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    MULTI WAVELENGTH LASER DEVICE
    13.
    发明申请
    MULTI WAVELENGTH LASER DEVICE 有权
    多波长激光器件

    公开(公告)号：US20160276799A1

    公开(公告)日：2016-09-22

    申请号：US15036193

    申请日：2013-12-05

    Applicant: MITSUBISHI ELECTRIC CORPORATION

    Inventor： Fumio SHODA ,  Takayuki YANAGISAWA ,  Yosuke AKINO

    IPC: H01S3/109 ,  H01S3/08 ,  H01S3/094

    CPC classification number: H01S3/109 ,  G02F1/37 ,  G02F2001/3503 ,  G02F2201/305 ,  G02F2201/307 ,  H01S3/07 ,  H01S3/08009 ,  H01S3/08054 ,  H01S3/08086 ,  H01S3/0826 ,  H01S3/094096 ,  H01S3/09415 ,  H01S3/1055 ,  H01S5/005 ,  H01S5/0071 ,  H01S5/0092 ,  H01S5/141 ,  H01S5/143 ,  H01S5/4012 ,  H01S5/4087

    Abstract: The multi wavelength laser device includes a laser light source 10 that emits a plurality of laser lights 20 whose fundamental wavelengths differ from one another, a dispersing element 30 that changes the traveling direction of each of the plurality of laser lights according to the wavelength and the incidence direction, and that emits the laser lights in a state in which the laser lights are superposed on the same axis, and a wavelength conversion element 40 that has a plurality of polarization layers disposed therein and having different periods, and that performs wavelength conversion on the fundamental wave laser lights emitted from the dispersing element 30 and placed in the state in which the laser lights are superposed on the same axis, and emits a plurality of laser lights 50 acquired through the wavelength conversion in a state in which the laser lights are superposed on the same axis.

    Abstract translation: 多波长激光装置包括发射基波长彼此不同的多个激光20的激光光源10，根据波长使多个激光的行进方向变化的分散元件30， 入射方向，并且在激光重叠在同一轴上的状态下发射激光;以及波长转换元件40，其具有设置在其中并具有不同周期的多个偏振层，并且对其进行波长转换 从分散元件30发射的基波激光以激光重叠在同一轴上的状态，并且在激光的状态下发射通过波长转换获得的多个激光50 叠加在同一轴上。

    Electro-optic grating modulator
    14.
    发明授权
    Electro-optic grating modulator 有权
    电光栅调制器

    公开(公告)号：US09335568B1

    公开(公告)日：2016-05-10

    申请号：US13151510

    申请日：2011-06-02

    Applicant: Daniel Yap ,  Oleg M. Efimov ,  James H. Schaffner

    Inventor： Daniel Yap ,  Oleg M. Efimov ,  James H. Schaffner

    IPC: G02F1/01 ,  G02F1/035 ,  G02F1/065

    CPC classification number: G02F1/011 ,  G02F1/0356 ,  G02F1/065 ,  G02F2201/127 ,  G02F2201/307

    Abstract: An optical-waveguide grating modulator is compatible with high-frequency electrical modulation signals of limited bandwidth. The modulator comprises an optical grating formed in an optical waveguide constructed from electro-optic (EO) material and an electrode that is an RF waveguide or RF transmission line that conducts a traveling-wave electromagnetic (EM) field and that contains a portion of the optical-grating waveguide with a continuous grating. The RF input modulation signal is coupled into an RF EM field that propagates through the RF waveguide or transmission line in a direction that is parallel to the direction the light propagates in the optical-grating waveguide and that EM field overlaps the optical-grating waveguide. The light travels along the optical-grating waveguide preferably at the same velocity as the RF EM field travels along the RF waveguide or transmission line.

    Abstract translation: 光波导光栅调制器与有限带宽的高频电调制信号兼容。 调制器包括形成在由电光（EO）材料构成的光波导中的光栅，以及作为传导行波电磁（EM）场的RF波导或RF传输线的电极，并且包含一部分 具有连续光栅的光栅波导。 RF输入调制信号被耦合到RF电场中，RF场通过RF波导或传输线在与光栅波导中传播的光的方向平行的方向上传播，并且EM场与光栅波导重叠。 光沿着光栅波导优选以与RF EM场沿着RF波导或传输线行进的速度相同的速度行进。

    Photonic modulator and switch
    15.
    发明授权
    Photonic modulator and switch 有权
    光子调制器和开关

    公开(公告)号：US09329378B2

    公开(公告)日：2016-05-03

    申请号：US14014257

    申请日：2013-08-29

    Applicant: Joshua Noel Hogan

    Inventor： Joshua Noel Hogan

    IPC: G02B26/00 ,  G02B26/08 ,  H01S3/11 ,  G02B5/18 ,  G02B27/28 ,  G02B27/42 ,  H01S3/105 ,  G02F1/01 ,  H01S3/08 ,  H01S3/10

    CPC classification number: G02B26/00 ,  G02B5/1828 ,  G02B26/0808 ,  G02B27/286 ,  G02B27/4261 ,  G02F1/0136 ,  G02F2201/307 ,  G02F2202/16 ,  H01S3/08054 ,  H01S3/10061 ,  H01S3/105 ,  H01S3/1106 ,  H01S3/1109

    Abstract: The invention taught herein provides a method, device and system for modulating or switching electromagnetic radiation by controlling a state of the radiation, such as a polarization state. Radiation is directed at a reflective or transmissive structure, such that the radiation is incident on the structure. The structure includes a property that can be dynamically switched between two configurations, one of which is asymmetric and is configured to modify the polarization characteristic of the radiation. The dynamically configurable structure can be combined with polarization components to achieve modulation. Embodiments suitable for mode-locking a laser and for cavity dumping a mode-locked laser are also disclosed.

    Abstract translation: 本文教导的本发明提供了通过控制诸如偏振状态的辐射的状态来调制或切换电磁辐射的方法，装置和系统。 辐射指向反射或透射结构，使得辐射入射到结构上。 该结构包括可以在两个配置之间动态切换的属性，其中一个配置是不对称的，并且被配置为修改辐射的极化特性。 可动态配置的结构可以与偏振分量组合以实现调制。 还公开了适用于模式锁定激光器和用于腔体倾倒锁模激光器的实施例。

    LIGHT MODULATOR AND EXPOSURE HEAD
    20.
    发明申请
    LIGHT MODULATOR AND EXPOSURE HEAD 有权
    光调制器和曝光头

    公开(公告)号：US20150070676A1

    公开(公告)日：2015-03-12

    申请号：US14478982

    申请日：2014-09-05

    Applicant: DAINIPPON SCREEN MFG. CO., LTD. ,  OSAKA UNIVERSITY

    Inventor： Masahide OKAZAKI ,  Toshiaki Suhara

    IPC: G02F1/29 ,  G03F7/20

    CPC classification number: G02F1/292 ,  G02F2001/311 ,  G02F2201/16 ,  G02F2201/305 ,  G02F2201/307 ,  G03F7/70191

    Abstract: A first electro-optic crystal substrate and a second electro-optic crystal substrate are provided as an electro-optic crystal substrate. The first electro-optic crystal substrate comprises a first periodic polarization reversal structure in which first polarization pairs, in each of which the directions of polarization in response to electric fields are opposite to each other, are arranged in a first period along a first arrangement direction which is orthogonal or inclined with respect to the direction of propagation, and light passes through the first periodic polarization reversal structure. The second electro-optic crystal substrate comprises a second periodic polarization reversal structure in which second polarization pairs, in each of which the directions of polarization in response to electric fields are opposite to each other, are arranged in a second period along a second arrangement direction which is orthogonal or inclined with respect to the direction of propagation, and light outstanding from the first electro-optic crystal substrate passes through the second periodic polarization reversal structure. At least one of a first condition and a second condition is satisfied. The first condition is that the first and the second periods are different from each other and a second condition is that the first arrangement direction and the second arrangement direction are different from each other.

    Abstract translation: 提供第一电光晶体基板和第二电光晶体基板作为电光晶体基板。 第一电光晶体基板包括第一周期性极化反转结构，其中在第一极化对中，其中响应于电场的极化方向彼此相反，在第一周期中沿着第一布置方向 其相对于传播方向正交或倾斜，并且光通过第一周期性极化反转结构。 第二电光晶体基板包括第二周期性极化反转结构，其中响应于电场的极化方向彼此相反的第二极化对在沿着第二布置方向的第二周期中排列 其相对于传播方向正交或倾斜，并且从第一电光晶体衬底突出的光通过第二周期性极化反转结构。 满足第一条件和第二条件中的至少一个。 第一条件是第一和第二周期彼此不同，第二条件是第一布置方向和第二布置方向彼此不同。

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