公开(公告)号：US20110315901A1

公开(公告)日：2011-12-29

申请号：US12672578

申请日：2008-12-10

申请人： Keiichi Edamatsu ,  Ryosuke Shimizu ,  Shigehiro Nagano

发明人： Keiichi Edamatsu ,  Ryosuke Shimizu ,  Shigehiro Nagano

IPC分类号： G02F1/39

CPC分类号： G02F1/39 ,  B82Y10/00 ,  G06N99/002 ,  H04B10/70 ,  H04L9/0858

摘要： A non-degenerate polarization-entangled photon pair generation device (1) that efficiently and easily generates non-degenerate polarization-entangled photon pairs includes: a quantum-entangled photon pair generator (2) including a single crystal in which periodically poled structures (3a, 3b) having different periods are formed; and a light radiating unit (4) for entering light into the quantum-entangled photon pair generator (2) such that the light passes through the periodically poled structure (3a) and then through the periodically poled structure (3b). A period of the periodically poled structure (3a) is different from a period of the periodically poled structure (3b) such that a parabola indicative of a relation between an emission angle and a wavelength of a polarized photon emitted based on light incident on the periodically poled structure (3a) comes into contact with a parabola indicative of a relation between an emission angle and a wavelength of polarized photon emitted based on light incident on the periodically poled structure (3b), within an allowable range under a phase matching condition.

摘要翻译： 一种非简并极化纠缠光子对产生装置（1），其有效且容易地产生非简并极化纠缠光子对包括：量子纠缠光子对发生器（2），其包括单晶体，其中周期性极化结构（3a ，3b）形成; 以及用于将光进入量子纠缠光子对发生器（2）的光辐射单元（4），使得光通过周期性极化结构（3a）然后穿过周期性极化结构（3b）。 周期性极化结构（3a）的周期与周期性极化结构（3b）的周期不同，使得表示基于周期性地发生的光发射的偏振光子的发射角和波长之间的关系的抛物线 极化结构（3a）在相位匹配条件的允许范围内，与基于入射在周期性极化结构（3b）上的光发射的偏振光子的发射角和波长之间的关系的抛物线接触。

公开(公告)号：US08173982B2

公开(公告)日：2012-05-08

申请号：US12672578

申请日：2008-12-10

申请人： Keiichi Edamatsu ,  Ryosuke Shimizu ,  Shigehiro Nagano

发明人： Keiichi Edamatsu ,  Ryosuke Shimizu ,  Shigehiro Nagano

IPC分类号： G02F1/35 ,  G02F1/39 ,  G01N21/63

CPC分类号： G02F1/39 ,  B82Y10/00 ,  G06N99/002 ,  H04B10/70 ,  H04L9/0858

摘要： A non-degenerate polarization-entangled photon pair generation device (1) that efficiently and easily generates non-degenerate polarization-entangled photon pairs includes: a quantum-entangled photon pair generator (2) including a single crystal in which periodically poled structures (3a, 3b) having different periods are formed; and a light radiating unit (4) for entering light into the quantum-entangled photon pair generator (2) such that the light passes through the periodically poled structure (3a) and then through the periodically poled structure (3b). A period of the periodically poled structure (3a) is different from a period of the periodically poled structure (3b) such that a parabola indicative of a relation between an emission angle and a wavelength of a polarized photon emitted based on light incident on the periodically poled structure (3a) comes into contact with a parabola indicative of a relation between an emission angle and a wavelength of polarized photon emitted based on light incident on the periodically poled structure (3b), within an allowable range under a phase matching condition.

摘要翻译： 一种非简并极化纠缠光子对产生装置（1），其有效且容易地产生非简并极化纠缠光子对包括：量子纠缠光子对发生器（2），其包括单晶体，其中周期性极化结构（3a ，3b）形成; 以及用于将光进入量子纠缠光子对发生器（2）的光辐射单元（4），使得光通过周期性极化结构（3a）然后穿过周期性极化结构（3b）。 周期性极化结构（3a）的周期与周期性极化结构（3b）的周期不同，使得表示基于周期性地发生的光发射的偏振光子的发射角和波长之间的关系的抛物线 极化结构（3a）在相位匹配条件的允许范围内，与基于入射在周期性极化结构（3b）上的光发射的偏振光子的发射角和波长之间的关系的抛物线接触。

公开(公告)号：US08854737B2

公开(公告)日：2014-10-07

申请号：US13601329

申请日：2012-08-31

申请人： Shigehiro Nagano ,  Motoki Kakui

发明人： Shigehiro Nagano ,  Motoki Kakui

IPC分类号： G02B27/30 ,  B23K26/06

CPC分类号： G02B27/30 ,  B23K26/0648 ,  B23K26/066 ,  B23K26/0665

摘要： The present invention relates to a laser light source and others for decreasing wavelength-by-wavelength differences of focal positions of focused components in collimating and then focusing polychromatic light with a wide spectrum width. The laser light source includes a collimator device, in which relative positions of emergence of a laser beam emitted from a polychromatic light source and a collimating lens composed of an achromatic lens can be adjusted at a 10 μm level or less.

摘要翻译： 激光光源等技术领域本发明涉及激光光源等，用于在准直和聚焦具有宽光谱宽度的多色光的同时降低聚焦成分的焦点位置的波长的波长差异。 激光光源包括准直器装置，其中从多色光源发射的激光束的出现的相对位置和由消色差透镜构成的准直透镜的相对位置可以调节到10μm以下。

公开(公告)号：US20120255935A1

公开(公告)日：2012-10-11

申请号：US13369076

申请日：2012-02-08

申请人： Motoki KAKUI ,  Hiroshi Kohda ,  Yasuomi Kaneuchi ,  Shinobu Tamaoki ,  Shigehiro Nagano ,  Yoshiyuki Uno ,  Yasuhiro Okamoto ,  Kenta Takahashi

发明人： Motoki KAKUI ,  Hiroshi Kohda ,  Yasuomi Kaneuchi ,  Shinobu Tamaoki ,  Shigehiro Nagano ,  Yoshiyuki Uno ,  Yasuhiro Okamoto ,  Kenta Takahashi

IPC分类号： B23K26/00

CPC分类号： B23K26/40 ,  B23K26/0006 ,  B23K26/0617 ,  B23K26/0869 ,  B23K26/10 ,  B23K26/36 ,  B23K26/361 ,  B23K26/364 ,  B23K26/38 ,  B23K26/53 ,  B23K26/57 ,  B23K2103/50 ,  B23K2103/56 ,  H01L21/302

摘要： There is obtained a laser processing method by which an excellent shape of a cut surface can be achieved and an increase in cost can be suppressed. A laser processing method includes the steps of: preparing a material to be processed; and forming a modified area in the material to be processed, by irradiating the material to be processed with laser beam. In the aforementioned step, pulsed laser beam having a continuous spectrum is focused with a lens, thereby forming a focusing line constituted by a plurality of focuses that are obtained by predetermined bands forming the continuous spectrum of the laser beam, and the material to be processed is irradiated with the laser beam such that at least a part of the focusing line is located on a surface of the material to be processed, thereby forming the modified area on an axis of the focusing line.

摘要翻译： 获得能够实现切割面的优良形状并且可以抑制成本增加的激光加工方法。 激光加工方法包括以下步骤：准备待加工材料; 并且通过用激光束照射被处理材料，在被处理材料中形成改质区域。 在上述步骤中，具有连续光谱的脉冲激光束与透镜聚焦，从而形成由通过形成激光束的连续光谱的预定带获得的多个聚焦构成的聚焦线，以及待处理的材料 用激光束照射使得聚焦线的至少一部分位于待处理材料的表面上，从而在聚焦线的轴上形成改质区域。

公开(公告)号：US08933367B2

公开(公告)日：2015-01-13

申请号：US13369076

申请日：2012-02-08

申请人： Motoki Kakui ,  Hiroshi Kohda ,  Yasuomi Kaneuchi ,  Shinobu Tamaoki ,  Shigehiro Nagano ,  Yoshiyuki Uno ,  Yasuhiro Okamoto ,  Kenta Takahashi

发明人： Motoki Kakui ,  Hiroshi Kohda ,  Yasuomi Kaneuchi ,  Shinobu Tamaoki ,  Shigehiro Nagano ,  Yoshiyuki Uno ,  Yasuhiro Okamoto ,  Kenta Takahashi

IPC分类号： B23K26/36 ,  B23K26/00 ,  B23K26/08 ,  B23K26/10 ,  B23K26/38 ,  B23K26/40 ,  H01L21/302

CPC分类号： B23K26/40 ,  B23K26/0006 ,  B23K26/0617 ,  B23K26/0869 ,  B23K26/10 ,  B23K26/36 ,  B23K26/361 ,  B23K26/364 ,  B23K26/38 ,  B23K26/53 ,  B23K26/57 ,  B23K2103/50 ,  B23K2103/56 ,  H01L21/302

摘要： There is obtained a laser processing method by which an excellent shape of a cut surface can be achieved and an increase in cost can be suppressed. A laser processing method includes the steps of: preparing a material to be processed; and forming a modified area in the material to be processed, by irradiating the material to be processed with laser beam. In the aforementioned step, pulsed laser beam having a continuous spectrum is focused with a lens, thereby forming a focusing line constituted by a plurality of focuses that are obtained by predetermined bands forming the continuous spectrum of the laser beam, and the material to be processed is irradiated with the laser beam such that at least a part of the focusing line is located on a surface of the material to be processed, thereby forming the modified area on an axis of the focusing line.

摘要翻译： 获得能够实现切割面的优良形状并且可以抑制成本增加的激光加工方法。 激光加工方法包括以下步骤：准备待加工材料; 并且通过用激光束照射被处理材料，在被处理材料中形成改质区域。 在上述步骤中，具有连续光谱的脉冲激光束与透镜聚焦，从而形成由通过形成激光束的连续光谱的预定带获得的多个聚焦构成的聚焦线，以及待处理的材料 用激光束照射使得聚焦线的至少一部分位于待处理材料的表面上，从而在聚焦线的轴上形成改质区域。