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    • 2. 发明授权
    • Method for higher-order dispersion compensation
    • 高阶色散补偿方法
    • US06829409B2
    • 2004-12-07
    • US10323301
    • 2002-12-18
    • Barry J. KochTerry L. SmithBarbara A. DeBaun
    • Barry J. KochTerry L. SmithBarbara A. DeBaun
    • G02B626
    • G02B6/278H04B10/2519H04B10/2569
    • A method for compensating for higher-order dispersion of an incoming optical communications signal in accordance with the present invention includes the steps of compensating the signal for first order polarization mode dispersion; compensating the signal for second order polarization mode dispersion; and compensating the signal for variable chromatic dispersion. Additionally, the method may include the steps of compensation for fixed chromatic dispersion and controlling the polarization of the incoming signal. The signal may be monitored after the compensating steps and the degree of compensation may be tuned based on the monitoring. The step of compensating the signal for first order polarization mode dispersion may include the steps of controlling the polarization of the signal; splitting the signal into a first and a second orthogonal polarization components; reflecting the first polarization component in a fixed linearly chirped grating; reflecting the second polarization component in a tuned linearly chirped grating; and recombining the first and the second polarization components.
    • 根据本发明的用于补偿入射光通信信号的高阶色散的方法包括以下步骤:补偿一阶偏振模色散的信号; 补偿二阶偏振模色散的信号; 并补偿可变色散的信号。 此外,该方法可以包括补偿固定色散并控制输入信号的偏振的步骤。 可以在补偿步骤之后监视信号,并且可以基于监视来调整补偿程度。 补偿一阶偏振模色散信号的步骤可包括控制信号极化的步骤; 将信号分解成第一和第二正交偏振分量; 反映固定线性啁啾光栅中的第一偏振分量; 反映调谐线性啁啾光栅中的第二偏振分量; 并重新组合第一和第二偏振分量。
    • 3. 发明授权
    • System for polarization mode dispersion compensation
    • 偏振模色散补偿系统
    • US06748126B2
    • 2004-06-08
    • US10036987
    • 2001-12-31
    • Barry J. KochTerry L. SmithBarbara A. DeBaun
    • Barry J. KochTerry L. SmithBarbara A. DeBaun
    • G02B600
    • G02B6/278G02B6/105G02B6/2932G02B6/29394H04B10/2569
    • An adaptive polarization mode dispersion compensator including a polarization controller and a differential polarization delay unit. The polarization controller converts incoming light of an arbitrary polarization to a controller output signal having a desired state of polarization. The differential polarization delay unit is optically coupled to receive the controller output signal from the polarization controller. The differential polarization delay unit includes a polarization beam splitter element and a first and a second birefringent optical waveguide. At least one tuning mechanism is coupled to at least one of the gratings, wherein the tuning mechanism variably adjusts one of the reference reflection points with respect to the other reference reflection point. A combiner element recombines the two reflected orthogonal polarization signals into a delay line output. A signal quality analyzer evaluates the quality of the differential polarization delay unit output signal and provides a control signal to the polarization controller and the differential polarization delay unit.
    • 一种包括偏振控制器和差分偏振延迟单元的自适应偏振模色散补偿器。 偏振控制器将任意偏振的入射光转换为具有期望的偏振状态的控制器输出信号。 差分偏振延迟单元被光学耦合以从偏振控制器接收控制器输出信号。 差分偏振延迟单元包括偏振分束器元件和第一和第二双折射光波导。至少一个调谐机构耦合到至少一个光栅,其中调谐机构相对于参考反射点可变地调节参考反射点之一 到另一个参考反射点。 组合器元件将两个反射的正交偏振信号重新组合成延迟线输出。 信号质量分析器评估差分极化延迟单元输出信号的质量,并向偏振控制器和差分偏振延迟单元提供控制信号。
    • 4. 发明授权
    • Method for polarization mode dispersion compensation
    • 偏振模色散补偿方法
    • US06907199B2
    • 2005-06-14
    • US10037024
    • 2001-12-31
    • Barry J. KochTerry L. SmithBarbara A. DeBaun
    • Barry J. KochTerry L. SmithBarbara A. DeBaun
    • G02B6/34H04B10/2569H04J14/02G02B6/00H04B10/12
    • G02B6/278G02B6/2932H04B10/2569
    • A method for compensating for polarization mode dispersion of an incoming optical communications signal including the step of orienting the state of polarization of the incoming optical communications signal with respect to the axes of a polarization splitter. The communications signal is split into a first and a second orthogonal states of polarization at a split point. The first of the polarization states is directed to a first birefringent optical waveguide having a first chirped grating having a first reference reflection point. The second of the polarization states is directed to a second birefringent optical waveguide having a second chirped grating having a chirp pattern substantially similar to that of the first chirped grating and having a second reference reflection point. The optical path length from the second reflection point to the split point is adjustably varied to compensate for polarization dispersion between the first and second states of polarization. The first and second polarization states are then recombined into an output signal.
    • 一种用于补偿入射光通信信号的偏振模色散的方法,包括相对于偏振分离器的轴定向入射光通信信号的偏振状态的步骤。 通信信号在分离点被分成第一和第二正交偏振状态。 第一偏振态涉及具有第一啁啾光栅的第一双折射光波导,其具有第一参考反射点。 第二个偏振状态指向具有第二啁啾光栅的第二双折射光波导,第二啁啾光栅具有基本上类似于第一啁啾光栅的啁啾图案并具有第二参考反射点。 从第二反射点到分割点的光程长度可调,以补偿第一和第二极化状态之间的偏振色散。 然后将第一和第二极化状态重新组合成输出信号。
    • 5. 发明授权
    • System for higher-order dispersion compensation
    • 高阶色散补偿系统
    • US07062123B2
    • 2006-06-13
    • US10323280
    • 2002-12-18
    • Barbara A. DeBaunBarry J. KochTerry L. Smith
    • Barbara A. DeBaunBarry J. KochTerry L. Smith
    • G02B6/26G02B6/34G02B27/28
    • G02B6/278H04B10/2519H04B10/2569
    • A higher-order dispersion compensator for tuning a polarization controlled signal having a first order polarization mode dispersion component, a second order polarization mode dispersion component, and a variable chromatic dispersion component. The compensator includes a first tuning element that adjusts the first order polarization mode dispersion component of the polarization controlled signal, and a second tuning element that adjusts the second order polarization mode dispersion component and the variable chromatic dispersion component of the polarization controlled signal. The first tuning element, which includes a differential delay line, includes a polarization beam splitter coupled to receive the polarization controlled signal. The first tuning element includes a first waveguide optically coupled to receive a first polarization component and a second waveguide optically coupled to receive a second polarization component. A first tuning mechanism is provided that tunes one of the gratings.
    • 一种用于调谐具有一阶偏振模色散分量,二阶偏振模色散分量和可变色散分量的偏振控制信号的高阶色散补偿器。 补偿器包括调整偏振控制信号的一阶偏振模色散分量的第一调谐元件和调节偏振控制信号的二阶偏振模色散分量和可变色散分量的第二调谐元件。 包括差分延迟线的第一调谐元件包括耦合以接收偏振控制信号的偏振分束器。 第一调谐元件包括光耦合以接收第一偏振分量的第一波导和光耦合以接收第二偏振分量的第二波导。 提供调谐一个光栅的第一调谐机构。
    • 6. 发明申请
    • Optical Sensing Devices and Methods
    • 光学传感器件和方法
    • US20090310902A1
    • 2009-12-17
    • US11617932
    • 2006-12-29
    • Terry L. SmithBarry J. KochYasha Yi
    • Terry L. SmithBarry J. KochYasha Yi
    • G02B6/00
    • G01N21/7746
    • An optical sensing system and method of using it includes a light source and a first bus waveguide having an input port that is in optical communication with the light source. The system further includes a microresonator configured so that the light source excites at least first and second resonant guided optical modes of the microresonator. The microresonator includes a first location on a surface of a core of the microresonator where a field intensity of the first mode is greater than a field intensity of the second mode. The microresonator core has a first cladding at the first location. The microresonator also has a second location on a surface of the core of the microresonator where a field intensity of the first mode is less than or equal to a field intensity of the second mode, the microresonator core having a second cladding at the second location. The first cladding is different than the second cladding.
    • 光学传感系统及其使用方法包括光源和具有与光源光通信的输入端口的第一总线波导。 该系统还包括微谐振器,其被配置为使得光源至少激发微谐振器的第一和第二谐振引导光学模式。 微谐振器包括在微谐振器的芯的表面上的第一位置,其中第一模式的场强大于第二模式的场强度。 微谐振器芯在第一位置具有第一包层。 微谐振器还在微谐振器的芯的表面上具有第二位置,其中第一模式的场强小于或等于第二模式的场强度,微谐振器芯在第二位置具有第二包层。 第一包层与第二包层不同。
    • 7. 发明授权
    • Optical sensing methods
    • 光学感测方法
    • US07512298B2
    • 2009-03-31
    • US11565955
    • 2006-12-01
    • Yasha YiBarry J. KochTerry L. SmithChunmei Guo
    • Yasha YiBarry J. KochTerry L. SmithChunmei Guo
    • G02B6/26G01B9/02G01N21/00G01N21/47
    • G01N21/7746G02B6/12007
    • An optical sensing system and method is disclosed. In one embodiment, a method of detecting a scattering center includes the step of providing an optical sensing system including a light source, one or more bus waveguides where a first bus waveguide has an input port that is in optical communication with the light source, a microresonator optically coupled to the one or more bus waveguides, and a scattering center which is capable of optically coupling to the microresonator. The method further includes the steps of exciting at least a first resonant guided optical mode of the microresonator with the light source, altering a strength of optical coupling between the scattering center and the microresonator to induce a change in optical scattering between the first mode and at least a second guided optical mode of the microresonator, and detecting a change in transfer of energy from the first mode to the second mode.
    • 公开了一种光学传感系统和方法。 在一个实施例中,检测散射中心的方法包括提供包括光源,一个或多个总线波导的光学感测系统的步骤,其中第一总线波导具有与光源光学通信的输入端口, 光耦合到一个或多个总线波导的微谐振器以及能够光耦合到微谐振器的散射中心。 该方法还包括以下步骤:利用光源激发至少第一共振引导的微谐振引导光学模式,改变散射中心和微谐振器之间的光耦合的强度,以引起第一模式与第二模式之间的光散射变化 至少第二引导光学模式的微谐振器,以及检测能量从第一模式转移到第二模式的变化。
    • 9. 发明授权
    • Optical sensing devices and methods
    • 光学传感装置及方法
    • US07903906B2
    • 2011-03-08
    • US11617932
    • 2006-12-29
    • Terry L. SmithBarry J. KochYasha Yi
    • Terry L. SmithBarry J. KochYasha Yi
    • G02B6/26
    • G01N21/7746
    • An optical sensing system and method of using it includes a light source and a first bus waveguide having an input port that is in optical communication with the light source. The system further includes a microresonator configured so that the light source excites at least first and second resonant guided optical modes of the microresonator. The microresonator includes a first location on a surface of a core of the microresonator where a field intensity of the first mode is greater than a field intensity of the second mode. The microresonator core has a first cladding at the first location. The microresonator also has a second location on a surface of the core of the microresonator where a field intensity of the first mode is less than or equal to a field intensity of the second mode, the microresonator core having a second cladding at the second location. The first cladding is different than the second cladding.
    • 光学传感系统及其使用方法包括光源和具有与光源光学通信的输入端口的第一总线波导。 该系统还包括微谐振器,其被配置为使得光源至少激发微谐振器的第一和第二谐振引导光学模式。 微谐振器包括在微谐振器的芯的表面上的第一位置,其中第一模式的场强大于第二模式的场强度。 微谐振器芯在第一位置具有第一包层。 微谐振器还在微谐振器的芯的表面上具有第二位置,其中第一模式的场强小于或等于第二模式的场强度,微谐振器芯在第二位置具有第二包层。 第一包层与第二包层不同。