Resonant optical filters
    3.
    发明授权
    Resonant optical filters 失效
    共振光学滤波器

    公开(公告)号:US06865317B2

    公开(公告)日:2005-03-08

    申请号:US09788300

    申请日:2001-02-16

    摘要: A resonant optical filter includes first and second transmission waveguides and a resonator (including one or more evanescently coupled resonator segments). The resonator supports at least one circumferential resonant mode and is evanescently coupled to the waveguides. An optical signal entering the filter through a waveguide and substantially resonant with the resonator is transferred to the other waveguide, while an optical signal entering the filter and substantially non-resonant with the resonator remains in the same waveguide. Multiple resonator segments may be formed on a common resonator fiber and positioned for enabling coupling between them, resulting in a tailored frequency filter function. The resonators may include alignment structure(s) (flanges, grooves, etc) for enabling passive positioning and/or supporting first and second transmission waveguides, such as optical fiber tapers. Structures may also be provided for suppressing undesired optical modes and/or resonances associated with the resonators and/or alignment structures on the resonator fiber.

    摘要翻译: 谐振滤光器包括第一和第二透射波导和谐振器(包括一个或多个ev逝耦合谐振器段)。 谐振器支持至少一个周向谐振模式并且ev逝地耦合到波导。 通过波导进入滤波器并基本上与谐振器谐振的光信号被传送到另一个波导,而进入滤波器并且与谐振器基本上不共振的光信号保持在相同的波导中。 多个谐振器段可以形成在公共谐振器光纤上并且被定位成使它们之间能够耦合,从而产生定制的频率滤波器功能。 谐振器可以包括用于实现无源定位和/或支撑第一和第二传输波导(例如光纤锥度)的对准结构(凸缘,凹槽等)。 还可以提供用于抑制与谐振器光纤上的谐振器和/或对准结构相关联的不期望的光学模式和/或谐振的结构。

    Fiber-ring optical resonators
    4.
    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。

    Optical resonator microsphere sensor with altering Q-factor
    5.
    发明授权
    Optical resonator microsphere sensor with altering Q-factor 有权
    具有改变Q因子的光学谐振器微球传感器

    公开(公告)号:US06583399B1

    公开(公告)日:2003-06-24

    申请号:US09721463

    申请日:2000-11-22

    IPC分类号: H01J4014

    CPC分类号: G01N21/7746

    摘要: An optically based resonating sensor useful for detecting and discriminating specified substances present in the environment is provided. The resonating sensor comprises a light source and a coupler adapted to allow light to pass from the light source to a resonator wherein the light is stored for a specified period of time. The resonator is coupled to the coupler such that some portion of the light passing through the coupler enters the resonator and some portion of the light resonating within the resonator exits the resonator to the coupler. The outer surface of the resonator is modified such that the interaction of the modified outer surface of the resonator with a specified substance in the environment alters some characteristic of the light flowing through the sensor system. A detector is arranged to observe and detect the interactions between the modified outer surface and the light flowing through the system.

    摘要翻译: 提供了一种用于检测和区分存在于环境中的特定物质的光学基础谐振传感器。 谐振传感器包括光源和适于允许光从光源传递到谐振器的耦合器,其中光存储指定的时间段。 谐振器耦合到耦合器,使得通过耦合器的光的一些部分进入谐振器,并且在谐振器内谐振的一部分光从谐振器中退出到耦合器。 谐振器的外表面被修改为使得谐振器的改进的外表面与环境中的特定物质的相互作用改变了流过传感器系统的光的一些特性。 检测器被布置成观察和检测改进的外表面和流过系统的光之间的相互作用。

    All-optical wavelength coded logic gates
    9.
    发明授权
    All-optical wavelength coded logic gates 失效
    全光波长编码逻辑门

    公开(公告)号:US6151428A

    公开(公告)日:2000-11-21

    申请号:US965851

    申请日:1997-11-07

    摘要: All-optical logic gates in which binary words are encoded using wavelength. A method and apparatus for processing information in this wavelength encoded format is provided. The processing may occur entirely in the optical domain. This approach is modular and enables construction of logic gates using custom wave guide chips that can be mass-produced in a manner similar to that of conventional electronic digital chips. Specific gates, such as AND, OR, EXOR, or NAND, may be "programmed" into a given chip during its fabrication to encode the desired truth table. The output states of the chip are determined by ultrafast mixing of binary encoded wavelengths in a semiconductor optical amplifier. The result is a new wavelength having a relationship to the input wavelengths determined entirely by the desired truth table. The possible clock-rates for these gates can be exceedingly high, such as several hundred Gigabits/second. The product of integer word length "N" and gate clock speed can exceed several Terabits/second and may be as high as the overall optical bandwidth of the system. Complicated multi-input functions may be constructed using this approach and dynamically programmable functions may be built in which either electrical or optical signals reconfigure a set of gates by reprogramming the inverter operations in the chips.

    摘要翻译: 使用波长对二进制字进行编码的全光逻辑门。 提供了一种用于处理该波长编码格式的信息的方法和装置。 该处理可以完全在光学域中发生。 这种方法是模块化的,并且可以使用可以以类似于常规电子数字芯片的方式批量生产的定制波导芯片来构建逻辑门。 诸如AND,OR,EXOR或NAND的特定门可以在其制造期间被编程到给定芯片中以对期望的真值表进行编码。 芯片的输出状态通过半导体光放大器中的二进制编码波长的超快混合来确定。 结果是与完全由所需真值表确定的输入波长具有关系的新波长。 这些门的可能的时钟速率可能非常高,例如几百吉比特/秒。 整数字长度“N”和门时钟速度的乘积可以超过几兆比特/秒,并且可能与系统的整体光学带宽一样高。 可以使用该方法构造复杂的多输入功能,并且可以内置动态可编程功能,其中电或光信号通过重新编程芯片中的逆变器操作来重新配置一组门。

    Alignment apparatus and methods for transverse optical coupling
    10.
    发明授权
    Alignment apparatus and methods for transverse optical coupling 失效
    横向光耦合对准装置及方法

    公开(公告)号:US06870992B2

    公开(公告)日:2005-03-22

    申请号:US10302751

    申请日:2002-11-22

    摘要: Optical components may be aligned for transverse-optical coupling by: fabricating a first optical component on a substrate; fabricating an alignment member on the substrate suitably positioned relative to the first optical component; and assembling a second optical component onto the alignment member, thereby establishing transverse optical coupling between the optical components. The substrate may preferably be substantially planar. The alignment member may mechanically engage the second optical component so as to accurately establish and stably maintain transverse optical coupling. The first optical component and the alignment member may preferably be fabricated on the substrate using precision spatially selective materials processing techniques. Transverse optical coupling between two optical components may be stably maintained by substantially embedding transverse-coupled portions of the components in a substantially solid substantially transparent low-index medium. An alignment member may serve to accurately position the transverse-coupled components prior to embedding and hold them in place during embedding.

    摘要翻译: 光学部件可以通过以下方式对准:横向光耦合:在基板上制造第一光学部件; 在所述基板上制造相对于所述第一光学部件适当定位的对准部件; 并将第二光学部件组装到对准部件上,从而在光学部件之间建立横向光耦合。 衬底可以优选地基本上是平面的。 对准构件可以机械地接合第二光学部件,以便精确地建立和稳定地维持横向光耦合。 优选地,使用精确的空间选择性材料处理技术在第一基板上制造第一光学部件和对准部件。 通过将组分的横向耦合部分基本上嵌入基本上固体的基本上透明的低折射率介质中,可以稳定地维持两个光学部件之间的横向光学耦合。 对准构件可以用于在嵌入之前将横向耦合部件精确定位并将其保持在适当位置。