INTEGRATED OPTOFLUIDIC SYSTEM USING MICROSPHERES

    公开(公告)号:WO2010141365A3

    公开(公告)日:2010-12-09

    申请号:PCT/US2010/036625

    申请日:2010-05-28

    Abstract: An integrated optofluidic system for trapping and transporting particles for analysis is provided comprising a planar substrate; a microfluidic channel; and a waveguide integrated with the channel. A microsphere particle in the integrated optofluidic system can act as a cavity, allowing light to circulate many thousands of times around the circumference of the microsphere. Optical trapping and transport is used for nanoscale positioning to excite the microsphere resonances. Sensitive measurements on molecules can be accomplished by monitoring changes in whispering gallery modes (WGMs) that propagate around the circumference of the microsphere. By using a broadband or supercontinuum light source, a microsphere can be trapped and many WGM resonances can be excited through the visible and near-infrared wavelengths simultaneously. After the resonances are measured using the waveguide transmission, the microsphere can be freed by decreasing the optical power and the process repeated with a different microsphere.

    HIGH-SPEED OPTICAL SAMPLING BY TEMPORAL STRETCHING USING FOUR-WAVE MIXING
    3.
    发明申请
    HIGH-SPEED OPTICAL SAMPLING BY TEMPORAL STRETCHING USING FOUR-WAVE MIXING 审中-公开
    利用四波混频进行时间拉伸的高速光学采样

    公开(公告)号:WO2010091180A2

    公开(公告)日:2010-08-12

    申请号:PCT/US2010/023195

    申请日:2010-02-04

    CPC classification number: G01J11/00

    Abstract: Systems and methods are provided for ultrafast optical waveform sampling based on temporal stretching of an input signal waveform. Temporal stretching is performed using a time lens based on four-wave mixing in a nonlinear medium. The signal is passed through an input dispersive element. The dispersed signal is sent into the time lens, which comprises a chirped pump pulse and a nonlinear medium. The chirped pump pulse is combined with the signal. The four-wave mixing process occurs in the nonlinear device or medium, which results in the generation of a signal at a new optical frequency (idler). The idler is spectrally separated from the signal and pump pulse using a bandpass filter and sent into an output dispersive element. The output dispersive element is longer than the input dispersive element and the temporal stretching factor is given by the ratio between the dispersions of these two elements.

    Abstract translation: 提供了基于输入信号波形的时间延展的超快光学波形采样的系统和方法。 使用基于非线性介质中的四波混合的时间透镜来执行时间拉伸。 信号通过输入色散元件。 散射信号被发送到时间透镜,其包括啁啾泵浦脉冲和非线性介质。 啁啾泵浦脉冲与信号结合在一起。 四波混频过程发生在非线性器件或介质中,这会导致在一个新的光频(惰频)处产生信号。 闲频器使用带通滤波器与信号和泵浦脉冲在频谱上分开,并发送到输出色散元件。 输出色散元素比输入色散元素长,并且时间延展因子由这两个元素的色散之间的比率给出。

    ELECTRO-OPTICAL MODULATOR
    4.
    发明申请
    ELECTRO-OPTICAL MODULATOR 审中-公开
    电光调制器

    公开(公告)号:WO2008024513A2

    公开(公告)日:2008-02-28

    申请号:PCT/US2007/018847

    申请日:2007-08-24

    Abstract: An optical modulator includes a ring resonator with a waveguide adjacent to and optically coupled to the micro-ring resonator. A p-i-n junction is formed about the ring resonator. An optional additional doped region may be formed opposite the waveguide from the ring resonator and when combined with the p-i-n junction forms a nearly closed p-i-n junction about the ring resonator. The ring resonator may be a silicon micro-ring resonator. Multiple different resonant frequency resonators may be coupled to the waveguide along with different detectors to multiplex light on the waveguide. The spectrum of the resonator may be controlled by an applied voltage. A prepulsing device may be used toenhance electrical transitions to enhance the speed of the modulator.

    Abstract translation: 光调制器包括环形谐振器,该环形谐振器具有与微环谐振器相邻并且光学耦合到该微环谐振器的波导。 环形谐振器周围形成p-i-n结。 可选的附加掺杂区域可以形成为与环形谐振器的波导相对,并且当与p-i-n结合时在环形谐振器周围形成几乎闭合的p-i-n结。 环形谐振器可以是硅微环形谐振器。 多个不同的谐振频率谐振器可以与不同的检测器一起耦合到波导以在波导上多路复用光。 谐振器的频谱可以通过施加的电压来控制。 可以使用预包装设备来增强电转换以提高调制器的速度。

    DYNAMIC WAVELENGTH CONVERTER
    5.
    发明申请
    DYNAMIC WAVELENGTH CONVERTER 审中-公开
    动态波长转换器

    公开(公告)号:WO2008024458A2

    公开(公告)日:2008-02-28

    申请号:PCT/US2007/018698

    申请日:2007-08-24

    CPC classification number: G02F2/02 G02F1/0126 G02F2001/0156 G02F2203/15

    Abstract: A wavelength converter includes an optical resonator that is optically coupled to a waveguide. The refractive index of the optical resonator is dynamically changed, such as by injecting free carriers into the resonator. This effectively changes that optical path length of the light, thus converting the wavelength.

    Abstract translation: 波长转换器包括光学耦合到波导的光学谐振器。 例如通过将自由载流子注入谐振器中来动态改变光学谐振器的折射率。 这有效地改变了光的光路长度,从而转换了波长。

    ELECTRO-OPTIC MODULATION
    7.
    发明申请
    ELECTRO-OPTIC MODULATION 审中-公开
    电光调制

    公开(公告)号:WO2007086888A2

    公开(公告)日:2007-08-02

    申请号:PCT/US2006007647

    申请日:2006-03-03

    CPC classification number: G02F1/025 G02F2001/0152 G02F2203/15

    Abstract: A silicon electro-optic waveguide modulator is formed using a metal-oxide-semiconductor (MOS) configuration. Various embodiments are described using different modes of operation of the MOS diode and gate oxide thicknesses. In one example, a high-speed submicron waveguide active device is formed using silicon-on-insulator. A micro-ring resonator intensity-modulator exhibits switching times on the order of tens of pS with modulation depth of 73% with a bias voltage of 5 volts.

    Abstract translation: 使用金属氧化物半导体(MOS)构造形成硅电光波导调制器。 使用MOS二极管的不同操作模式和栅极氧化物厚度来描述各种实施例。 在一个示例中,使用绝缘体上硅形成高速亚微米波导有源器件。 微环谐振器强度调制器在偏置电压为5伏的情况下,表现出数十个pS量级的调制深度为73%的开关时间。

    TUNABLE OPTICAL APPARATUS, METHOD, AND APPLICATIONS
    9.
    发明申请
    TUNABLE OPTICAL APPARATUS, METHOD, AND APPLICATIONS 审中-公开
    应用光学设备,方法和应用

    公开(公告)号:WO2011143407A3

    公开(公告)日:2012-02-23

    申请号:PCT/US2011036223

    申请日:2011-05-12

    CPC classification number: G02B6/12007 G02B6/2934 G02B6/29382

    Abstract: A broadly tunable optomechanical apparatus includes a resonator component consisting of two coupled optical microring resonators disposed in a stacked relationship, an input waveguide disposed adjacent a periphery of the resonator component, and a control signal waveguide coupled to the resonator component or the input signal waveguide. A broadband optical switch includes a plurality of resonator components each of which corresponds to a selected signal wavelength, predetermined by the geometry and design of the resonator component, and a respective plurality of output signal waveguides, and a respective plurality of a control signal waveguides each coupled to a respective resonator component. Associated tuning and switching methods and applications are disclosed.

    Abstract translation: 广泛可调谐的光机械装置包括由以堆叠关系设置的两个耦合的光学微环谐振器组成的谐振器部件,邻近谐振器部件的周边设置的输入波导和耦合到谐振器部件或输入信号波导的控制信号波导。 宽带光开关包括多个谐振器部件,每个谐振器部件对应于通过谐振器部件的几何形状和设计预定的选定信号波长,以及相应的多个输出信号波导,以及相应的多个控制信号波导 耦合到相应的谐振器部件。 公开了相关的调谐和切换方法和应用。

    APPARATUS AND METHODS FOR WIDE TEMPERATURE RANGE OPERATION OF MICROMETER-SCALE SILICON ELECTRO-OPTIC MODULATORS
    10.
    发明申请
    APPARATUS AND METHODS FOR WIDE TEMPERATURE RANGE OPERATION OF MICROMETER-SCALE SILICON ELECTRO-OPTIC MODULATORS 审中-公开
    微电子尺寸硅​​电极调制器的温度范围操作的装置和方法

    公开(公告)号:WO2010108093A3

    公开(公告)日:2011-01-13

    申请号:PCT/US2010027967

    申请日:2010-03-19

    Abstract: A thermally stabilized, high speed, micrometer-scale silicon electro-optic modulator is provided. Methods for maintaining desired temperatures in electro-optic modulators are also provided. The methods can be used to maintain high quality modulation in the presence of thermal variations from the surroundings. Direct current injection into the thermally stabilized electro-optic modulator is used to maintain the modulation performance of the modulator. The direct injected current changes the local temperature of the thermally stabilized electro-optic modulator to maintain its operation over a wide temperature range.

    Abstract translation: 提供了热稳定的高速微米级硅电光调制器。 还提供了用于在电光调制器中保持所需温度的方法。 该方法可用于在存在来自周围环境的热变化的情况下保持高质量的调制。 使用直流注入热稳定电光调制器来维持调制器的调制性能。 直接注入电流改变了热稳定化电光调制器的局部温度,以在宽的温度范围内保持其工作。

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