-
61.发明授权
公开(公告)号：US5600483A
公开(公告)日：1997-02-04
申请号：US425510
申请日：1995-04-20
CPC分类号： H01Q15/006 , B82Y20/00 , G02B6/1225
摘要： A periodic dielectric structure and method of fabricating same, the structure having a three-dimensional photonic bandgap. The structure includes a plurality of layers, at least one layer having a stratum of a first material having a first dielectric constant and a plurality of parallel regions along a first axis lying in the plane of the layer, the regions including a second material having a second dielectric constant; and a plurality of parallel channels formed through the plurality of layers in a second axis orthogonal to the plane of the layers, the channels being adapted to comprise a third material having a third dielectric constant, thereby resulting in the structure having three-dimensional periodicity. In preferred embodiments, the second and third materials include air.
摘要翻译： 周期性电介质结构及其制造方法，该结构具有三维光子带隙。 该结构包括多个层，至少一个层具有第一材料的层，其具有第一介电常数，以及沿着位于该层的平面中的第一轴的多个平行区域，所述区域包括具有第二材料的第二材料， 第二介电常数; 以及在与所述层的平面垂直的第二轴上穿过所述多个层形成的多个平行通道，所述通道适于包括具有第三介电常数的第三材料，从而导致所述结构具有三维周期性。 在优选实施例中，第二和第三材料包括空气。
-
62.发明授权Laser-driven optical gyroscope having a non-negligible source coherence length 有权具有不可忽略的源相干长度的激光驱动光学陀螺仪公开(公告)号：US08223340B2
公开(公告)日：2012-07-17
申请号：US12767643
申请日：2010-04-26
申请人： Michel J. F. Digonnet , Shanhui Fan , Seth Lloyd
发明人： Michel J. F. Digonnet , Shanhui Fan , Seth Lloyd
IPC分类号： G01C19/72
CPC分类号： G01C19/721
摘要： A fiber-optic sensor, a method of configuring a fiber-optic sensor, and a method of using a fiber-optic sensor are provided. The fiber-optic sensor includes an optical fiber coil having a length and a laser source optically coupled to the coil. The laser source has a coherence length. Light from the source is transmitted to the coil as a first signal propagating along the coil in a first direction and a second signal propagating along the coil in a second direction opposite to the first direction. The optical paths of the first signal and the second signal are substantially reciprocal with one another and the first signal and the second signal are combined together after propagating through the coil to generate a third signal. The coherence length is greater than 1 meter or is in a range between 200 microns and 10 centimeters.
摘要翻译： 提供了光纤传感器，配置光纤传感器的方法和使用光纤传感器的方法。 光纤传感器包括具有光学耦合到线圈的长度的光纤线圈和激光源。 激光源具有相干长度。 来自源极的光作为沿着线圈沿第一方向传播的第一信号被传输到线圈，而第二信号沿着与第一方向相反的第二方向沿着线圈传播。 第一信号和第二信号的光路基本上彼此相互倒数，并且第一信号和第二信号在传播通过线圈之后组合在一起以产生第三信号。 相干长度大于1米或处于200微米至10厘米之间的范围内。
-
公开(公告)号：US20120069346A1
公开(公告)日：2012-03-22
申请号：US13237591
申请日：2011-09-20
IPC分类号： G01C19/66
CPC分类号： G01C19/727 , G01C19/721
摘要： A method for detecting rotation includes providing a plurality of resonant waveguides generally adjacent to one another and optically coupled to one another. Each resonant waveguide of the plurality of resonant waveguides is configured to allow light to propagate along the resonant waveguide in a planar path. The method further includes propagating light along each path in a clockwise direction or along each path in a counterclockwise direction.
摘要翻译： 一种用于检测旋转的方法包括提供大体上彼此相邻并且彼此光学耦合的多个谐振波导。 多个谐振波导的每个谐振波导被配置为允许光在平面路径中沿着谐振波导传播。 该方法还包括沿着每个路径沿顺时针方向沿着逆时针方向沿着每个路径传播光。
-
公开(公告)号：US08068232B2
公开(公告)日：2011-11-29
申请号：US12416767
申请日：2009-04-01
IPC分类号： G01C19/72
CPC分类号： G01C19/727 , G01C19/721
摘要： An optical waveguide gyroscope includes at least one optical coupler configured to receive a first optical signal at a first port, to transmit a second optical signal to a second port, and to transmit a third optical signal to a third port. The optical waveguide gyroscope further includes a plurality of resonant waveguides optically coupled to the second port and the third port. The resonant waveguides are generally adjacent to one another and optically coupled to one another. At least a portion of the second optical signal propagates from the second port to the third port by propagating through the plurality of resonant waveguides, and at least a portion of the third optical signal propagates from the third port to the second port by propagating through the plurality of resonant waveguides. The at least a portion of the second optical signal propagates through each resonant waveguide of the plurality of resonant waveguides in a clockwise direction and the at least a portion of the third optical signal propagates through each resonant waveguide of the plurality of resonant waveguides in a counterclockwise direction.
摘要翻译： 光波导陀螺仪包括至少一个光耦合器，被配置为在第一端口处接收第一光信号，以将第二光信号传输到第二端口，并将第三光信号传输到第三端口。 光波导陀螺仪还包括光耦合到第二端口和第三端口的多个谐振波导。 谐振波导通常彼此相邻并且彼此光学耦合。 通过传播多个谐振波导，第二光信号的至少一部分从第二端口传播到第三端口，并且第三光信号的至少一部分从第三端口传播到第二端口，传播通过 多个谐振波导。 第二光信号的至少一部分沿顺时针方向传播通过多个谐振波导的每个谐振波导，并且第三光信号的至少一部分沿逆时针方向传播通过多个谐振波导的每个谐振波导 方向。
-
公开(公告)号：US20100021115A1
公开(公告)日：2010-01-28
申请号：US12575330
申请日：2009-10-07
CPC分类号： G02F1/0136 , G02B6/02304 , G02B6/02328 , G02F1/0134 , G02F2202/32
摘要： An optical device includes a hollow-core photonic-bandgap fiber, wherein at least a portion of the hollow-core photonic-bandgap fiber is adjustably axially twisted.
摘要翻译： 光学器件包括中空光子带隙光纤，其中至少一部分中空光子带隙光纤可调节地轴向扭曲。
-
公开(公告)号：US20090244544A1
公开(公告)日：2009-10-01
申请号：US12416767
申请日：2009-04-01
IPC分类号： G01C19/72
CPC分类号： G01C19/727 , G01C19/721
摘要： An optical waveguide gyroscope includes at least one optical coupler configured to receive a first optical signal at a first port, to transmit a second optical signal to a second port, and to transmit a third optical signal to a third port. The optical waveguide gyroscope further includes a plurality of resonant waveguides optically coupled to the second port and the third port. The resonant waveguides are generally adjacent to one another and optically coupled to one another. At least a portion of the second optical signal propagates from the second port to the third port by propagating through the plurality of resonant waveguides, and at least a portion of the third optical signal propagates from the third port to the second port by propagating through the plurality of resonant waveguides. The at least a portion of the second optical signal propagates through each resonant waveguide of the plurality of resonant waveguides in a clockwise direction and the at least a portion of the third optical signal propagates through each resonant waveguide of the plurality of resonant waveguides in a counterclockwise direction.
摘要翻译： 光波导陀螺仪包括至少一个光耦合器，被配置为在第一端口处接收第一光信号，以将第二光信号传输到第二端口，并将第三光信号传输到第三端口。 光波导陀螺仪还包括光耦合到第二端口和第三端口的多个谐振波导。 谐振波导通常彼此相邻并且彼此光学耦合。 通过传播多个谐振波导，第二光信号的至少一部分从第二端口传播到第三端口，并且第三光信号的至少一部分从第三端口传播到第二端口，传播通过 多个谐振波导。 第二光信号的至少一部分沿顺时针方向传播通过多个谐振波导的每个谐振波导，并且第三光信号的至少一部分沿逆时针方向传播通过多个谐振波导的每个谐振波导 方向。
-
公开(公告)号：US07509002B2
公开(公告)日：2009-03-24
申请号：US11940199
申请日：2007-11-14
申请人： Joseph M. Kahn , Mark A. Horowitz , Olav Solgaard , Shanhui Fan
发明人： Joseph M. Kahn , Mark A. Horowitz , Olav Solgaard , Shanhui Fan
IPC分类号： G02B6/26
CPC分类号： G02B6/4206 , G02B6/2861
摘要： Optical signals are passed in an optical medium using an approach that facilitates the mitigation of interference. According to an example embodiment, a filtering-type approach is used with an optical signal conveyed in an optical fiber, such as a multimode fiber (MMF) or a multimode waveguide. Adaptive spatial domain signal processing, responsive to a feedback signal indicative of data conveyed in the multimode waveguide, is used to mitigate interference in optical signals conveyed in the multimode waveguide.
摘要翻译： 光信号通过使用有助于减轻干扰的方法在光学介质中传播。 根据示例实施例，滤波型方法与诸如多模光纤（MMF）或多模波导之类的光纤中传送的光信号一起使用。 响应于指示在多模波导中传送的数据的反馈信号的自适应空间域信号处理被用于减轻在多模波导中传送的光信号中的干扰。
-
公开(公告)号：US20090052829A1
公开(公告)日：2009-02-26
申请号：US12194490
申请日：2008-08-19
IPC分类号： G02B6/032
CPC分类号： G02F1/0136 , G02B6/02304 , G02B6/02328 , G02F1/0134 , G02F2202/32
摘要： An optical device includes a hollow-core photonic-bandgap fiber, wherein at least a portion of the hollow-core photonic-bandgap fiber has a longitudinal axis and is twisted about the longitudinal axis.
摘要翻译： 光学器件包括中空光子带隙光纤，其中至少一部分中空光子带隙光纤具有纵向轴线并围绕纵向轴线扭曲。
-
公开(公告)号：US07489848B2
公开(公告)日：2009-02-10
申请号：US11971181
申请日：2008-01-08
申请人： Hyang Kyun Kim , Shanhui Fan , Gordon S. Kino , Jonghwa Shin , Michel J. F. Digonnet , Vinayak Dangui
发明人： Hyang Kyun Kim , Shanhui Fan , Gordon S. Kino , Jonghwa Shin , Michel J. F. Digonnet , Vinayak Dangui
CPC分类号： G02B6/02328 , G02B6/02338 , G02B6/02347
摘要： An optical fiber includes a cladding with a material having a first refractive index and a pattern of regions formed therein. Each of the regions has a second refractive index lower than the first refractive index. The optical fiber further includes a core region and a core ring surrounding the core region and having an inner perimeter, an outer perimeter, and a thickness between the inner perimeter and the outer perimeter. The thickness is sized to reduce the number of ring surface modes supported by the core ring.
摘要翻译： 光纤包括具有第一折射率的材料和其中形成的区域的图案的包层。 每个区域具有低于第一折射率的第二折射率。 光纤还包括芯区域和围绕芯区域的芯环，并且具有内周边，外周边和内周边与外周边之间的厚度。 厚度的大小可以减小由芯环支撑的环表面模式的数量。
-
70.发明申请Integrated Magneto-Optical Devices for Uni-Directional Optical Resonator Systems 审中-公开用于单向光谐振器系统的集成磁光器件公开(公告)号：US20080267557A1
公开(公告)日：2008-10-30
申请号：US11616438
申请日：2006-12-27
申请人： Zheng Wang , Shanhui Fan
发明人： Zheng Wang , Shanhui Fan
CPC分类号： G02B6/1225 , B82Y20/00 , G02B6/12007 , G02F1/09 , G02F2202/32 , G02F2203/15 , G11C13/06
摘要： A resonator system comprises an optical resonator that supports one or more pairs of nearly degenerate defect states. One or more magnetic domains comprising at least one gyrotropic material in the optical resonator cause magneto-optical coupling between the two states so that the system lacks time-reversal symmetry. In one embodiment, a single magnetic domain is used that dominates induced magneto-optical coupling between the defect states. The above resonator system may be used together with other components such as waveguides to form circulators, add drop filters, switches and memories.
摘要翻译： 谐振器系统包括支持一对或多对近退化缺陷状态的光学谐振器。 在光谐振器中包括至少一个陀螺性材料的一个或多个磁畴引起两种状态之间的磁光耦合，使得该系统缺少时间反转对称性。 在一个实施例中，使用支配缺陷状态之间的感应磁光耦合的单个磁畴。 上述谐振器系统可以与诸如波导的其它部件一起使用以形成循环器，添加放大滤波器，开关和存储器。
-
-
-
-
-
-
-
-
-
搜索结果
83 条记录 (耗时 0.028 秒)
