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    Concentric cylindrical circumferential laser
    1.
    发明授权
    Concentric cylindrical circumferential laser 有权

    公开(公告)号：US11658453B2

    公开(公告)日：2023-05-23

    申请号：US17103470

    申请日：2020-11-24

    Applicant: Ronald LaComb ,  Kevin LaComb

    Inventor： Ronald LaComb ,  Kevin LaComb

    IPC: H01S3/083 ,  H01S3/06 ,  H01S3/067 ,  H01S3/0941 ,  H01S5/40 ,  H01S5/10 ,  H01S5/02255 ,  H01S5/042 ,  H01S5/22 ,  H01S5/12 ,  H01S5/20 ,  H01S5/42 ,  H01S5/185

    CPC classification number: H01S3/083 ,  H01S3/0627 ,  H01S3/0675 ,  H01S3/0941 ,  H01S5/1075 ,  H01S5/4056 ,  H01S5/02255 ,  H01S5/04254 ,  H01S5/04256 ,  H01S5/12 ,  H01S5/185 ,  H01S5/204 ,  H01S5/2219 ,  H01S5/4075 ,  H01S5/42

    Abstract: The present disclosure relates to a three-dimensional cylindrical cavity-type laser system capable of supporting circumferential radial emission. A cylindrical ring waveguide provides optical confinement in the radial and axial dimensions thereby supporting a plurality of radial modes, one of a plurality of axial modes and a plurality of degenerate azimuthal modes. These modes constitute a set of traveling wave modes which propagate around the cylindrical ring waveguide possessing various degrees of optical confinement as quantified by their respective Q-factors. Index tailoring is used to tailor the radial refractive index profile and geometry of the waveguide to support radial modes possessing Q-factors capable of producing efficient radial emission, while gain tailoring is used to define a gain confining region which offsets modal gain factors of the modal constituency to favor a preferred set of modes supporting efficient radial emission out of the total modal constituency supported by the resonator. Under appropriate pump actuation the selected modes produce circumferential laser radiation with the output surface comprising of the entire outer perimeter of the cylindrical ring waveguide. The design is applicable toward both micro-resonators and resonators much larger than the optical wavelength, enabling high output powers and scalability. The circumferential radial laser emission can be concentrated by positioning the cylindrical ring laser inside a three-dimensional conical mirror thereby forming a laser ring of light propagating in the axial dimension away from the surface of the laser, which can be subsequently collimated for focused using conventional optics.

    MANUFACTURABLE MULTI-EMITTER LASER DIODE
    8.
    发明申请
    MANUFACTURABLE MULTI-EMITTER LASER DIODE 有权
    可制造的多发射体激光二极管

    公开(公告)号：US20150229108A1

    公开(公告)日：2015-08-13

    申请号：US14600506

    申请日：2015-01-20

    Applicant: Soraa Laser Diode, Inc.

    Inventor： Dan Steigerwald ,  Melvin McLaurin ,  Eric Goutain ,  Alexander Sztein ,  Po Shan Hsu ,  Paul Rudy ,  James W. Raring

    IPC: H01S5/40 ,  H01S5/026 ,  H01S5/02 ,  H01S5/042 ,  H01S5/343 ,  H01S5/22

    CPC classification number: H01S5/4087 ,  H01S5/005 ,  H01S5/0202 ,  H01S5/0203 ,  H01S5/0215 ,  H01S5/0216 ,  H01S5/0217 ,  H01S5/0218 ,  H01S5/0425 ,  H01S5/22 ,  H01S5/34333 ,  H01S5/4012 ,  H01S5/4031 ,  H01S5/4056 ,  H01S5/4093

    Abstract: A method for manufacturing a multi-emitter laser diode device includes providing a substrate having a surface region and forming epitaxial material overlying the surface region, the epitaxial material comprising an n-type cladding region, an active region comprising at least one active layer overlying the n-type cladding region, and a p-type cladding region overlying the active layer region. The epitaxial material is patterned to form a plurality of dice, each of the dice corresponding to at least one laser device, characterized by a first pitch between a pair of dice, the first pitch being less than a design width. Each of the plurality of dice are transferred to a carrier wafer such that each pair of dice is configured with a second pitch between each pair of dice, the second pitch being larger than the first pitch.

    Abstract translation: 一种用于制造多发射体激光二极管器件的方法，包括提供具有表面区域并形成覆盖在表面区域上的外延材料的衬底，所述外延材料包括n型覆层区域，活性区域包括至少一层有源层， n型包层区域和覆盖有源层区域的p型覆层区域。 外延材料被图案化以形成多个骰子，每个骰子对应于至少一个激光装置，其特征在于一对骰子之间的第一间距，第一间距小于设计宽度。 将多个骰子中的每一个转移到载体晶片，使得每对骰子在每对骰子之间配置有第二间距，第二间距大于第一间距。

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