Micro-optics photonic bandgap fiber coupler
    81.
    发明授权
    Micro-optics photonic bandgap fiber coupler 有权
    微光子带隙光纤耦合器

    公开(公告)号:US07680372B2

    公开(公告)日:2010-03-16

    申请号:US12163307

    申请日:2008-06-27

    摘要: A resonator sensing device having an optics coupler device for communicating light between light source(s) and sensor(s) and a hollow core fiber resonator. Light from one resonator fiber tip is coupled to a second resonator fiber tip via a graded index (GRIN) lens having the appropriate pitch such that the maximum coupling efficiency is achieved and having two angled surfaces. The angled surfaces are coated with an appropriate coating having a reflectance R in order to achieve the desired degree of coupling. Light reflected by the second angled surface is captured with another lens (such as a microlens) and coupled to a third fiber segment (coupled port). The optical parameters for the GRIN lens and the microlens are tailored to have the least loss.

    摘要翻译: 一种谐振器感测装置,具有用于在光源和传感器之间传送光的光学耦合器装置和中空纤芯光纤谐振器。 来自一个谐振器光纤尖端的光通过具有适当间距的渐变折射率(GRIN)透镜耦合到第二谐振器光纤尖端,使得实现最大耦合效率并具有两个成角度的表面。 成角度的表面涂覆有具有反射率R的合适的涂层,以便达到所需的耦合度。 由第二倾斜表面反射的光被另一透镜(例如微透镜)捕获并耦合到第三光纤段(耦合端口)。 GRIN透镜和微透镜的光学参数被定制为具有最小的损耗。

    FOUR-PORT OPTICAL FILTER FABRICATED FROM TAPERED OPTICAL FIBER
    82.
    发明申请
    FOUR-PORT OPTICAL FILTER FABRICATED FROM TAPERED OPTICAL FIBER 有权
    四光口光纤过滤器由光纤光纤制成

    公开(公告)号:US20070154139A1

    公开(公告)日:2007-07-05

    申请号:US11538957

    申请日:2006-10-05

    IPC分类号: G02B6/26 G02B6/42

    摘要: A four-port optical filter is provided including two tapered optical fibers, each having a loop in the area of their tapered portions, which are located relative to one another to form a ring resonator. The optical filter has a low Q with a broadband filter response which is useful as a channel interleaver or de-interleaver for dense wavelength division multiplexing and other applications.

    摘要翻译: 提供四端口滤光器,包括两个锥形光纤,每个锥形光纤在它们的锥形部分的区域中具有相对于彼此定位的环,以形成环形谐振器。 滤光器具有具有宽带滤波器响应的低Q,其作为用于密集波分复用和其他应用的信道交织器或去交织器是有用的。

    Fiber-ring optical resonators
    83.
    发明授权
    Fiber-ring optical resonators 失效
    光纤环形光谐振器

    公开(公告)号:US06891997B2

    公开(公告)日:2005-05-10

    申请号:US09788331

    申请日:2001-02-16

    摘要: A fiber-ring optical resonator comprises a transverse segment of an optical fiber differing from adjacent segments in at least one physical property (e.g., diameter, density, refractive index, chemical composition, etc) so that it may support a resonant circumferential optical mode and enable evanescent optical coupling between the circumferential mode and an optical mode of a second optical element. The resonator may be fabricated with alignment structure(s) for enabling passive alignment of the second optical element for evanescent coupling, and/or with structure for suppressing undesired modes and/or resonances. A fiber-ring resonator may form a portion of a resonant optical filter or modulator. A plurality of optically-coupled fiber-ring resonators (formed on one or more fibers) may provide tailored spectral properties. Spatially-selective techniques for forming a fiber-ring resonator may include masking/etching, masking/deposition, laser machining, laser patterning, combinations thereof, and/or functional equivalents thereof.

    摘要翻译: 纤维环光学谐振器包括在至少一个物理性质(例如直径,密度,折射率,化学成分等)中不同于相邻片段的光纤的横向片段,使得其可以支持谐振周向光学模式和 使得周向模式与第二光学元件的光学模式之间的渐逝光耦合。 谐振器可以制造成具有对准结构,以使第二光学元件能够进行消逝耦合的无源对准,和/或用于抑制不需要的模式和/或谐振的结构。 光纤环谐振器可以形成谐振滤光器或调制器的一部分。 多个光耦合光纤环谐振器(形成在一个或多个光纤上)可以提供定制的光谱特性。 用于形成纤维环谐振器的空间选择技术可以包括掩模/蚀刻,掩模/沉积,激光加工,激光图案化,其组合和/或其功能等同物。

    CYLINDRICAL PROCESSING OF OPTICAL MEDIA
    84.
    发明申请
    CYLINDRICAL PROCESSING OF OPTICAL MEDIA 失效
    光学媒体的圆柱加工

    公开(公告)号:US20040197051A1

    公开(公告)日:2004-10-07

    申请号:US09788303

    申请日:2001-02-16

    IPC分类号: G02B006/26

    摘要: A method for cylindrical processing of an optical medium, including optical fiber and optical materials of substantially cylindrical form. The method of the preferred embodiments includes the steps of rotating an optical medium about a longitudinal relative rotation axis thereof relative to a processing tool; spatially selectively applying the processing tool to a portion of a surface of the optical medium in operative cooperation with relative rotation of the optical medium and the processing tool, thereby producing a patterned (i.e., spatially selective) structural alteration of the optical medium, the pattern including altered, differentially-altered and unaltered portions of the optical medium. Specialized techniques for spatially selectively generating the structural alteration may include masking/etching, masking/deposition, machining or patterning with lasers or beams, combinations thereof, and/or functional equivalents thereof

    摘要翻译: 一种用于光学介质的圆柱形处理的方法,包括基本上圆柱形的光纤和光学材料。 优选实施例的方法包括以下步骤:相对于处理工具旋转光学介质围绕其纵向相对旋转轴线; 空间上选择性地将处理工具施加到光学介质的表面的一部分,与光学介质和处理工具的相对旋转有效协作,从而产生光学介质的图案化(即空间选择性)结构改变,图案 包括光学介质的改变的,差异改变的和未改变的部分。 用于空间选择性地产生结构改变的专用技术可以包括掩模/蚀刻,掩模/沉积,用激光或光束加工或图案化,其组合和/或其功能等同物

    Optical interleaving with enhanced spectral response and reduced polarization sensitivity

    公开(公告)号:US20020126354A1

    公开(公告)日:2002-09-12

    申请号:US09765544

    申请日:2001-01-19

    摘要: An optical interleaver for receiving an incident beam carrying a wavelength-division-multiplexed (WDM) signal comprising a plurality of channels at center wavelengths null1, null2, null3, null4, null5, null6, . . . and generating therefrom at least one de-interleaved output signal comprising the odd channels null1, null3, null5, . . . or the even channels null2, null4, null6, . . . is described. The optical interleaver comprises a splitting element for splitting an incident beam into a first optical signal directed along a first path and a second optical signal directed along a second path, a first resonant element positioned along the first path, a second resonant element positioned along the second path, and a combining element positioned to receive and to interferometrically combine the outputs of the first and second resonant to produce the output signal. The optical interleaver may be implemented using a free-space configuration using a beamsplitter and a plurality of resonant cavities such as asymmetric Fabry-Perot resonators or Michelson-Gires-Tournois resonators. In an alternative preferred embodiment, the optical interleaver may be implemented in a Mach-Zender-style configuration using couplers and fiber ring resonators. According to a preferred embodiment in which the optical interleaver is in a free-space configuration, the splitting element that receives the incident beam comprises a partially reflective surface positioned such that a normal to the reflective surface is at a less-than-30 degree angle with respect to the incoming beam for increased stability against polarizations in the incoming beam. According to another preferred embodiment, thermal stability of the optical interleaver is enhanced by configuring and dimensioning the optical interleaver such that the amount of glass or other optical material in the first and second split-beam paths is equalized. In accordance with reciprocity principles, the optical interleaver is readily adapted to operate as an interleaver, de-interleaver, or add/drop multiplexer.

    Fiber-ring optical resonators
    86.
    发明申请

    公开(公告)号:US20020041730A1

    公开(公告)日:2002-04-11

    申请号:US09788331

    申请日:2001-02-16

    IPC分类号: G02B006/26

    摘要: A method for fabricating an optical resonator on an optical fiber including the steps of generating a differential of a physical property (e.g., diameter, density, refractive index, chemical composition, and so forth) of a transverse segment of the resonator fiber. The resonator fiber segment may substantially confine a circumferential optical mode propagating around the resonator fiber segment circumference at least partially within the resonator fiber segment, thereby enabling substantial confinement of a substantially resonant circumferential optical mode near a surface of the fiber, and enabling evanescent optical coupling between circumferential optical mode and an optical mode supported by a second optical element. Specialized techniques for spatially selectively generating the differential may include masking/etching, masking/deposition, laser machining, laser patterning, combinations thereof, and/or functional equivalents thereof. The circumferential-mode optical resonator may be farther provided with one or more alignment structures including flanges and/or grooves for enabling passive positioning of the circumferential-mode optical resonator within an alignment groove of an alignment substrate, and/or for enabling positioning and/or supporting a second optical element. The alignment structures are fabricated at the correct dimensions to enable the optical coupling without extensive active alignment procedures. Structures may also be provided for suppressing undesired optical modes and/or resonances associated with optical resonators and/or alignment structures on the optical fiber. A plurality of resonators positioned on the same fiber sufficiently close together to enable optical coupling between them may be employed to provide a tailored frequency filter function for optically coupling multiple optical elements including optical fibers. A modulator may be provided as an integral component of the circumferential-mode optical resonator, provided directly on the circumferential-mode optical resonator, or provided as a separate assembly positioned on and secured with respect to the alignment substrate. The modulator enables control of the optical properties of the optical resonator, which in turn enables control of the optical power transmitted through the fiber taper segment of the transmission optical fiber.