允许波导被动地与其他波导,光纤或光学部件对准,例如将套圈中的第一波导与BiDi中的激光二极管对准。 在示例性实施例中,套圈中的第二波导在套圈的端面处与第一波导相距已知且固定的距离。 可以将BiDi中的检测器定位成使得当第一波导与激光二极管对准时,第二波导也与检测器对准。 可以提供波导的附加功能。 由于对准和连接被动地实现,所以制造具有封装在套圈中的波导的BiDi是制造商成本有效的。 通过使用标准组件可以进一步提高成本效益。
    • 9. 发明授权
    • 3-port optical add-drop multiplexer (OADM)
    • 3端口光分插复用器(OADM)
    • US07184620B1
    • 2007-02-27
    • US10306332
    • 2002-11-27
    • Jenkin A. RichardEric V. ChamnessHuapeng Guan
    • Jenkin A. RichardEric V. ChamnessHuapeng Guan
    • G02B6/28
    • G02B6/2937G02B6/29364G02B6/29383
    • A low cost compact 3-port single-channel OADM with improved optical isolation is provided in which the I/O fibers and add/drop fiber are arranged on the same side. The 3-port OADM includes a 3-fiber pigtail and an angled reflector that together eliminate the second fiber collimator—one set of lenses and ferrules. The reflector is positioned behind and at angle to the free-space filter such that the add/drop optical signals are reflected back through the collimating lens to the appropriate fiber. In a drop filter, a signal is dropped from the optical signal on the input fiber and reflected back to the add/drop fiber. In an add filter, a signal is inserted from the add/drop fiber and reflected back to the output fiber. A 4-port OADM can be made by fiber-splicing a pair of 3-port OADMs.
    • 提供了具有改进的光隔离的低成本紧凑型3端口单通道OADM,其中I / O光纤和分插光纤布置在同一侧。 3端口OADM包括一个3芯光纤尾纤和一个角度反射器,它们一起消除了第二个光纤准直器 - 一套透镜和套管。 反射器位于自由空间滤光片的后方并与之成角度,使得加/减光信号通过准直透镜反射回适当的光纤。 在下降滤波器中,信号从输入光纤上的光信号中丢弃并反射回加/减光纤。 在加法滤波器中,信号从加/减光纤插入并反射回输出光纤。 4端口OADM可以通过光纤拼接一对3端口OADM来实现。
    • 10. 发明授权
    • Reduced element optical add-drop multiplexer
    • 减少元件光分插复用器
    • US07039271B2
    • 2006-05-02
    • US10387239
    • 2003-03-12
    • Eric V. ChamnessJenkin A. RichardYiqiang Li
    • Eric V. ChamnessJenkin A. RichardYiqiang Li
    • G02B6/28
    • G02B6/2937G02B6/29364G02B6/29383
    • A low cost compact integrated 4-port single-channel OADM with improved optical isolation and low insertion loss is provided in which a 4-fiber pigtail includes I/O fibers and add/drop fibers, which are arranged on the same side of the multiplexer. A lens, filter and reflector are arranged in a double-pass configuration to route the optical signals to and from the appropriate fibers. The fibers are suitably arranged with the input and drop fibers at the corners of one diagonal and the output and add fibers at the corners of the crossing diagonal with the midpoints of the diagonals intersecting. Furthermore, a point halfway between the input and output fibers suitably lies at or near the central axis of the collimating lens.
    • 提供了一种具有改进的光隔离和低插入损耗的低成本紧凑集成的4端口单通道OADM,其中4纤维引线包括布置在多路复用器的同一侧上的I / O光纤和分插光纤 。 透镜,滤光器和反射器以双通道配置布置以将光信号路由到适当的光纤和从适当的光纤路由。 纤维适当地布置有输入和分出纤维在一个对角线的角部处,并且输出并且在交叉对角线的拐角处添加纤维,并且对角线的中点相交。 此外,输入和输出光纤之间的一半点适当地位于准直透镜的中心轴线处或附近。